Space Telescope: Solar panel assembly thermal test analysis

Details Space Telescope: Solar panel assembly thermal test analysis Space Telescope: Solar panel assembly thermal test analysis

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pvgs.rept..193j&link_type=abstract

In its Photovoltaic Generators in Space p 193-200 (SEE N83-14694 05-44)

Mathematics

Hubble Space Telescope, Panels, Solar Arrays, Thermal Vacuum Tests, Mathematical Models, Recording Instruments, Semiconductor Diodes, Space Environment Simulation, Temperature Measuring Instruments

Scientific paper

The Space Telescope solar panel assembly (ST-SPA) was tested in a thermal vacuum, for formal qualification and design verification of the SPA including the shunt diodes. The ST-SPA was instrumented with 60 thermocouples and 2 thermistors. In parallel to the thermal sensor readings, thermograms with an infrared camera were taken. Thermograms are reproduced, and updates of the thermal mathematical models are given. The use of a calibrated solar flux allowed an update of the thermo-optical properties for the SPA. Optical properties are: alpha S = 0.53, Sigma H = 0.76 for the rear side; and alpha S = 0.86, Sigma H = 0.78 (unloaded) for the front. Solar cell and shunt diode temperature for flight environments are included.

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