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See detailDesign of the Heliospheric Imager for the STEREO mission
Defise, Jean-Marc ULg; Halain, Jean-Philippe ULg; Mazy, Emmanuel ULg et al

in Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series (2001, December 01)

The Heliospheric Imager (HI) is part of the SECCHI suite of instruments on-board the two STEREO spacecrafts to be launched in 2005. The two HI instruments will provide stereographic image pairs of solar ... [more ▼]

The Heliospheric Imager (HI) is part of the SECCHI suite of instruments on-board the two STEREO spacecrafts to be launched in 2005. The two HI instruments will provide stereographic image pairs of solar coronal plasma and address the observational problem of very faint coronal mass ejections (CME) over a wide field of view (~90 degree(s)) ranging from 13 to 330 R[SUB]0[/SUB]. The key element of the instrument design is to reject the solar disk light, with straylight attenuation of the order of 10[SUP]-13[/SUP] to 10[SUP]-15[/SUP] in the camera systems. This attenuation is accomplished by a specific design of straylight baffling system, and two separate observing cameras with complimentary FOV's cover the wide FOV. A multi-vane diffractive system has been theoretically optimized to achieve the lower requirement (10[SUP]-13[/SUP] for HI-1) and is combined with a secondary baffling system to reach the 10[SUP]-15[/SUP] rejection performance in the second camera system (HI-2). This paper presents the design concept of the HI optics and baffles, and the preparation of verification tests that will demonstrate the instrument straylight performances. The baffle design has been optimized according to accommodation constrains on the spacecraft, and the optics were studied to provide adequate light gathering power and image quality. Straylight has been studied in the complete configuration, including the lens barrels and the focal plane assemblies. A specific testing facility is currently being studied to characterize the effective straylight rejection of the HI baffling. An overview of the developments for those tests is presented. [less ▲]

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See detailChandra/ACIS observation of NGC 346
Nazé, Yaël ULg; Stevens, I. R.; Hartwell, J. et al

in Bulletin of the American Astronomical Society (2001, December 01)

The cluster NGC346 is the largest star formation region in the SMC. It contains a large fraction of the early-type O stars of this galaxy. In the outskirts of this cluster lies HD 5980, a unique system of ... [more ▼]

The cluster NGC346 is the largest star formation region in the SMC. It contains a large fraction of the early-type O stars of this galaxy. In the outskirts of this cluster lies HD 5980, a unique system of massive stars of which one component underwent a LBV-type eruption in 1993. The XMEGA consortium has obtained one deep (100 ks) Chandra exposure of NGC 346. It shows ~70 point sources, of which only half possess an optical counterpart; strong emission from HD 5980; and diffuse emission associated with the cluster and SNR 0057-7226. [less ▲]

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See detailImpact studies and water management with WolfHydro : a new physically based hydrological solver
Archambeau, Pierre ULg; Mouzelard, Thibaut; Erpicum, Sébastien ULg et al

in International Symposium on Environmental Hydraulics (2001, December)

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See detailGlobal analysis of a continuous-time flow whith computes time-optimal switchings
Grognard, F.; Sepulchre, Rodolphe ULg

in Proceedings of the 40th IEEE Conference on Decision and Control (2001, December)

The minimum-time bounded control of linear systems is generically bang-bang and the number of switchings does not exceed the dimension of the system if the eigenvalues of the system matrix are real. This ... [more ▼]

The minimum-time bounded control of linear systems is generically bang-bang and the number of switchings does not exceed the dimension of the system if the eigenvalues of the system matrix are real. This paper proposes a synthesis method for such problems based on dynamical systems that "compute" the optimal sequence of switching times. [less ▲]

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See detailMulticriteria and multiactors interactive tool aiding to sketch the building envelope during the first stages of the architectural design, with objective of cost and energy performances
Hauglustaine, Jean-Marie ULg

in Performance of Exterior Envelopes of Whole Buildings VIII: Integration of Building Envelopes (2001, December)

The present study explores a Multiple Criteria Decision Aid (MCDA) procedure, an aid to help project authors optimise the building envelope during the sketch design, where a significant number of choices ... [more ▼]

The present study explores a Multiple Criteria Decision Aid (MCDA) procedure, an aid to help project authors optimise the building envelope during the sketch design, where a significant number of choices are fixed, having a determining impact on the future building cost and use. The objective of the design method is the respect of building costs – for the building construction and use – and the energy performance improvement. An interactive tool has been developed within multicriteria and multiactors context. In order to improve the architectural response to the client’s and regulation requirements, it gives decision-making aids to: - the project authors: in making up the project architectural forces, in accordance with the actors’ objectives; - the client: in reaching his objectives of costs, building duration, comfort and functionality, while serenely assuming his responsibilities related to his building energy and environment performances. The design tool is organised in two linked modules, any actor may go in any module in any time: - the first one manages parameters describing the project requirements; - the graphic module allows to draw the sketch; it calculates geometric parameter values that it puts back in the first module. Permanently informed on cost and energy performances, the user can any time search for optimal scenario giving best satisfaction or compromise: he has at his disposal at lot of graphs illustrating the performance sensitivity to parameter variation, as well as an optimisation procedure using a genetic algorithm to find the most efficient parameter set. The software is organised to manage new building projects of housings, schools and offices (small to medium size projects). [less ▲]

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See detailDe bijdrage van de organisatiesociologie tot het begrijpen van het functioneren van justitie
Schoenaers, Frédéric ULg

in toekomst van rechtssociologie in het justitiële beleid (2001, December)

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See detailSynthesis of 2-Diethoxyphosphoryl-2-Methyl-5-Phenyl-3,4-Dihydro-2H-Pyrrole-1-Oxide (DEPMPO-Ph): a New Radical Spin-Trap
Olive, Gilles ULg; Le Moigne, François; Mercier, Anne et al

in Symposium Drug Discovery Strategies: from Leads to Drugs (2001, November 16)

The synthesis of a new radical spin trap is presented here: the 2-Diethoxyphosphoryl-2-Methyl-5-Phenyl-3,4-Dihydro-2H-Pyrrole-1-Oxide (DEPMPO-Ph)

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See detailThe influence of gas depth on interfacial convection in a liquid gas bilayer.
Narayanan, Ranga; Theisen, Eric; Johnson, Duane et al

in Bulletin of the American Physical Society, Proceedings of the 54th Annual Meeting of the APS Division of Fluid Dynamics (2001, November 01)

We present a study of the influence of air height on the pattern formation at the onset of interfacial convection in a liquid -gas bilayer. Bilayer convection results from interaction of two immiscible ... [more ▼]

