Cryogenic laser fusion target materials

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Laser fusion target designs exhibit improved performance when the fusion fuel, a deuterium--tritium (DT) mixture, is frozen into a uniform, solid shell. The formation of such a shell requires rapid isothermal cooling of the target to cryogenic temperatures. The cooling rate must be sufficiently fast to prevent significant, gravitationally driven downward flow of the DT as it passes from the gaseous through the liquid state. Because it is not possible to measure the uniformity of a solid DT layer in opaque, multishell targets, we have modeled such targets to calculate the cooling rate and, hence, the expected thickness uniformity of ... continued below

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Pages: 19

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Miller, J.R. & Press, W.J. January 1, 1979.

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Description

Laser fusion target designs exhibit improved performance when the fusion fuel, a deuterium--tritium (DT) mixture, is frozen into a uniform, solid shell. The formation of such a shell requires rapid isothermal cooling of the target to cryogenic temperatures. The cooling rate must be sufficiently fast to prevent significant, gravitationally driven downward flow of the DT as it passes from the gaseous through the liquid state. Because it is not possible to measure the uniformity of a solid DT layer in opaque, multishell targets, we have modeled such targets to calculate the cooling rate and, hence, the expected thickness uniformity of the DT shell. The presented results provide target designers with practical guidelines for the selection of materials and configurations, which will assist in the fabrication of high-quality cryogenic targets.

Physical Description

Pages: 19

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • 1. topical meeting on fusion reactor materials, Miami Beach, FL, USA, 29 Jan 1979

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  • Report No.: LA-UR-79-101
  • Report No.: CONF-790125-1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6498705
  • Archival Resource Key: ark:/67531/metadc1208878

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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.

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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Creation Date

  • January 1, 1979

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

Description Last Updated

  • Oct. 18, 2018, 4:51 p.m.

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Miller, J.R. & Press, W.J. Cryogenic laser fusion target materials, article, January 1, 1979; United States. (digital.library.unt.edu/ark:/67531/metadc1208878/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.