TRANSPORT OF ELM ENERGY AND PARTICLES INTO THE SOL AND DIVERTOR OF DIII-D

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A271 TRANSPORT OF ELM ENERGY AND PARTICLES INTO THE SOL AND DIVERTOR OF DIII-D. The reduction in size of Type I edge localized models (ELMs) with increasing density is explored in DIII-D for the purpose of studying the underlying transport of ELM energy. The separate convective and conductive transport of energy due to an ELM is determined by Thomson scattering measurements of electron density and temperature in the pedestal. The conductive transport from the pedestal during an ELM decreases with increasing density, while the convective transport remains nearly constant. The scaling of the ELM energy loss is compared with an ... continued below

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30 pages

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LEONARD,AW; OSBORNE,TH; FENSTERMACHER,ME; GROEBNER,RJ; GROTH,M; LASNIER,CJ et al. November 1, 2002.

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A271 TRANSPORT OF ELM ENERGY AND PARTICLES INTO THE SOL AND DIVERTOR OF DIII-D. The reduction in size of Type I edge localized models (ELMs) with increasing density is explored in DIII-D for the purpose of studying the underlying transport of ELM energy. The separate convective and conductive transport of energy due to an ELM is determined by Thomson scattering measurements of electron density and temperature in the pedestal. The conductive transport from the pedestal during an ELM decreases with increasing density, while the convective transport remains nearly constant. The scaling of the ELM energy loss is compared with an edge stability model. The role of the divertor sheath in limiting energy loss from the pedestal during an ELM is explored. Evidence of outward radial transport to the midplane wall during an ELM is also presented.

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30 pages

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INIS; OSTI as DE00813961

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  • THIS IS A PREPRINT OF A INVITED PAPER TO BE PRESENTED AT THE 44TH ANNUAL MEETING OF THE DIVISION OF PLASMA PHYSICS, ORLANDO, FL (US), 11/11/2002--11/15/2002

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  • Report No.: NONE
  • Grant Number: AC03-99ER54463
  • Office of Scientific & Technical Information Report Number: 813961
  • Archival Resource Key: ark:/67531/metadc739532

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  • November 1, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • Jan. 4, 2017, 1:56 p.m.

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LEONARD,AW; OSBORNE,TH; FENSTERMACHER,ME; GROEBNER,RJ; GROTH,M; LASNIER,CJ et al. TRANSPORT OF ELM ENERGY AND PARTICLES INTO THE SOL AND DIVERTOR OF DIII-D, article, November 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc739532/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.