We present a study of the influence of air height on the pattern formation at the onset of interfacial convection in a liquid -gas bilayer. Bilayer convection results from interaction of two immiscible, superposed fluid layers and it is a transport problem that is affected by the ratios of various thermophysical properties and geometries. By using both calculations and experiments, a new convection-coupling mechanism is revealed. When the gas depth is low the convection is dominant in the liquid. It is of the Rayleigh Marangoni type and subcritical convection may be seen for axisymmetric patterns at the onset. For large gas heights the convection in the upper fluid layer simultaneously generates transverse thermal gradients along the fluid-fluid interface immediately causing surface tension gradient and buoyancy driven-convection in the lower fluid. The convection in the gas is of the Rayleigh type and the self-adjoint nature of the mathematical problem is depicted in the experiment wherein no subcritical motion occurs. In both the calculations and the experiment, silicone oil and air were used as the two fluids. As the viscosity of air is quite low compared to the silicone oil, convection in the air has no mechanical influence on the silicone oil and it is this property that is advantageous in isolating the new convection mechanism. The correspondence between theory and experiment is excellent. [less ▲]

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See detailH[SUB]2[/SUB] temperature and self-absorption: analysis of Jovian auroral spectra obtained with the FUSE satellite
Gustin, Jacques ULg; Feldman, P. D.; Gérard, Jean-Claude ULg et al

in Bulletin of the American Astronomical Society (2001, November 01)

High-resolution spectra of the Jovian aurora have been obtained with unprecedented spectral resolution in the 900-1190 Ì· window with the the Far Ultraviolet Spectroscopic Explorer (FUSE), using the 30 ... [more ▼]

High-resolution spectra of the Jovian aurora have been obtained with unprecedented spectral resolution in the 900-1190 Ì· window with the the Far Ultraviolet Spectroscopic Explorer (FUSE), using the 30"x30" LWRS aperture. All observed features belong to the H[SUB]2[/SUB] transitions from the B, C, B', D, B" and D' electronic states to the ground-state. These emissions are excited by inelastic collisions of the primary and secondary auroral electrons with H[SUB]2[/SUB] molecules. The relative intensity distribution of the observed lines depends on the rotational temperature of the emitting layer and self-absorption. Below 1100 Ì· , the transitions leading to the v" = 0, 1 and 2 levels of ground-state are partially or totally absorbed by H[SUB]2[/SUB], giving indications about the vibrational H[SUB]2[/SUB] distribution and overlying column. After a validation with an unabsorbed and a self-absorbed laboratory spectrum obtained in controlled conditions (100K, 300 eV), this study compares the observations and synthetic spectra, generated by a code including the B, C and B', D, B" and D' Rydberg states. The rotational and vibrational H[SUB]2[/SUB] temperatures are determined as well as the overlying H[SUB]2[/SUB] column. The combination of these parameters is used to determine the depth of the auroral energy deposition. This work is based on data obtained for the Guaranteed Time Team by the NASA-CNES-CSA FUSE mission operated by the Johns Hopkins University. French participants are supported by CNES. Financial support to U.S. participants has been provided by NASA contract NAS5-32985. [less ▲]

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See detailBiosystems Engineering: Applying methods from systems theory to biological systems
Kremling, A.; Sauter, T.; Bullinger, Eric ULg et al

in Proc. of the 3rd International Conference on Systems Biology (2001, November)

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See detailAbdomen aigu: aspects chirurgicaux
Hamaide, Annick ULg

in Proceedings du congrès CNVSPA (2001, November)

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See detailClay - leachate interaction: a first insight
Schmitz, R. M.; Dosquet, D.; Illing, Pierre ULg et al

in Proc. KIWIR, 6th Int. Workshop on Key Issues in Waste Isolation Research (2001, November)

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See detailPathologies surrénaliennes
Peeters, Dominique ULg; Remy, Isabelle ULg

in Proceedings du congrès CNVSPA-SAVAB (2001, November)

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See detailGravitational lensing studies with the 4-m International Liquid Mirror Telescope (ILMT) (poster contribution)
Jean, C.; Claeskens, Jean-François ULg; Surdej, Jean ULg

in Brainerd, T. G.; Kochanek, C. S. (Eds.) Proceedings of the Conference "Gravitational lensing: recent progress and future goals" (2001, October 01)

A 4-m International Liquid Mirror Telescope (ILMT) is being built in the north of Chile by an international consortium and will become operational in two years from now. We present here a short ... [more ▼]

A 4-m International Liquid Mirror Telescope (ILMT) is being built in the north of Chile by an international consortium and will become operational in two years from now. We present here a short description of the telescope as well as estimates of the microlensing, macrolensing and weak lensing effects expected from a deep, multicolor imaging survey made with such a telescope. [less ▲]

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See detailCrestar® and PMSG don't affect systemic insulin-like growth factor-I but induce oestrus in postpartum suckling dromedary females.
Hammadi, M.; Khorchani, T.; Moslah, M. et al

in Proceedings of the 4th International Conference on Farm Animal Endocrinology (2001, October)

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See detailTopology optimization with self-weight loading: (un-expected) problems and solutions
Bruyneel, Michaël ULg; Duysinx, Pierre ULg

in Bendsoe, M. P.; Olhoff, Niels; Rassmussen, John (Eds.) Proceedings of the 2nd Max Planck Workshop on Engineering Design Optimization (2001, October)

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See detailBeta-agonist administration followed by dexamethasone treatment differently alters somatotropic and thyroid axis.
Renaville, Robert ULg; Parmentier, Isabelle; Haezebroeck, Valérie et al

in Proceedings of the 4th International Conference on Farm Animal Endocrinology (2001, October)

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See detailSuivi du procédé de séchage thermique de boues d'épuration par microtomographie aux rayons X
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Latifi, A.; Boudrant, J.; Tonde, J. (Eds.) Récents progrès en génie des procédés N°82 Vol.15 2001 : information, modélisation, simulation et optimisation (2001, October)

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See detailRIA method for plasma insulin-like growth factor-binding protein-3 quantification in cattle at various physiological situations.
Renaville, Robert ULg; Parmentier, Isabelle; Fontaine, Sandrine et al

in Proceedings of the 4th International Conference on Farm Animal Endocrinology (2001, October)

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See detailQuantification of bST in milk by electrochemiluminescence: a way for detection of treated cows.
Renaville, Robert ULg; Deaver, D.; Baronheid, Christophe et al

in Proceedings of the 4th International Conference on Farm Animal Endocrinology (2001, October)

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See detailEffects of peripartum dietary supplements on productive/reproductive parameters, and plasma concentration of Insulin-like growth factor (IGF)-I in camels.
Hammadi, M.; Khorchani, T.; Moslah, M. et al

in Proceedings of the International Twin Conference on Reproduction/Production in Camelids. (2001, October)

