Suppression of ignition by interface instabilities in small fusion targets

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Description

Concern over hydrodynamic instabilities in small fusion targets has prompted numerous studies of instability onset, but few studies of the consequences. Here for the first time a mechanism is identified which tends to suppress ignition in small fusion targets. The mechanism is that of radiative energy loss into the increased area of a perturbed surface. Quantitative assessment of this mechanism is provided by modeling it in a 12 parameter burn code. It is contrasted with two other mechanisms and shown to be a significantly more serious consideration for DT ignition in the Wheeler mode.

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Pages: 17

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Kirkpatrick, R.C. January 1, 1981.

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Description

Concern over hydrodynamic instabilities in small fusion targets has prompted numerous studies of instability onset, but few studies of the consequences. Here for the first time a mechanism is identified which tends to suppress ignition in small fusion targets. The mechanism is that of radiative energy loss into the increased area of a perturbed surface. Quantitative assessment of this mechanism is provided by modeling it in a 12 parameter burn code. It is contrasted with two other mechanisms and shown to be a significantly more serious consideration for DT ignition in the Wheeler mode.

Physical Description

Pages: 17

Notes

NTIS, PC A02/MF A01.

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  • 4. international topical conference on high-power electron and ion-beam research and technology, Palaiseau, France, 29 Jun 1981

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  • Report No.: LA-UR-81-433
  • Report No.: CONF-810620-1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6450926
  • Archival Resource Key: ark:/67531/metadc1204038

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 30, 2018, 12:19 p.m.

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Kirkpatrick, R.C. Suppression of ignition by interface instabilities in small fusion targets, article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1204038/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.