Reference : Ultrathin EUV Filters Testing and Characterization under High Flux (13 SC) for Solar Orb...
Scientific congresses and symposiums : Unpublished conference
Engineering, computing & technology : Aerospace & aeronautics engineering
http://hdl.handle.net/2268/103641
Ultrathin EUV Filters Testing and Characterization under High Flux (13 SC) for Solar Orbiter EUI Instrument
English
Jacques, Lionel mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Halain, Jean-Philippe mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Rossi, Laurence mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Thibert, Tanguy mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Hellin, Marie-Laure mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Jamotton, Pierre mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Mazy, Emmanuel mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Renotte, Etienne mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Fleury-Frenette, Karl mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
Rochus, Pierre mailto [Université de Liège - ULg > > CSL (Centre Spatial de Liège) >]
7-Oct-2011
No
No
International
62nd International Astronautical Congress
from 03-10-2011 to 07-10-2011
International Astronautical Federation
Cape Town
South Africa
[en] Thermal ; EUV filter ; Solar Orbiter
[en] The test setup and characterization parameters of ultrathin EUV filters under high solar flux are presented. These 150nm thick aluminium filters are used at the entrance of the Extreme Ultraviolet Imager (EUI) payload, which is developed at the Centre Spatial de Liège for the Solar Orbiter ESA M-class mission. The solar flux that they shall have to withstand will be as high as 13 solar constants when the spacecraft reach its 0.28AU perihelion. A specific design based on additional ribs has therefore been developed to enhance the thermal behaviour and heat evacuation while preserving its optical properties.
It is essential to assess the design performances under the Solar Orbiter high solar flux. Therefore, thermal vacuum test under 13 solar constants will be performed. The filters temperature profiles will be measured during the tests through infrared imaging. A thermal correlation of the test will then be performed to deduce the filters actual thermal properties to be used in the global instrument geometrical and thermal mathematical models.
Centre Spatial de Liège - CSL
http://hdl.handle.net/2268/103641
http://www.iafastro.net/download/congress/IAC-11/DVD/full/IAC-11/C2/8/manuscripts/IAC-11,C2,8,2,x10988.pdf

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