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See detailThe role of the somatotropic axis in the mammalian metabolism
Renaville, Robert ULg; Parmentier, Isabelle; Haezebroeck, Valérie et al

in Proceedings of the 4th International Conference on Farm Animal Endocrinology (2001, October)

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See detailL'imaginaire de l'objet
Delville, Michel ULg

in Watthee-Delmotte, Myriam (Ed.) Texte, image, Imaginaire (2001, October)

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See detailLe froment d'hiver
Bodson, Bernard ULg; Vancutsem, Françoise ULg; Couvreur, Luc et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2001, September 13)

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See detailEscourgeon et Orge d'hiver fourragers
Herman, Jean-Luc; Couvreur, Luc; Monfort, Bruno et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2001, September 13)

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See detailAperçu de la qualité des froments d'hiver en 2001
Sinnaeve, Geoges; Herman, Jean-Luc; Couvreur, Luc et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2001, September 13)

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See detailMesures agri-environnementales (MAE) en froment d'hiver
Couvreur, Luc; Bodson, Bernard ULg; Vancutsem, Françoise ULg et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2001, September 13)

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See detailSynthesis of Pd/SiO2, Ag/SiO2 and Cu/SiO2 catalysts by sol-gel process : study of metal dispersion and nucleation phenomenon
Lambert, Stéphanie ULg; Ferauche, Fabrice; Heinrichs, Benoît ULg et al

in CD-ROM of full abstracts of the 2nd International Conference on Silica Science and Technology, SILICA 2001 (4 p.) (2001, September 03)

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See detailExperimental identification of a non-linear beam, conditionned reverse path method
Kerschen, Gaëtan ULg; Lenaerts, Vincent; Golinval, Jean-Claude ULg

in International Conference on Structural Systems Identification, Kassel, 2001 (2001, September)

A new spectral approach for identification of multi-degree-of-freedom nonlinear systems, called the conditioned reverse path method, has recently been introduced. The key idea of this method is to ... [more ▼]

A new spectral approach for identification of multi-degree-of-freedom nonlinear systems, called the conditioned reverse path method, has recently been introduced. The key idea of this method is to eliminate the distortions caused by the presence of non-linearities in frequency response functions. Conditioned frequency responses are then computed and yield the underlying linear properties without influence of non-linearities. The non-linear coefficient is estimated in a second step. The aim of the paper is twofold. Firstly, the conditioned reverse path method is described in details together with the spectral conditioning techniques. Secondly, the ability of this technique to identify the behaviour of an experimental cantilever beam with a geometrical non-linearity is tested. [less ▲]

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See detailLoad Shedding Controllers against Voltage Instability: a comparison of designs
Moors, Cedric; Lefebvre, Daniel; Van Cutsem, Thierry ULg

(2001, September)

This paper discusses and compares three types of undervoltage load shedding closed-loop controllers in terms of performances and design computational effort. We first describe the various controllers and ... [more ▼]

This paper discusses and compares three types of undervoltage load shedding closed-loop controllers in terms of performances and design computational effort. We first describe the various controllers and identify the parameters to be optimized. Next, we present an optimization methodology applicable to all three types of controllers. This approach allows to find the controller parameters which optimize an overall performance objectiw. Results are presented on the Hydro-Qukbec system, in which load shedding is presently planned. [less ▲]

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See detailUse of X-ray microtomography to follow the convective heat drying of wastewater sludges
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Proceedings of the 6th World Congress of Chemical Engineering (2001, September)

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See detailOnline Flight Flutter Testing
Dimitriadis, Grigorios ULg; Cooper, Jonathan E

in Link, M. (Ed.) Proceedings of the International Conference on Structural System Identification (2001, September)

A number of different identification methods are considered as candidate approaches to undertake online flight flutter testing. Rather than flying the test aircraft to a new flight condition and then ... [more ▼]

A number of different identification methods are considered as candidate approaches to undertake online flight flutter testing. Rather than flying the test aircraft to a new flight condition and then performing a data analysis at a constant flight condition, it is shown how it is feasible to track changes in frequencies and damping ratios as the flight speed is increased. It is also possible to provide an updated estimate of the predicted flutter speed, giving the flight engineers added confidence in the margin of safety. Both frequency and time domain methods are evaluated on a simulated 3 DOF aeroelastic system. These preliminary results show that such an approach is feasible although further work is required to determine the best testing and analysis approach. [less ▲]

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See detailExperimental Validation of the Constant Level method for Identification of Nonlinear Multi Degree of Freedom Systems
Dimitriadis, Grigorios ULg

in Starr, A. G.; Rao, R. B. K. N. (Eds.) Proceedings of the 14th International Congress on Condition Monitoring and Diagnostic Engineering Management (2001, September)

System identification methods for nonlinear dynamical systems could find uses in many applications such as condition monitoring, finite element model validation and stability determination. The ... [more ▼]

System identification methods for nonlinear dynamical systems could find uses in many applications such as condition monitoring, finite element model validation and stability determination. The effectiveness of existing nonlinear system identification techniques is limited by various factors such as the complexity of the system under investigation and the type of nonlinearities present. In this work, the Constant Level Identification approach, which can identify multi degree-of-freedom systems featuring any type of nonlinear function, including discontinuous functions, is validated experimentally. The method is shown to yield accurate identifications of an experimental dynamical system featuring two types of stiffness nonlinearity. The full equations of motion are accurately extracted, even in the presence of a discontinuous nonlinearity. [less ▲]

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See detailA Test Cryostat for Herschel-PACS Mechanism
Renotte, Etienne ULg; Barzin, Pascal ULg; Guiot, Marc ULg et al

in SCHÜRMANN B. (Ed.) ESA-SP-467 (2001, September)

The PACS Grating Assembly consists of a flat ruled grating of 320x80 mm²; its positioning mechanism; and launch-locking system. The Grating Assembly is part of the PACS Focal Plane Unit (FPU) and is ... [more ▼]

The PACS Grating Assembly consists of a flat ruled grating of 320x80 mm²; its positioning mechanism; and launch-locking system. The Grating Assembly is part of the PACS Focal Plane Unit (FPU) and is operated at liquid helium temperature (4K). It is remote-controlled from the Detector & Mechanism Controller (DEC/MEC), which is located on the Herschel Service Module. The grating shall be capable of accurate positioning (4 arcsec) within a large angular throw (40 arcdeg) and restricted dissipation to the 4K heat sink (< 5 mW). The development of the Grating mechanism controller has urged the need for a cryogenic simulator of the Grating Assembly with regard to the large change in value of mechanical and electrical characteristics between room temperature and liquid helium temperature. The simulator consists of a functional prototype of the Grating Assembly and a dedicated helium cryostat with appropriate interfaces. The test cryostat is a homemade facility (CSL) designed to cool down the prototype (and subsequent models) to liquid helium temperature. The test set-up also provides relevant instrumentation such as cryogenic temperature read-out, electrical feedthroughs toward the payload and optical viewport. [less ▲]

