Lithium droplet divertor collector for ions and heat

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Coping with the ion and energy fluxes which must be collected with a tokamak divertor is one of the more difficult technological challenges for a power producing reactor. Use of stationary solid surfaces to collect ions and the attendant heat flux faces technology feasibility questions. Calculations indicate that gravity-driven flow of liquid metals having a free surface will not move adequately fast. It is proposed to circumvent these problems by having high velocity lithium droplets perform the collection functions. Droplets which are not in contact with a wall encounter only very small retardation effects in a magnetic field, and these ... continued below

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Pages: 4

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Wells, W.M. January 1, 1979.

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Description

Coping with the ion and energy fluxes which must be collected with a tokamak divertor is one of the more difficult technological challenges for a power producing reactor. Use of stationary solid surfaces to collect ions and the attendant heat flux faces technology feasibility questions. Calculations indicate that gravity-driven flow of liquid metals having a free surface will not move adequately fast. It is proposed to circumvent these problems by having high velocity lithium droplets perform the collection functions. Droplets which are not in contact with a wall encounter only very small retardation effects in a magnetic field, and these droplets can be formed by nozzles outside of the magnetic field. If they travel at about 150 m/s, they can absorb in excess of 1 kW/cm/sup 2/ of projected area. The hydrogen isotope ion fluence is well below the saturation dose which has been achieved with lithium.

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Pages: 4

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Dep. NTIS, PC A02/MF A01.

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  • 8. symposium on engineering problems of fusion research, San Francisco, CA, USA, 13 Nov 1979

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  • Report No.: CONF-791102-30
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 5627893
  • Archival Resource Key: ark:/67531/metadc1092960

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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.

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  • January 1, 1979

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 6, 2018, 1:06 p.m.

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Wells, W.M. Lithium droplet divertor collector for ions and heat, article, January 1, 1979; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1092960/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.