Inherently safe nuclear-driven internal combustion engines

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Description

A family of nuclear driven engines is described in which nuclear energy released by fissioning of uranium or plutonium in a prompt critical assembly is used to heat a working gas. Engine performance is modeled using a code that calculates hydrodynamics, fission energy production, and neutron transport self-consistently. Results are given demonstrating a large negative temperature coefficient that produces self-shutoff of energy production. Reduced fission product inventory and the self-shutoff provide inherent nuclear safety. It is expected that nuclear engine reactor units could be scaled from 100 MW on up. 7 refs., 3 figs.

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Pages: (5 p)

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Alesso, P.; Chow, Tze-Show; Condit, R.; Heidrich, J.; Pettibone, J. & Streit, R. June 14, 1991.

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Description

A family of nuclear driven engines is described in which nuclear energy released by fissioning of uranium or plutonium in a prompt critical assembly is used to heat a working gas. Engine performance is modeled using a code that calculates hydrodynamics, fission energy production, and neutron transport self-consistently. Results are given demonstrating a large negative temperature coefficient that produces self-shutoff of energy production. Reduced fission product inventory and the self-shutoff provide inherent nuclear safety. It is expected that nuclear engine reactor units could be scaled from 100 MW on up. 7 refs., 3 figs.

Physical Description

Pages: (5 p)

Notes

OSTI; NTIS; INIS; GPO Dep.

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  • 6. international conference on emerging nuclear energy systems, Monterey, CA (United States), 16-21 Jun 1991

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  • Other: DE91016568
  • Report No.: UCRL-JC-107417
  • Report No.: CONF-910626--5
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5423174
  • Archival Resource Key: ark:/67531/metadc1067388

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Office of Scientific & Technical Information Technical Reports

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  • June 14, 1991

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  • Feb. 4, 2018, 10:51 a.m.

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  • April 26, 2018, 12:52 p.m.

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Alesso, P.; Chow, Tze-Show; Condit, R.; Heidrich, J.; Pettibone, J. & Streit, R. Inherently safe nuclear-driven internal combustion engines, article, June 14, 1991; [Livermore,] California. (digital.library.unt.edu/ark:/67531/metadc1067388/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.