Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses

Detalhes bibliográficos
Autor(a) principal: Rosa, Paulo Ricardo da Silva
Data de Publicação: 1997
Outros Autores: Ziebell, Luiz Fernando
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/75772
Resumo: We use quasilinear theory to investigate the influence of losses of energetic particles on the behaviour of electron cyclotron absorption during lower hybrid plus electron cyclotron current drive. Our analysis takes into account the quasilinear effects of the interaction of electron cyclotron radiation with a lower hybrid produced tail in the presence of collisions and a loss term for energetic particles. We study the behaviour of different quantities, as the parallel electron distribution function and the perpendicular temperature, for several values of the electron confinement time, an important parameter of the model loss term. The absorption of extraordinary mode electron cyclotron waves by tail electrons results to be substantially reduced when the loss term is taken into account in the quasilinear diffusion equation, as compared to the case where these losses are neglected.
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spelling Rosa, Paulo Ricardo da SilvaZiebell, Luiz Fernando2013-07-11T02:21:46Z19970103-9733http://hdl.handle.net/10183/75772000154237We use quasilinear theory to investigate the influence of losses of energetic particles on the behaviour of electron cyclotron absorption during lower hybrid plus electron cyclotron current drive. Our analysis takes into account the quasilinear effects of the interaction of electron cyclotron radiation with a lower hybrid produced tail in the presence of collisions and a loss term for energetic particles. We study the behaviour of different quantities, as the parallel electron distribution function and the perpendicular temperature, for several values of the electron confinement time, an important parameter of the model loss term. The absorption of extraordinary mode electron cyclotron waves by tail electrons results to be substantially reduced when the loss term is taken into account in the quasilinear diffusion equation, as compared to the case where these losses are neglected.application/pdfengBrazilian Journal of Physics. São Paulo. Vol. 27, no. 4 (Dec. 1997), p. 499-509Fisica dos fluidos, fisica dos plasmas e descargas eletricasPlasmasElectron cyclotron absorption by RF driven current-carrying plasmas with fast particle lossesinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/otherinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000154237.pdf000154237.pdfTexto completo (inglês)application/pdf130801http://www.lume.ufrgs.br/bitstream/10183/75772/1/000154237.pdf92db56b8cc70bde3e7485161120f66d6MD51TEXT000154237.pdf.txt000154237.pdf.txtExtracted Texttext/plain35924http://www.lume.ufrgs.br/bitstream/10183/75772/2/000154237.pdf.txtcc3ddef8efb0a9f0ef93b9477bd54ec8MD52THUMBNAIL000154237.pdf.jpg000154237.pdf.jpgGenerated Thumbnailimage/jpeg1409http://www.lume.ufrgs.br/bitstream/10183/75772/3/000154237.pdf.jpgff213220cc2287de8805c552ac585b9eMD5310183/757722023-09-24 03:39:53.275232oai:www.lume.ufrgs.br:10183/75772Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-09-24T06:39:53Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
title Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
spellingShingle Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
Rosa, Paulo Ricardo da Silva
Fisica dos fluidos, fisica dos plasmas e descargas eletricas
Plasmas
title_short Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
title_full Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
title_fullStr Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
title_full_unstemmed Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
title_sort Electron cyclotron absorption by RF driven current-carrying plasmas with fast particle losses
author Rosa, Paulo Ricardo da Silva
author_facet Rosa, Paulo Ricardo da Silva
Ziebell, Luiz Fernando
author_role author
author2 Ziebell, Luiz Fernando
author2_role author
dc.contributor.author.fl_str_mv Rosa, Paulo Ricardo da Silva
Ziebell, Luiz Fernando
dc.subject.por.fl_str_mv Fisica dos fluidos, fisica dos plasmas e descargas eletricas
Plasmas
topic Fisica dos fluidos, fisica dos plasmas e descargas eletricas
Plasmas
description We use quasilinear theory to investigate the influence of losses of energetic particles on the behaviour of electron cyclotron absorption during lower hybrid plus electron cyclotron current drive. Our analysis takes into account the quasilinear effects of the interaction of electron cyclotron radiation with a lower hybrid produced tail in the presence of collisions and a loss term for energetic particles. We study the behaviour of different quantities, as the parallel electron distribution function and the perpendicular temperature, for several values of the electron confinement time, an important parameter of the model loss term. The absorption of extraordinary mode electron cyclotron waves by tail electrons results to be substantially reduced when the loss term is taken into account in the quasilinear diffusion equation, as compared to the case where these losses are neglected.
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dc.relation.ispartof.pt_BR.fl_str_mv Brazilian Journal of Physics. São Paulo. Vol. 27, no. 4 (Dec. 1997), p. 499-509
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