Applications of power beaming from space-based nuclear power stations. [Laser beaming to airplanes; microwave beaming to ground]

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Power beaming from space-based reactor systems is examined using an advanced compact, lightweight Rotating Bed Reactor (RBR). Closed Brayton power conversion efficiencies in the range of 30 to 40% can be achieved with turbines, with reactor exit temperatures on the order of 2000/sup 0/K and a liquid drop radiator to reject heat at temperatures of approx. 500/sup 0/K. Higher RBR coolant temperatures (up to approx. 3000/sup 0/K) are possible, but gains in power conversion efficiency are minimal, due to lower expander efficiency (e.g., a MHD generator). Two power beaming applications are examined - laser beaming to airplanes and microwave beaming ... continued below

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Pages: 8

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Powell, J.R.; Botts, T.E. & Hertzberg, A. January 1, 1981.

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Power beaming from space-based reactor systems is examined using an advanced compact, lightweight Rotating Bed Reactor (RBR). Closed Brayton power conversion efficiencies in the range of 30 to 40% can be achieved with turbines, with reactor exit temperatures on the order of 2000/sup 0/K and a liquid drop radiator to reject heat at temperatures of approx. 500/sup 0/K. Higher RBR coolant temperatures (up to approx. 3000/sup 0/K) are possible, but gains in power conversion efficiency are minimal, due to lower expander efficiency (e.g., a MHD generator). Two power beaming applications are examined - laser beaming to airplanes and microwave beaming to fixed ground receivers. Use of the RBR greatly reduces system weight and cost, as compared to solar power sources. Payback times are a few years at present prices for power and airplane fuel.

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Pages: 8

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NTIS, PC A02/MF A01.

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  • IECEC conference, Atlanta, GA, USA, 9 Aug 1981

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  • Other: DE81025078
  • Report No.: BNL-29582
  • Report No.: CONF-810812-27
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 6348237
  • Archival Resource Key: ark:/67531/metadc1205708

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 17, 2018, 5:05 p.m.

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Powell, J.R.; Botts, T.E. & Hertzberg, A. Applications of power beaming from space-based nuclear power stations. [Laser beaming to airplanes; microwave beaming to ground], article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1205708/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.