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See detailA Module-Oriented Optimization Tool
Rigo, Philippe ULg

in PRADS’2001, 8th Int. Symposium on Practical Design of Ships and other Floating Structures,vol 1 (2001, September)

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See detailSensitivity Analysis on Ultimate Hull Bending Moment
Rigo, Philippe ULg; Toderan, C.; Yao, T.

in PRADS’2001, 8th Int. Symposium on Practical Design of Ships and other Floating Structures, vol.2 (2001, September)

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See detailUltimate Strength of Longitudinally Stiffened Panels: Multi-Criteria Comparative Analysis
Rigo, Philippe ULg; Pradillon, J. Y.; Quesnel, T. et al

in PRADS’2001, 8th Int. Symposium on Practical Design of Ships and other Floating Structures, vol.2 (2001, September)

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See detailA Time-Scale Decomposition-Based Simulation Tool for Voltage Stability Analysis
Loud, Lester; Rousseaux, Patricia ULg; Lefebvre, Daniel et al

in Proceedings of the IEEE Porto Power Tech Conference (2001, September)

This paper proposes a time domain simulation tool combining Full Time Scale (FTS) simulation in the short-term period following a contingency and Quasi Steady-State (QSS) approximation for the long-term ... [more ▼]

This paper proposes a time domain simulation tool combining Full Time Scale (FTS) simulation in the short-term period following a contingency and Quasi Steady-State (QSS) approximation for the long-term phase. A criterion is devised to automatically switch from FTS to QSS simulation as soon as sufficient damping of short-term dynamics is reached. Various comparisons with FTS simulations have been performed on the Hydro-Qn6bec system. The proposed method is shown to combine accuracy of FTS with computational efficiency of QSS. Sensitivity of simulations to load model and the need for updating the whole model with frequency variations are also discussed. [less ▲]

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See detailIntegration of fuzzy linear optimization and scenario analysis in network flow problems: disaster response perspective
Barbarosoglu, Gulay; Arda, Yasemin ULg

in IEPM 01, International Conference in Industrial Engineering and Production Management, Québec, Canada, 20-23 August 2001 (2001, August 20)

In this paper, we address the problem of transporting vital commodities and emergency personnel during the response stage of a disaster relief operation by integrating fuzzy linear optimization and the ... [more ▼]

In this paper, we address the problem of transporting vital commodities and emergency personnel during the response stage of a disaster relief operation by integrating fuzzy linear optimization and the principles of scenario analysis. We treat this transportation system as a probabilistic multi-commodity multi-modal network flow problem and first develop a fuzzy model that allows the satisfaction of demand requirements through different supply nodes over a fuzzy network. Since the available information in case of disasters is generally vague and imprecise about the values of model parameters, fuzzy linear optimization is employed to deal with this uncertainty and to generate different scenarios depending upon the preferences of the decision maker. Then these scenarios are handled within the framework of the scenario analysis by defining a scenario as a joint realization of the uncertain parameters. Here, scenario analysis method can be considered as a search for a robust solution that guarantees the maximum satisfaction of demands with the minimum transportation cost. [less ▲]

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See detailWeighing nearby stars with GAIA ?
Dib, S.; Surdej, Jean ULg; Claeskens, Jean-François ULg

in Conference proceedings of "European meeting, Census of the Galaxy: Challenges for photometry and spectrometry with GAIA. (2001, August 01)

Microlensing consists in two major effects: (1) variation in the apparent position of the background sources (astrometric component) and (2) flux variations of the background sources (photometric ... [more ▼]

Microlensing consists in two major effects: (1) variation in the apparent position of the background sources (astrometric component) and (2) flux variations of the background sources (photometric component). While the latter has been extensively used in the search for dark objects in the Galactic disk and halo (projects like MACHO (Alcock et al, 1997), EROS (Derue et al, 1999), OGLE (Paczynski et al, 1994)), the first effect has not yet been part of a systematic observational program, simply because the observations of very slight displacements in the positions of background sources requires an astrometric accuracy which current telecopes do not yet provide. We investigate here whether the astrometric accuracy of GAIA could enable such measurements and, as a consequence, enable new, direct and original measurements of the mass of nearby stars. [less ▲]

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See detailCollaborative learning in a virtual campus : allowing future teachers live what their future learners could live about technologies and education
Denis, Brigitte ULg

in 9th European conference EARLI Bridging instruction to learning, University of Friburg - August 28-September 1, 2001 (2001, August)

This paper presents a European project called Socrates LEARN-NETT1 based on a distance collaborative learning realised with the help of a virtual campus. This one offers functions facilitating the ... [more ▼]

This paper presents a European project called Socrates LEARN-NETT1 based on a distance collaborative learning realised with the help of a virtual campus. This one offers functions facilitating the navigation inside the campus, giving access to some information related to the LEARN-NETT community (students, tutors, groupworks, news, etc), regulation and management of collaborative work, communication tools, sharing of resources, … [less ▲]

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See detailX-ray microtomography : a new tool to follow soft material shrinkage during convective drying
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Proceedings of the 2nd World Congress on Industrial Process Tomography, Hannover, Germany, Aug 29-31, 2001 (2001, August)

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See detailPredicting the fatigue notch effect from partial experimental data
Debongnie, Jean-François ULg

in Culley, S.; Duffy, A.; McMahon, C. (Eds.) et al Proceedings of the 13th International Conference on Engineering Design. Design methods for performance and sustainability (2001, August)

This paper is devoted to a new method of fatigue strength assessment, which is based on similarity relations and former results of the author on the gradient method.

