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  • 1
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    Liquid helium management for Gravity Probe-B (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The Gravity Probe-B (GP-B) experiment will be degraded if accelerations at a proof mass become larger than one ten billionth g. This makes necessary the management of the configuration and dynamical behavior of the large amount of liquid helium present in the GP-B spacecraft dewar. Three approaches to the solution of this problem are discussed. It is concluded that the most promising technique involves the use of baffles into which the liquid helium can be forced during a relatively high spacecraft rotation period, and in which the liquid helium will be held by capillary forces during the operational period when the rotation rate is much lower. Some likely baffle configurations are suggested.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TM-82521 , NAS 1.15:82521
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Thermal control coating degradation data from the Pegasus experiment packages. (1967)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Thermal control coating degradation data from aluminum case containing four sensors aboard Pegasus spacecraft
    Keywords: THERMODYNAMICS AND COMBUSTION
    Type: AIAA PAPER 67-331 , ; - QUANTUM ELECTRONIC|THERMOPHYSICS SPECIALIST CONFERENCE; Apr 17, 1967 - Apr 20, 1967; NEW ORLEANS, LA
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Thermal control coating degradation data from the Pegasus experiment packages. (1967)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Thermal control coating degradation data from aluminum case containing four sensors aboard Pegasus spacecraft
    Keywords: THERMODYNAMICS AND COMBUSTION
    Type: AIAA PAPER 67-331
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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