Design validation of a cryogenic joint for the spatial framework of Herschel

Details Design validation of a cryogenic joint for the spatial framework of Herschel Design validation of a cryogenic joint for the spatial framework of Herschel

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.524..303p&link_type=abstract

In: Proceedings of the 10th European Space Mechanisms and Tribology Symposium, 24-26 September 2003, San Sebastián, Spain. Compi

Computer Science

Herschel Space Observatory

Scientific paper

The Herschel space observatory will capture the far infrared universe through three instruments: a camera (PACS), a high resolution spectrometer (HIFI) and a photometer (SPIRE) which sit on an optical bench and are cooled to less than three degrees above absolute zero. The cooling of these instruments is achieved by placing the bench inside a large cryostat containing a superfluid helium tank at 1.6K and a circulation loop to deliver the helium to the bench. Both the bench and the tank are supported by a spatial framework consisting of two aluminium frames which straddle the helium tank.

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