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See detailMid-FIR Properties of ELAIS Sources
Marquez, I.; Masegosa, J.; Morel, Thierry ULg et al

in The Promise of the Herschel Space Observatory (2001, July 01)

We present the properties of all the galaxies detected by ISO at 7, 15 and 90 microns in ELAIS northern fields. The spectral energy distribution (SED) of those 20 galaxies with IRAS detections can ... [more ▼]

We present the properties of all the galaxies detected by ISO at 7, 15 and 90 microns in ELAIS northern fields. The spectral energy distribution (SED) of those 20 galaxies with IRAS detections can generally be well fitted by a predominant cirrus component plus a modest starburst contribution. Follow-up spectroscopy has shown that all the objects are emission-line galaxies but without a very intense star formation event. Most of the galaxies analyzed by means of optical R band photometry result to host an important exponential disk component, in good agreement with the SED IR modelling. We note that galaxies with morphological signs of perturbations seem to show slightly higher f[SUB]15[/SUB]/f[SUB]6.7[/SUB] ratios, indicating that star formation could be more important in them. One of the objects is a broad-line, radio-quiet quasar at z=1.099; its spectral energy distribution indicates that it is a hyperluminous infrared galaxy (HLIG), the first HLIG detected in the ELAIS areas. [less ▲]

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See detailSpectroscopic Properties of New IR Galaxies Detected in the European Large Area ISO Survey
Cabrera-Guerra, F.; Perez-Fournon, I.; Gonzalez-Solares, E. A. et al

in The Promise of the Herschel Space Observatory (2001, July 01)

We present preliminary results of multi-object spectroscopy of new mid-, and far-infrared selected galaxies detected in the European Large Area ISO Survey (ELAIS). The data have been obtained with the ... [more ▼]

We present preliminary results of multi-object spectroscopy of new mid-, and far-infrared selected galaxies detected in the European Large Area ISO Survey (ELAIS). The data have been obtained with the fibre spectrographs WYFFOS at the William Herschel Telescope (Observatorio del Roque de los Muchachos, ORM, Canary Islands) and Hydra at the WIYN Telescope (Kitt Peak Observatory, Arizona). The sample includes ISO sources detected at 7, 15 and 90 microns and radio sources from our deep VLA survey in the ELAIS areas. [less ▲]

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See detailDetailed Line-Profile Modeling of B Stars with Chemical Inhomogeneities
Briquet, Maryline ULg; Scuflaire, Richard ULg; Aerts, C. et al

in Radial and Nonradial Pulsations as Probes of Stellar Physics (2001, July)

We report monoperiodic variablitity for the four B-type stars HD 131120, HD 105382, HD 138769 and HD 55522, which we explain by rotational modulation rather than by pulsation. Consequently these variables ... [more ▼]

We report monoperiodic variablitity for the four B-type stars HD 131120, HD 105382, HD 138769 and HD 55522, which we explain by rotational modulation rather than by pulsation. Consequently these variables are removed from the list of candidate slowly pulsating B stars. [less ▲]

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See detailEctopic ureters
Hamaide, Annick ULg

in Proceedings du 1st Surgical Forum ECVS (2001, July)

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See detailAdaptive $\lambda$-Tracking of Nonlinear Systems with Higher Relative Degree Using Reduced-Order High Gain Control
Bullinger, Eric ULg; Findeisen, R.; Allgöwer, F.

in Proc. of the IFAC Nonlinear Control Systems Design, NOLCOS01 (2001, July)

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See detailHolographic camera with BSO applied to microgravity fluid experiment aboard ISS
Georges, Marc ULg; Joannes, Luc; Thizy, Cédric ULg et al

in Nolte, D.; Salamo, G.; Siahmakoun, A. (Eds.) et al Photorefractive Effects, Materials, and Devices (2001, July)

We present the preliminary development steps of a holographic interferometer using a BSO crystal for the monitoring of fluids experiments under microgravity conditions. This set-up could be included in ... [more ▼]

We present the preliminary development steps of a holographic interferometer using a BSO crystal for the monitoring of fluids experiments under microgravity conditions. This set-up could be included in the Fluid Science Laboratory (FSL, a module dedicated to fluid physics experiment onboard the International Space Station-ISS). Some preliminary studies have been carried out. An optimized configuration has been found allowing a fast recording (50 milliseconds) and large number of readouts (>1000) for analysis of events over a long period without reducing the measurement resolution. We present examples of Rayleigh-Benard convection quantitative measurement performed with a laboratory instrument prototype. [less ▲]

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See detailRelation between ectopic ureters and USMI
Hamaide, Annick ULg

in Proceedings du 1st Surgical Forum ECVS (2001, July)

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See detailNon-neoplastic surgical diseases of the vagina and vulva
Hamaide, Annick ULg

in Proceedings du 1st Surgical Forum ECVS (2001, July)

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See detailInteractive Tool Visualising and Optimising Building Envelope Performances during the Architectural Sketch Design
Hauglustaine, Jean-Marie ULg

in Banissi, E.; Khosrowshahi, F.; Sarfaz, M. (Eds.) et al 2001 Information Visualisation IV (2001, July)

The PC software AMCE is proposing building actors (owner, project authors...) a Multiple Criteria Decision Aid (MCDA) procedure to optimise the building envelope about cost and energy performances, during ... [more ▼]

The PC software AMCE is proposing building actors (owner, project authors...) a Multiple Criteria Decision Aid (MCDA) procedure to optimise the building envelope about cost and energy performances, during the sketch design, when most important choices are fixed, those having impact on future building's cost and use. Two main modules are linked, where any actor interactively goes in any time: - the first one manages parameters describing the project requirements; - the graphic pen-based module allows to draw the sketch; it calculates geometric parameter values and puts them back in the first module. Permanently informed on foreseeable performances, the user can any time search for optimal scenario giving best satisfaction (monoactor optimisation) or most preferred compromise (multiactors optimisation): at his disposal, he has at lot of graphs illustrating the performance sensitivity to parameter variations, as well as an optimisation procedure using a genetic algorithm to find the most efficient parameter set. [less ▲]

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See detailEvaluation des dispositifs de formation continue en FOAD
Leclercq, Dieudonné ULg

in Actes de l'Université d'Eté (2001, July)

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See detailCompact photorefractive holographic camera and its applications in interferometry
Georges, Marc ULg; Scauflaire, Véronique; Lemaire, Philippe ULg

in Nolte, D.; Salamo, G.; Siahmakoun, A. (Eds.) et al Photorefractive Effects, Materials, and Devices (2001, July)

A compact holographic interferometer that uses a photorefractive crystal of the sillenite family as holographic recording medium is presented. It was developed to provide high accuracy displacement ... [more ▼]

A compact holographic interferometer that uses a photorefractive crystal of the sillenite family as holographic recording medium is presented. It was developed to provide high accuracy displacement measurements of scattering objects, together with a high degree of flexibility, portability and versatility in function of the application. We briefly discuss the main technical aspects leading to a compact device. We present a couple of recent applications, among which the coefficient of thermal expansion of composite structures is measured, piezosheets calibration and fingerprint detection. [less ▲]

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See detailMultiple exposure holographic interferometry with sillenite crystals applied to vibration measurement
Georges, Marc ULg; Thizy, Cédric ULg; Lemaire, Philippe ULg et al

in Nolte, D.; Salamo, G.; Siahmakoun, A. (Eds.) et al Photorefractive Effects, Materials, and Devices (2001, July)

A holographic camera is presented, which uses a sillenite crystal as dynamic recording medium. The camera operates in a pulse regime and is used to provide vibration analysis of an object. A 4 pulse real ... [more ▼]

