Tritium removal by CO{sub 2} laser heating

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Efficient techniques for rapid tritium removal will be necessary for ITER to meet its physics and engineering goals. One potential technique is transient surface heating by a scanning CO{sub 2} or Nd:Yag laser that would release tritium without the severe engineering difficulties of bulk heating of the vessel. The authors have modeled the heat propagation into a surface layer and find that a multi-kW/cm{sup 2} flux with an exposure time of order 10 ms is suitable to heat a 50 micron co-deposited layer to 1,000--2,000 degrees. Improved wall conditioning may be a significant side benefit. They identify remaining issues that ... continued below

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6 p.

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Skinner, C.H.; Kugel, H.; Mueller, D.; Doyle, B.L. & Wampler, W.R. October 1, 1997.

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Description

Efficient techniques for rapid tritium removal will be necessary for ITER to meet its physics and engineering goals. One potential technique is transient surface heating by a scanning CO{sub 2} or Nd:Yag laser that would release tritium without the severe engineering difficulties of bulk heating of the vessel. The authors have modeled the heat propagation into a surface layer and find that a multi-kW/cm{sup 2} flux with an exposure time of order 10 ms is suitable to heat a 50 micron co-deposited layer to 1,000--2,000 degrees. Improved wall conditioning may be a significant side benefit. They identify remaining issues that need to be addressed experimentally.

Physical Description

6 p.

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INIS; OSTI as DE98000561

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  • 17. IEEE/NPSS symposium on fusion engineering, San Diego, CA (United States), 6-10 Oct 1997

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  • Other: DE98000561
  • Report No.: SAND--97-2554C
  • Report No.: CONF-971065--
  • Grant Number: AC04-94AL85000;AC02-76CH03073
  • Office of Scientific & Technical Information Report Number: 537388
  • Archival Resource Key: ark:/67531/metadc691794

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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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  • October 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 14, 2016, 9:49 p.m.

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Skinner, C.H.; Kugel, H.; Mueller, D.; Doyle, B.L. & Wampler, W.R. Tritium removal by CO{sub 2} laser heating, article, October 1, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc691794/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.