Cryo Cooler Induced Micro-Vibration Disturbances to the Hubble Space Telescope

Details Cryo Cooler Induced Micro-Vibration Disturbances to the Hubble Space Telescope Cryo Cooler Induced Micro-Vibration Disturbances to the Hubble Space Telescope

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002stin...0260463j&link_type=abstract

Technical Report, NASA Goddard Space Flight Center Greenbelt, MD United States

Computer Science

Performance

Hubble Space Telescope, Spectrometers, Satellite Instruments, Cooling Systems, Cryogenics, Data Acquisition, Performance Tests

Scientific paper

This paper presents an overview of the Hubble Space Telescope (HST) Near Infrared Camera and Multi-Object Spectrometer (NICMOS) Cryo Cooler (MCC) system, a description of the micro-vibration characterization testing performed, and a discussion of the simulated performance. The NCC is a reverse Brayton cycle system that employs micro turbo-machinery to provide cooling to the NICMOS instrument. Extensive testing was conducted to quantify the expected on-orbit disturbances caused by the micro turbo-machinery and provide input to a flexible-body dynamic simulation to demonstrate compliance with the HST 7 milli-arcsecond root mean square jitter requirement.

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