A holographic camera is presented, which uses a sillenite crystal as dynamic recording medium. The camera operates in a pulse regime and is used to provide vibration analysis of an object. A 4 pulse real-time holographic technique was implemented to measure the amplitude and phase of the vibration. The implementation of this technique required bringing under control a Q-switched YAG laser. We present the experimental results for a metallic plate driven by a vibrating loud speaker. [less ▲]

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See detailCell turnover in BLV-infected sheep
Debacq, Christophe; Peremans, T.; Kerkhofs, Pierre et al

in Aids Research and Human Retroviruses": 10th International Conference on Human Retrovirology: HTLV and Related Viruses, (2001, June)

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See detailA time-frequency technique for the stability analysis of impulse responses from nonlinear aeroelastic systems
Dimitriadis, Grigorios ULg; Cooper, J. E.

in Proceedings of the 2001 International Forum on Aeroelasticity and Structural Dynamics (2001, June)

A time-frequency method is proposed for the analysis of response time histories from nonlinear aeroelastic systems. The approach is based on a time-varying curve-fit of the Short Time Fourier Transform of ... [more ▼]

A time-frequency method is proposed for the analysis of response time histories from nonlinear aeroelastic systems. The approach is based on a time-varying curve-fit of the Short Time Fourier Transform of the impulse response. It is shown that the method can be used in order to obtain a clear picture of the sub-critical stability of a number of aeroelastic systems with a variety of structural and aerodynamic nonlinearities. Additionally, frequency and amplitude information can be obtained for both the linear and nonlinear signatures of the response signals in the sub and post-critical regions. Finally, it is shown that, given certain types of nonlinear functions, subcritical damping trends can be extrapolated to predict bifurcation airspeeds. [less ▲]

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See detailNumerical Simulation of Lubricated Contact between Solids in Metal Forming Processes using the Arbitrary Lagrangian Eulerian Formulation
Boman, Romain ULg; Ponthot, Jean-Philippe ULg

in Simulation of Material Processing: Theory, Methods and Application: Proceedings of the 7th International Conference NUMIFORM 2001 (2001, June)

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See detailAeroelastic and Structural Design of an All-Moveable Aircraft Fin
Cooper, J. E.; Bureerat, S.; Sensberg, O. et al

in Hönlinger, Heinz (Ed.) Proceedings of the CEAS Conference on Multidisciplinary Aircraft Design and Optimization (2001, June)

The Lagrange Multi-Disciplinary Design Optimisation (MDO) code is used for the preliminary study into design aspects of a generic all-movable aircraft fin. It is shown how the control effectiveness at ... [more ▼]

The Lagrange Multi-Disciplinary Design Optimisation (MDO) code is used for the preliminary study into design aspects of a generic all-movable aircraft fin. It is shown how the control effectiveness at high speeds can be increased through variation of the attachment position and stiffness, whilst still meeting strength and aeroelastic stability constraints. [less ▲]

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See detailRepresenting Periodic Temporal Information with Automata
Wolper, Pierre ULg

in Proc. Eighth International Symposium on Temporal Representation and Reasoning (2001, June)

Motivated by issues in temporal databases and in the verification of infinite-state systems, this talk considers the problem of representing periodic dense time information. Doing so requires handling a ... [more ▼]

Motivated by issues in temporal databases and in the verification of infinite-state systems, this talk considers the problem of representing periodic dense time information. Doing so requires handling a theory that combines discrete and continuous variables, since discrete variables are essential for representing periodicity. An automata-based approach for dealing with such a combined theory is thus introduced. [less ▲]

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See detailEstimating diagonal second order terms in structural approximations with quasi-Cauchy techniques
Duysinx, Pierre ULg; Nguyen, Van Hien; Bruyneel, Michaël ULg et al

in CHENG, Gen Dong (Ed.) Proceedings of the 4th World Congress of Structural and Multidisciplinary Optimization WCSMO4 (2001, June)

This paper reports preliminary results obtained when estimating diagonal second order terms to be used in structural approximations with the quasi-Cauchy updates which was recently proposed by Zhu ... [more ▼]

This paper reports preliminary results obtained when estimating diagonal second order terms to be used in structural approximations with the quasi-Cauchy updates which was recently proposed by Zhu, Nazareth, and Wolkowicz (SIAM J. of Optimization, 9 (4), 1192-1204, 1999). At first, the theory of quasi-Cauchy updates is presented. Main characteristics of the developments that were necessary to use quasi-Cauchy updates in the context of structural optimization are drawn. The available numerical results allow comparing quasi-Cauchy second order term estimations with other estimation procedures. [less ▲]

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See detailThe follow-up of financial value creation indicators to prevent bankruptcies in Belgian SMEs : an empirical multivariate approach
Van Caillie, Didier ULg; Arnould, Sophie ULg

in Babson College Conference (Ed.) Acts of the 2001 Babson College Conference (2001, June)

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See detailComposite structures design for strength and stiffness with respect to ply thickness and/or fibers orientation
Bruyneel, Michaël ULg; Duysinx, Pierre ULg; Fleury, Claude ULg

in CHENG, Gen Dong (Ed.) Proceedings of the 4th World Congress of Structural and Multidisciplinary Optimization WCSMO4 (2001, June)

This paper presents an optimization approach that allows the design of composite structures under stiffness and strength criteria, with fibers orientations and plies thickness taken into account in the ... [more ▼]

This paper presents an optimization approach that allows the design of composite structures under stiffness and strength criteria, with fibers orientations and plies thickness taken into account in the same optimization loop. The approach is based on the sequential convex programming. An industrial application is presented. [less ▲]

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See detailA Framework for Simulation Bases Design of Ship Structures
Rigo, Philippe ULg; Karr, D.; Na, S. S. et al

in Ship Production Symposium’2001, SNAME: Ypsilanti, Michigan ,USA, Paper #9, June 2001 (2001, June)

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See detailLeast Cost Structural Optimization Oriented Preliminary Design
Rigo, Philippe ULg

in Ship Production Symposium’2001, SNAME, Ypsilanti, Michigan, USA, Paper #15, Juin 2001 (2001, June)

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See detailForce Limiting at CSL premises
Grodent, Christophe ULg; Cucchiaro, Antonio ULg; ronchain, philippe

(2001, June)

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See detailSolvent detection in indoor air with a sensor array
Maternova, J.; Romain, Anne-Claude ULg; Nicolas, Jacques ULg

in Proceedings of the 8th conference Eurodeur (2001, June)

Air composition in dwellings and public buildings is studied by means of gas chromatography and a sensor micro array 01D28 (MICROSENS, Swiss). Only benzene and its alkyl-derivatives are quantified. The ... [more ▼]

