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  • 1
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    Graphite-Fiber Heat Radiators (1995)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Heat radiators of proposed type feature thermally conductive fibers protruding from metallic surfaces to provide increased heat-dissipation surface areas. Free of leaks and more reliable than radiators incorporating heat pipes. Also lightweight and relatively inexpensive. Radial graphite fibers carry heat away from spherical shell and radiate heat into space. Radiators prove useful on Earth in special industrial and scientific applications involving dissipation of heat in vacuum or in relatively still air.
    Keywords: PHYSICAL SCIENCES
    Type: NPO-19298 , NASA Tech Briefs (ISSN 0145-319X); 19; 12; P. 57
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Manganese Nitride Sorption Joule-Thomson Refrigerator (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Proposed sorption refrigeration system of increased power efficiency combines MnxNy sorption refrigeration stage with systems described in "Regenerative Sorption Refrigerator" (NPO-17630). Measured pressure-vs-composition isotherms for reversible chemisorption of N2 in MnxNy suggest feasibility to incorporate MnxNy chemisorption stage in Joule-Thomson cryogenic system. Discovery represents first known reversible nitrogen chemisorption compression system. Has potential in nitrogen-isotope separation, nitrogen purification, or contamination-free nitrogen compression.
    Keywords: PHYSICAL SCIENCES
    Type: NPO-17811 , NASA Tech Briefs (ISSN 0145-319X); 16; 7; P. 58
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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