NIF target fill, transport and insertion cryostat

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Description

A cryostat to support the fielding of a cryogenic target within the NIF is described. The present design is predicated upon fuel layer symmetry being achieved with the {beta} layering process and modifications needed for other fuel symmetrization processes are discussed. These include the vertically differentially heated capsule with a uniform liquid layer stabilized by a surface tension gradient, foam supported liquid layers and solid D{sub 2} or HD layers symmetrized by bulk irradiation from a laser source. The cold sinks to be incorporated in these techniques could, in principal, be cooled with the high pressure helium envisioned for the ... continued below

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11 p.

Creation Information

Warren, R. September 20, 1994.

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Description

A cryostat to support the fielding of a cryogenic target within the NIF is described. The present design is predicated upon fuel layer symmetry being achieved with the {beta} layering process and modifications needed for other fuel symmetrization processes are discussed. These include the vertically differentially heated capsule with a uniform liquid layer stabilized by a surface tension gradient, foam supported liquid layers and solid D{sub 2} or HD layers symmetrized by bulk irradiation from a laser source. The cold sinks to be incorporated in these techniques could, in principal, be cooled with the high pressure helium envisioned for the heat sink rings of the present design. Supplementary laser access would be provided for differential heating of the capsule for surface tension gradient stabilization of a liquid layer or bulk heating of a solid layer. The cryostat in each of these cases would look substantially the same as in the present case with the only significant differences being in the details of the design in the immediate vicinity of the target.

Physical Description

11 p.

Notes

INIS; OSTI as DE95011765

Source

  • Other Information: PBD: 20 Sep 1994

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  • Other: DE95011765
  • Report No.: UCRL-ID--118528
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/81036 | External Link
  • Office of Scientific & Technical Information Report Number: 81036
  • Archival Resource Key: ark:/67531/metadc739435

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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

  • September 20, 1994

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

Description Last Updated

  • Feb. 17, 2016, 2:48 p.m.

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Warren, R. NIF target fill, transport and insertion cryostat, report, September 20, 1994; California. (digital.library.unt.edu/ark:/67531/metadc739435/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.