Methane Screening in JET Reverse Field Experiments

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Description

JET plasmas with reverse magnetic field feature a different SOL flow than those with normal field. The observed carbon fueling efficiency from injecting methane gas was similar in reverse and normal field. EDGE2D modeling used an externally applied force to create the SOL flows, without specifying the origin of the force. The resulting flow agreed reasonably with the experimental values between the separatrix and 4 cm mid-plane depth in the SOL. The effect of the flow on the calculated carbon screening was 5 to 15% higher carbon fueling efficiency for the low flow velocity with reverse field.

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736 Kilobytes pages

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Strachan, J.D.; Alper, B.; Corrigan, G.; Erents, S.K.; Giroud, C.; Korotkov, A. et al. May 17, 2004.

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Description

JET plasmas with reverse magnetic field feature a different SOL flow than those with normal field. The observed carbon fueling efficiency from injecting methane gas was similar in reverse and normal field. EDGE2D modeling used an externally applied force to create the SOL flows, without specifying the origin of the force. The resulting flow agreed reasonably with the experimental values between the separatrix and 4 cm mid-plane depth in the SOL. The effect of the flow on the calculated carbon screening was 5 to 15% higher carbon fueling efficiency for the low flow velocity with reverse field.

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736 Kilobytes pages

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INIS; OSTI as DE00828003

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  • Other Information: PBD: 17 May 2004

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  • Report No.: PPPL-3959
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/828003 | External Link
  • Office of Scientific & Technical Information Report Number: 828003
  • Archival Resource Key: ark:/67531/metadc783532

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Creation Date

  • May 17, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

Description Last Updated

  • June 10, 2016, 6:26 p.m.

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Strachan, J.D.; Alper, B.; Corrigan, G.; Erents, S.K.; Giroud, C.; Korotkov, A. et al. Methane Screening in JET Reverse Field Experiments, report, May 17, 2004; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc783532/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.