Air composition in dwellings and public buildings is studied by means of gas chromatography and a sensor micro array 01D28 (MICROSENS, Swiss). Only benzene and its alkyl-derivatives are quantified. The micro array 01D28 is composed of six metal oxide gas sensors (SnO2 doped by Pd) equipped with standard or inter-digited electrodes. Isothermal working mode (500oC for all sensors) is applied. Conductivities after 10 minutes of signal acquisition in the studied air are considered as characterizing its chemical composition. Discriminant Function Analysis (DFA) and different linear regression techniques (Inverse Least Squares, Principal Components Regression and Partial Least Squares) are applied to find a relation between the sensors signals and the indoor air composition as determined by the gas chromatography. The presented results suggest that the monitoring of aromatics substances in the indoor air by means of a micro-array of metal oxide gas sensors is possible. The array distinguishes polluted and non-polluted air and it can even evaluate the concentration of the benzene and the toluene. [less ▲]

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See detailMigrant workers in the Pearl River Delta : Between Discursive Inclusion and Exclusion
Florence, Eric ULg

in Martiniello, Marco; Withol de Wenden, Catherine; Entzinger, Han (Eds.) Migration Between States and Markets (2001, May 17)

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See detailA critical cysteine residue of bovine leukemia virus SU protein interacts with zinc and plays a role in viral infectivity.
GATOT, Jean-Stéphane ULg; Kerkhofs, Pierre; Burny, Arsène et al

in The 2001 meeting on Retroviruses. (2001, May)

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See detailÉtude par microtomographie aux rayons X du retrait associé au séchage convectif d'une boue
Léonard, Angélique ULg; Blacher, Silvia ULg; Crine, Michel ULg

in Boudrant, J.; Pons, M.-N. (Eds.) Récents progrès en génie des procédés N°78 Vol.15 2001 : visualisation, image, modélisation (2001, May)

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See detailTen years of data gathering of radon exhalation in the Belgian "Province of Luxembourg"
Kuske, Martyna; Debbaut, Vincent ULg; Bomboire, A. et al

in Proceedings of the Third eurosymposium on protection against radon (2001, May)

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See detailWind turbines turbulence effects on cable structures in their vicinity
Lilien, Jean-Louis ULg; keutgen, Renaud; raimarckers, Nicolas

in Proceedings of the ISCD 2001 (2001, May)

Actual wind turbines size can be as large as 80 meters diameter (1 MW and over). Behind the wind turbines, mean wind speed is sensibly reduced (approximately 50%) and turbulence severely increased. The ... [more ▼]

Actual wind turbines size can be as large as 80 meters diameter (1 MW and over). Behind the wind turbines, mean wind speed is sensibly reduced (approximately 50%) and turbulence severely increased. The spectral density power of disturbed wind can be assumed similar to classical wind but centred on the rotational speed of the motor. Due to classical speed and shape of wind turbine, corresponding key frequency for disturbed wind is close to one Hz. Any structure in the vicinity of wind turbine can be disturbed by the new wind spectrum created by the turbine, thus existing most of the time for wind speed up to 25 m/s. Cable structure, f.e. overhead lines, have clearly 1 Hz in their first modal shapes. This make them very sensible to buffeting due to the disturbed wind induced by the turbine. Due to continuous excitation, most of the year, fatigue may occur near clamping point and extra damping may be required as well as minimum distance from the wind turbine may be recommended. The anchoring tower (whose first eigenfrequency is generally close to 1 Hz for high voltage lines) will also be affected. This paper will present some simulations of overhead lines disturbances induced by wind turbine in their vicinity. The power spectral density of wind behind the turbine will be deduced from classical spectra of Davenport, but with adaptation due to the rotation of the turbine. Effects on cable will be shown and tentative recommendations of damping as well as clearances from the turbine will be suggested. [less ▲]

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See detailImpact assessment of breeding European kingfisher (Alcedo atthis) on prey fish
Hallet, Catherine; Libois, Roland ULg

in Cowx, Ian (Ed.) Interaction between fish and birds: implications for management (abstracts) (2001, April)

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See detailIncidence des pratiques parentales relatives au langage écrit et oral sur les attitudes et les compétences en lecture chez les enfants de 11 ans : approche longitudinale
Schillings, Patricia ULg

in Actes du XIIe congrès de l'AIFREF, St Sauveur des Monts, Québec, 18-21 avril 2001 (2001, April)

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See detailFace milling and turning simulation with the finite element method
Masset, Luc ULg; Debongnie, Jean-François ULg; Beckers, Pierre ULg

in Habraken, Anne (Ed.) Proceedings of the 4th International ESAFORM Conference on Material Forming (2001, April)

The paper describes a new simulation tool that gives the machined surface error in face milling and turning. The form error component due to the workpiece flexibility is computed using Samcef finite ... [more ▼]

The paper describes a new simulation tool that gives the machined surface error in face milling and turning. The form error component due to the workpiece flexibility is computed using Samcef finite element code. The finite element analyses are very efficient on industrial applications thanks to the superelement method. Results are obtained in a short time which makes possible a wide range of simulations such as finding the best tool trajectory, testing several tools and cutting conditions and choosing the most suited fixture design. [less ▲]

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See detailLe syndic et le conseil de gérance : leur rôle et leurs pouvoirs
Lecocq, Pascale ULg

in Verheyden-Jeanmart, Nicole (Ed.) La copropriété forcée des immeubles et groupes d'immeubles bâtis, cinq ans d'application de la loi du 30 juin 1994 (2001, March 16)

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See detailIntérêt de l'électromyographie de la musculature paravertébrale lombaire
TOMASELLA, Marco ULg

in Abstract book 6° Symposium International de Kinésithérapie. Le patient lombalgique. (2001, March 10)

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See detailNon-isotopic determination of bovine growth hormone levels with a sandwich-immunoassay using detection by electrochemiluminescence (ECL).
Rehfeldt, C.; Deaver, D.; Schneider, F. et al

in Proceedings of the 45th Symposium of the German Society for Endocrinology. (2001, March)

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See detailClosed loop micromachined sensors with higher order SD-Modulators
Kraft, Michael ULg; Redman-White, W; Mokhtari, ME

in Proc. 4rd Conf. on Modeling and Simulation of Microsystems (2001, March)

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See detailApplications du travail musculaire excentrique en pathologies locomotrices
Croisier, Jean-Louis ULg

in Actes du colloque pluridiscipliinaire « Le travail musculaire excentrique » (2001, March)

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See detailComparison of two novel control strategies for a closed loop micromachined tunnelling accelerometer
Gaura; E.; Kraft, Michael ULg

in Proc. 4rd Conf. on Modeling and Simulation of Microsystems (2001, March)

