CSL - Focal V
FOCAL 5 (Centre Spatial de Liège)
AMOS has been prime contractor for the design and manufacturing of the IAL Space (now CSL) space test centre equipped with a vacuum optical bench and all its peripheral equipment. This system for optical tests under vacuum of satellite payloads is composed of the following elements :
• Building for 50 persons ;
• Clean room of 27 x 18 x 10 m, class 100 000 ;
• Vacuum vessel of 5 m diameter with an automatic system to open and close the main lids, an optical table made of welded stainless steel boxes, interfaced with a 350 tons concrete seismic bloc ;
• Laminar flow wall, class 100, in the preparation area of the spacecrafts ;
• Thermal system which controls the temperature of 10 fluids. The temperature of these fluids can be set between + 100 and - 170°C with an accuracy of 0,2°C.
The complete system is controlled by processor.
Vacuum vessel :
- Dimensions : length : 6 m + 2 lids of 1,4 m depth ;
- Diameter : 5 m ;
- Materials : blasted stainless steel.
Optical table :
- Dimensions : length : 6,8 m, width : 1,8 m, thickness : 0,35 m ;
- Flatness : 10 µm/m ;
- Stability : 3.10-6 g.
- Rough : rotary : 2 x 250 m3/h ;
- Roots : 1850 and 6200 m3/h ;
- High vacuum : cryogenic : 100 000 l/s ;
- Turbomolecular : 1500 l/s ;
- Interseal : rotary : 60 m3/h.
Thermal system :
- 10 independent supplies with gazeous nitrogen ;
- Range : from + 100 to -170°C ;
- Stability : 0,2°C.
Clean room :
- Class 100 000 ;
- Temperature : 20°C ± 2°C ;
- Humidity : 50 % ± 5% ;
- Laminar flow wall, class 100, of 25 m2.
Customer : Centre Spatial de Liège (CSL), past IAL-SPACE – Belgium
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