A comparison of open and closed multimegawatt space power and weapon systems

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One of the major questions that is being addressed at present by Strategic Defense Initiative's Multimegawatt Space Power Project is whether or not space weapon power systems must be closed, i.e., whether effluents from the systems are tolerable. If they are not tolerable, the major penalty that must be paid to close space systems is increased mass. Open systems remove waste heat by producing effluents, e.g., hot hydrogen gas. Closed systems require radiators, thermal storage masses, effluent storage, or refrigeration to remove waste heat. The mass penalty incurred by addition of these devices is so severe that the option of … continued below

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12 pages

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Gallup, Donald R. & Edenburn, Mike W. January 1, 1987.

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One of the major questions that is being addressed at present by Strategic Defense Initiative's Multimegawatt Space Power Project is whether or not space weapon power systems must be closed, i.e., whether effluents from the systems are tolerable. If they are not tolerable, the major penalty that must be paid to close space systems is increased mass. Open systems remove waste heat by producing effluents, e.g., hot hydrogen gas. Closed systems require radiators, thermal storage masses, effluent storage, or refrigeration to remove waste heat. The mass penalty incurred by addition of these devices is so severe that the option of closing space power systems should be avoided, if at all possible. The mass penalty is even more severe if the weapon system itself must also be closed.

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12 pages

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NTIS, PC A02/MF A01; 1.

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  • 4. symposium on space nuclear power systems, Albuquerque, NM, USA, 12 Jan 1987

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  • Other: DE87012975
  • Report No.: SAND-87-0637C
  • Report No.: CONF-870102-28
  • Grant Number: AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 6304375
  • Archival Resource Key: ark:/67531/metadc1112526

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1987

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  • Feb. 22, 2018, 7:45 p.m.

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  • Jan. 4, 2023, 3:27 p.m.

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Gallup, Donald R. & Edenburn, Mike W. A comparison of open and closed multimegawatt space power and weapon systems, article, January 1, 1987; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1112526/: accessed June 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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