Thermal design concept for a high resolution UV spectrometer

Details Thermal design concept for a high resolution UV spectrometer Thermal design concept for a high resolution UV spectrometer

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979thph.confs....c&link_type=abstract

American Institute of Aeronautics and Astronautics, Thermophysics Conference, 14th, Orlando, Fla., June 4-6, 1979, 8 p.

Physics

High Resolution, Solar Maximum Mission, Spacecraft Instruments, Ultraviolet Spectrometers, Absorbers (Materials), Design Analysis, Heat Pipes, Spaceborne Telescopes, Thermodynamic Properties

Scientific paper

The thermal design concept described has been developed for the High Resolution UV Spectrometer/Polarimeter to be flown on the Solar Maximum Mission. Based on experience gained from a similar Orbiting Solar Observatory mission payload, it has been recognized that initial protection of the optical elements, contamination control, reduction of scattered light, tight bulk temperature, and gradient constraints are key elements that must be accommodated in any thermal control concept for this class of instrument. Salient features of the design include: (1) a telescope door providing contamination protection of an aplanatic Gregorian telescope; (2) a rastering system for the secondary mirror; (3) a unique solar heat absorbing device; (4) heat pipes and special radiators; (5) heaters for active temperature control and optics contamination protection; and (6) high precision platinum resistance thermometers. Viability of the design concept has been established by extensive thermal analysis and some subsystem testing. A summary of analytical and test results is included.

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