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

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 radiat...

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Detalles Bibliográficos
Autores: Rosa, Paulo Ricardo da Silva, Ziebell, Luiz Fernando
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:1997
País:Brasil
Institución:Universidade Federal do Rio Grande do Sul (UFRGS)
Repositorio:Repositório Institucional da UFRGS
Idioma:inglés
OAI Identifier:oai:www.lume.ufrgs.br:10183/75772
Acceso en línea:http://hdl.handle.net/10183/75772
Access Level:acceso abierto
Palabra clave:Fisica dos fluidos, fisica dos plasmas e descargas eletricas
Plasmas
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spelling 2013-07-11T02:21:46Z19970103-9733http://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:UFRGSRosa, Paulo Ricardo da SilvaZiebell, Luiz FernandoORIGINAL000154237.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 InstitucionalPUBhttps://lume.ufrgs.br/oai/requestlume@ufrgs.bropendoar: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
dc.creator.none.fl_str_mv Rosa, Paulo Ricardo da Silva
Ziebell, Luiz Fernando
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.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.
publishDate 1997
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/75772
dc.identifier.issn.pt_BR.fl_str_mv 0103-9733
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dc.language.iso.fl_str_mv eng
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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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