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See detailComportement des matériaux métalliques utilisés dans les systèmes énergétiques
Lecomte-Beckers, Jacqueline ULg

Learning material (1996)

Matériaux métalliques - mécanismes de déformation, modes de durcissement. Liaison entre microstructure et propriétés, schématisation des comportements réels. - Matériaux pour turbine à vapeur (aciers ... [more ▼]

Matériaux métalliques - mécanismes de déformation, modes de durcissement. Liaison entre microstructure et propriétés, schématisation des comportements réels. - Matériaux pour turbine à vapeur (aciers faiblement alliés - aciers 9-12% Cr - aciers fortement alliés). - Matériaux pour systèmes énergétique avancé (alliages ODS). Matériaux pour turbines à gaz (superalliages - intermétalliques - Titane - solidification dirigée - monocristal). - Evaluation des défauts en service. - Prédiction de la durée de vie. - Corrosion et revêtements (TBC). - Endommagement : rupture brutale, fluage et fatigue, corrosion sous tension. - Visite d'une installation. [less ▲]

Detailed reference viewed: 41 (2 ULg)
Peer Reviewed
See detailComportement des porcs engraissés sur litière biomaîtrisée: quantification des comportements d'interaction avec la litière et localisation par rapport aux zones de repos et d'élimination
Vandenheede, Marc ULg; Parent, I.; Desiron, Alain et al

in Proceedings du XXXème Colloque de la SFECA (Société Française d'Etude du Comportement Animal) (1998)

Detailed reference viewed: 50 (4 ULg)
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See detailComportement des raies interdites de l'oxygène dans les comètes. I : Observations
Swings, Polydore ULg

in Annales d'astrophysique (1962), 25

The forbidden lines of [OI] are present in many cometary spectra. Sometimes, the auroral transition λ 5577 is strongest, sometimes the nebular transition λ 6300-λ 6364. The behaviour of [OI] in various ... [more ▼]

The forbidden lines of [OI] are present in many cometary spectra. Sometimes, the auroral transition λ 5577 is strongest, sometimes the nebular transition λ 6300-λ 6364. The behaviour of [OI] in various comets is described. [less ▲]

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See detailComportement des structures soumises au feu
Gernay, Thomas ULg

Learning material (2016)

Les incendies représentent une sollicitation importante pouvant agir sur les bâtiments et autres structures du génie civil. Ce cours vise à donner un aperçu de la problématique du feu vis-à-vis des ... [more ▼]

Les incendies représentent une sollicitation importante pouvant agir sur les bâtiments et autres structures du génie civil. Ce cours vise à donner un aperçu de la problématique du feu vis-à-vis des structures et de la manière dont on peut concevoir ces dernières afin qu’elles assurent la sécurité des biens et des personnes en cas d’incendie. Les thèmes abordés couvriront la description des actions thermiques liées au développement d’un incendie et le comportement thermique et mécanique des matériaux à haute température. Les différents moyens de conception anti feu seront présentés ainsi que les méthodes de calcul pouvant mener à un dimensionnement viable face à cette sollicitation exceptionnelle. Finalement, le cours présentera des développements récents en ingénierie de la sécurité incendie et leur implémentation dans des projets réels de grande envergure. [less ▲]

Detailed reference viewed: 62 (25 ULg)
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See detailLe comportement des tôles courbes comprimées et raidies longitudinalement
Peigneux, Christophe ULg

Master's dissertation (2009)

The current architectural trends show a growing desire to design bridges including curved compressed and longitudinally stiffened plates. Designers are increasingly faced with the problem of designing ... [more ▼]