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See detailModification génétique de la levure pour maîtriser la beta-oxydation: exemple de la production de lactone par Yarrowia lipolytica
Waché, Y.; Aguedo, Mario ULg; Marchal, E. et al

in Les outils biologiques dans les procédés et les techniques d'analyse...: conférences et communications scientifiques (2001, March)

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See detailEvaluation isocinétique des patients gonarthrosiques et coxarthrosiques
Henrotin, Yves ULg; Croisier, Jean-Louis ULg; Etienne, L. et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailEvolution du conseil de fumure azotée du froment d’hiver
Bodson, Bernard ULg; Herman, Jean-Luc; Vancutsem, Françoise ULg et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailIsocinétisme et conflit sous-acromio-coracoïdien
Forthomme, Bénédicte ULg; Croisier, Jean-Louis ULg; Huskin, Jean-Pierre ULg et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailExploration isocinétique du patient BPCO
Croisier, Jean-Louis ULg; Georis, P.; Hac, S. et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailEpreuves de repositionnement angulaire
Croisier, Jean-Louis ULg; Henrotin, Yves ULg; Etienne, L. et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailFongicides en froment: 2000, une année très septoriose
Moreau, Jean-Marc; Bodson, Bernard ULg; Meeùs, Patrick et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailFongicides en escourgeon: Aperçu des résultats de la campagne 2000: De la rhynchosporiose aux symptômes "peau de guépard"
Moreau, Jean-Marc; Bodson, Bernard ULg; Meeùs, Patrick et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailL'azote minéral du sol en 2000-2001 sous froment d'hiver
Herman, Jean-Luc; Destain, Jean-Pierre ULg; Goffart, Jean-Pierre et al

in Livre Blanc: Céréales - Gembloux (2001, February)

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See detailExploration isocinétique de la fibromyalgie
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Renard, Cindy ULg et al

in Actes de la 3ème Journée Belge d’Isocinétisme (2001, February)

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See detailÜberblick über die Weiterbildung- und Dchulungsmethoden von Stahlbau.- Verbundbaukonstruktionen sowie EC3, EC4.
Jaspart, Jean-Pierre ULg; Couchman, G.

in Proceedings du Seminaire "Eurocodes im Bauwesen: Status, Lehrprogramme, Hilfsmittel zur Schulung" (2001, January 26)

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See detailDeconvolving Spectra: Near-IR Spectroscopy of the Lens and Source in HE 1104-1805
Courbin, F.; Lidman, C.; Meylan, G. et al

in Brainerd, T. G.; Kochanek, C. S. (Eds.) Gravitational Lensing: Recent Progress and Future Go (2001, January 01)

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See detailThe relevance of HST observations for studies of quasars, gravitational lenses and intervening gas clouds "
Surdej, Jean ULg; Claeskens, Jean-François ULg; Jean, C. et al

in Space Sciences, Vol. II, Part 1: Space Scientific Research in Belgium (2001)

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See detailLes Eaux souterraines
Biron, J. P.; Bolly, P. Y.; Marcoen, Jean Marie ULg et al

in Bassin hydrographique de la Molignée. Volume 1. Facteurs abiotiques (2001)

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See detailSurveys with the 4-m International Liquid Mirror Telescope Project (ILMT) (poster)
Poels, Joël ULg; Moreau, O.; Manfroid, Jean ULg et al

in Banday, A. J.; Zaroubi, S.; Bartelmann, M. (Eds.) Astronomical Data Analysis Software and Systems X (2001)

The working principle of liquid mirror telescopes (LMTs) is first reviewed along with their advantages and disadvantages over classical telescopes. For several reasons (access to regions near the south ... [more ▼]

The working principle of liquid mirror telescopes (LMTs) is first reviewed along with their advantages and disadvantages over classical telescopes. For several reasons (access to regions near the south galactic pole, galactic center, good image quality, etc.), an excellent site for such an LMT is the Atacama desert. A deep (B~24 mag) LMT survey at latitudes near -22deg -- -29deg will cover ~90 square degrees at high galactic latitude and be especially useful for gravitational lensing studies, for the identification of various classes of interesting extragalactic objects (cf. clusters, supernovae, etc. at high redshift) and for subsequent follow-up observations with 8 m-class telescopes. A short description of the handling of data products is also presented. [less ▲]

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See detailIpNose : Electronic nose for remote bad odour monitoring system in landfill sites.
Perera, A.; Pardo, T.; Sundi, T. et al

in Proceedings of the 8th conference Eurodeur (2001)

Electronic noses are intelligent instruments that are able to classify and quantify different gas/odours. Here we suggest the integration of a small form factor computer inside the electronic nose. This ... [more ▼]

Electronic noses are intelligent instruments that are able to classify and quantify different gas/odours. Here we suggest the integration of a small form factor computer inside the electronic nose. This concept allows us to easily provide remote connectivity, large data storage and complex signal processing. The evolution of this technology will permit distributed sensing with applications to agriculture and environment. Proposed instrument allows incoming connections for remote control of bad odours in landfill sites. Preliminary approach to this application using commercial sensors and mixture model pattern recognition scheme is exposed. [less ▲]

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See detailQuantification of cardiac IGF-1 expression by the real-time taqman PCR : development and first application in a canine model of congestive heart failure
Motte, S.; Van Beneden, R.; Mottet, J. et al

in 11th ESVIM Meeting - Dublin - Irlande - 2001 (2001)

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See detailImprovement of a syllabus on environmental protection designed for mineral and mining engineering students in Bulgaria
Gaydardzhiev, Stoyan ULg

in 6th International auDes Conference Bridging Minds & Markets, Venice, 5 – 7 April 2001 (2001)

The University of Mining and Geology in Sofia as a unique academic Institution engaged in training graduates to work in the field of mining and geological prospecting faces the need for modification and ... [more ▼]

The University of Mining and Geology in Sofia as a unique academic Institution engaged in training graduates to work in the field of mining and geological prospecting faces the need for modification and updating its curriculum, for being able to meet the challenges of European educational standards like Institution accreditation, ECTS, etc. In a smaller scale, this is particularly relevant to the Department of Mineral Processing which is one of the largest Departments (in the University) and is engaged in training students for the entire raw materials (non-petroleum) industry: ores, coal and industrial minerals. Despite the drastic reduction in great number undergraduate specialisations, the specialization “Mineral Processing” remains in the Governmental Register released by the Ministry of Education, Science and Technologies. Therefore in this new situation, there is a necessity to verify and to parallel the existing syllabus to the one practiced in a similar Departments in the EU countries and more precisely to develop undergraduate and graduate courses to include risk and hazard assessment, environmental protection and related matters. [less ▲]

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