Performance predictions for spaceborne, long-lifetime helium dewars containing large-aperture telescopes

Details Performance predictions for spaceborne, long-lifetime helium dewars containing large-aperture telescopes Performance predictions for spaceborne, long-lifetime helium dewars containing large-aperture telescopes

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1340..260h&link_type=abstract

IN: Cryogenic optical systems and instruments IV; Proceedings of the Meeting, San Diego, CA, July 10-12, 1990 (A92-22851 08-31).

Computer Science

Performance

Cryogenic Fluid Storage, Infrared Telescopes, Orbital Lifetime, Performance Prediction, Spaceborne Telescopes, Cosmic Background Explorer Satellite, Liquid Helium

Scientific paper

The evolution of design approaches for high-performance superfluid helium dewars containing large-aperture telescopes are discussed. Particular attention is given to thermal-math modeling for the IRAS and the Cosmic Background Explorer (COBE) dewars. Correlation of the recent COBE flight data with the dewar thermal-math model is presented, and apparent predictive deficiencies of the model are discussed.

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