The current architectural trends show a growing desire to design bridges including curved compressed and longitudinally stiffened plates. Designers are increasingly faced with the problem of designing such plates. There is currently no analytical approach to solve this problem. The solution consists in performing numerical simulations. However, this solution is very costly in both time and resources. The purpose of this work is to propose a simple analytic method for the design of curved longitudinally stiffened compressed plates. This approach consists in adapting the rules of the Eurocode EN 1993, part 1.5 (valid only for plane plates) on the basis of the foundations of the approach applicable to curved plates compressed but not stiffened. The aim is to allow the characterization of the loss in efficiency due to the curvature of the plate in the presence of longitudinal stiffeners. First, we performed a series of numerical simulations using the nonlinear finite element analysis program FINELG. The purpose of these simulations is twofold : on the one hand to analyze and to understand the behaviour of curved longitudinally stiffened plates ; secondly to obtain a representative set of ultimate loads that we can use in the future to validate the proposed methods. Three analytical design approaches were considered, each based on the general principle of replacing the basic plate by an equivalent isotropic plate whose parameters are adjusted accordingly. The three techniques differ in the principle of equivalence used. Two of these solutions have achieved promising results. [less ▲]

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See detailComportement des variétés de froment vis-à-vis de l'hiver 2002-2003
Couvreur, Luc; Herman, Jean-Luc; Vancutsem, Françoise ULg et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2003, September 09)

Detailed reference viewed: 6 (0 ULg)
See detailComportement du maître et participation des élèves
Crahay, Marcel ULg

in Banques Modernes (1989), 1

Detailed reference viewed: 78 (15 ULg)
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See detailLe comportement du phosphore dans les sols wallons
Renneson, Malorie ULg

Conference (2011, May 18)

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See detailComportement élastique des articulations flexibles à col elliptique
Debongnie, Jean-François ULg

Conference (2012, May 04)

We present here amodel for the prediction of the elastic behaviour of elliptic notch hinges, including bending and shear in both planes, stretching and torsion. In a first step, an exact solution is ... [more ▼]

We present here amodel for the prediction of the elastic behaviour of elliptic notch hinges, including bending and shear in both planes, stretching and torsion. In a first step, an exact solution is established in the frame of the beam theory, making use of Sommerfeld's change of variable, which is well known in the lubrication theory. The second step is the deduction of the asymptotic solution for very thin hinges. Finally, and yhis is the most original part of our presentation, a simple corrective factor is deduced numerically, which enables to pass from the asymptotic solution to the exact one with a fair approximation in the practical range of thicknesses. <the simplicity of the obtained model has no equivalent in the literature, which is specially useful at the design stage. [less ▲]

Detailed reference viewed: 46 (11 ULg)
See detailComportement éléctrochimique du C60 et du C70 en milieu aqueux
Richel, Aurore ULg

Master's dissertation (1999)

The electrochemical behavior of C60 and C70 has been investigated either in organic media or in water, using notably platinium ultramicroelectrode as the working electrode. The differences between the ... [more ▼]

The electrochemical behavior of C60 and C70 has been investigated either in organic media or in water, using notably platinium ultramicroelectrode as the working electrode. The differences between the redox potentials of C60 relative to C70 indicate that it is easier to add electrons to C70 and its anions compared to the counterparts of C60. In the second part of the work, the solubilisation of C60 has been achieved using cyclodextrine or triton X-100. The determination of the amount of C60 per micelle was investigated using UV-Visible spectroscopy. [less ▲]

Detailed reference viewed: 58 (7 ULg)
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See detailComportement électrodynamique des descentes sur poste en cas de défaut
Lilien, Jean-Louis ULg; pirotte, pol

in Proceedings of the CIGRE Symposium 22-81 (1981)

Etude par éléments finis d'une descente de ligne vers poste soumise aux effets mécaniques d'un courant de court-circuit.

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See detailComportement hydrologique de deux bassins versants se différenciant par leur couvert végétal et leur épaisseur de tourbe
Mbuyu, N.; Petit, François ULg

in Bulletin de la Société Belge d'Etudes Géographiques = Tijdschrift van de Belgische Vereniging voor Aardrijkskundige Studies (1990)

Detailed reference viewed: 75 (17 ULg)
See detailLe comportement reproducteur chez les coccinelles
Fassotte, Bérénice ULg

Scientific conference (2014, April 28)

Detailed reference viewed: 10 (1 ULg)