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  • Dokázali jsme, že integrály přes úhel stoupání trajektorie ve vzorcích pro transportní toky v ν-režimu neoklasického transportu, popsané Shaingem v [Phys. Plasmas 10, 1443 (2003)], jsou divergentní v okolí hranice mezi zachycenými a obíhajícími orbitami. (ν je srážková frekvence.) Původ této divergence je v logaritmické závislosti radiální driftové rychlosti ustředněné přes odrazy. Analýza srážkové hraniční vrstvy je provedena pro odstranění této singularity. Výsledné integrály přes úhel stoupání nyní zahrnují nejen původní fyziku ν-režimu, ale i fyziku hraniční vrstvy. Transportní toky způsobené částicemi v hraniční vrstvě se škálují jako ν. (cs)
  • It is demonstrated that the pitch angle integrals in the transport fluxes in the ν regime calculated in K. C. Shang [Phys. Plasmas 10, 1443 (2003)] are divergent as the trapped-circulating boundary is approached. Here, ν is the collision frequency. The origin of this divergence results from the logarithmic dependence in the bounce averaged radial drift velocity. A collisional boundary layer analysis is developed to remove the singularity. The resultant pitch angle integrals now include not only the original physics of the ν regime but also the boundary layer physics. The transport fluxes, caused by the particles inside the boundary layer, scale as ν.
  • It is demonstrated that the pitch angle integrals in the transport fluxes in the ν regime calculated in K. C. Shang [Phys. Plasmas 10, 1443 (2003)] are divergent as the trapped-circulating boundary is approached. Here, ν is the collision frequency. The origin of this divergence results from the logarithmic dependence in the bounce averaged radial drift velocity. A collisional boundary layer analysis is developed to remove the singularity. The resultant pitch angle integrals now include not only the original physics of the ν regime but also the boundary layer physics. The transport fluxes, caused by the particles inside the boundary layer, scale as ν. (en)
Title
  • Collisional boundary layer analysis for neoclassical toroidal plasma viscosity in tokamaks
  • Analýza srážkové hraniční vrstvy pro neoklasickou toroidální viskozitu v tokamacích (cs)
  • Collisional boundary layer analysis for neoclassical toroidal plasma viscosity in tokamaks (en)
skos:prefLabel
  • Collisional boundary layer analysis for neoclassical toroidal plasma viscosity in tokamaks
  • Analýza srážkové hraniční vrstvy pro neoklasickou toroidální viskozitu v tokamacích (cs)
  • Collisional boundary layer analysis for neoclassical toroidal plasma viscosity in tokamaks (en)
skos:notation
  • RIV/61389021:_____/08:00319781!RIV09-AV0-61389021
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika
  • 8
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 360359
http://linked.open...ai/riv/idVysledku
  • RIV/61389021:_____/08:00319781
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • plasma boundary layers; plasma toroidal confinement; Tokamak devices (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [2DED35196E52]
http://linked.open...i/riv/nazevZdroje
  • Physics of Plasmas
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 15
http://linked.open...iv/tvurceVysledku
  • Cahyna, Pavel
  • Bécoulet, M.
  • Sabbagh, S. A.
  • Chu, M. S.
  • Park, J.-K.
  • Shaing, K. C.
http://linked.open...ain/vavai/riv/wos
  • 000259448900044
http://linked.open...n/vavai/riv/zamer
issn
  • 1070-664X
number of pages
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