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  • 1
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    Unknown
    Space vehicle thermal rejection system (1989)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: A space vehicle thermal heat rejection system 10 utilizing separate optimized heat pipe components for the functions of heat acquisition, heat transport, and heat rejection. A honeycomb panel heat pipe evaporator section 20 performs the function of heat acquisition, and forms a closed thermodynamic system with a dual channel heat pipe transport section 30, which performs the function of heat transport. A plurality of truss or channel core heat pipe rejection fins 41 form the condenser section 40, which performs the function of heat rejection. A common wall 32 separates the condenser section 40 from the transport section 30. Using the above heat pipe components and having efficient interfacing between them results in high performance factors for the overall system.
    Keywords: Fluid Mechanics and Thermodynamics
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Cooling Shelf For Electronic Equipment (1989)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Heat-pipe action cools and maintains electronics at nearly constant temperature. System designed to control temperatures of spacecraft shelves or baseplates by combining honeycomb sandwich panel with reservoir of noncondensable gas and processing resulting device as variable-conductance heat pipe. Device provides flat surface for mounting heat-dissipating electronics that is effectively cooled and maintained at nearly constant temperature. Potentially useful in freeze drying, refrigeration, and air conditioning.
    Keywords: MECHANICS
    Type: LAR-13956 , NASA Tech Briefs (ISSN 0145-319X); 13; 11; P. 59
    Format: text
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    NASA TECHNICAL REPORTS
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