ELECTRON CYCLOTRON CURRENT DRIVE EFFICIENCY IN GENERAL TOKAMAK GEOMETRY

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Green's-function techniques are used to calculate electron cyclotron current drive (ECCD) efficiency in general tokamak geometry in the low-collisionality regime. Fully relativistic electron dynamics is employed in the theoretical formulation. The high-velocity collision model is used to model Coulomb collisions and a simplified quasi-linear rf diffusion operator describes wave-particle interactions. The approximate analytic solutions which are benchmarked with a widely used ECCD model, facilitate time-dependent simulations of tokamak operational scenarios using the non-inductive current drive of electron cyclotron waves.

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LIN-LUI,Y.R; CHAN,V.S & PRATER,R March 1, 2003.

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Green's-function techniques are used to calculate electron cyclotron current drive (ECCD) efficiency in general tokamak geometry in the low-collisionality regime. Fully relativistic electron dynamics is employed in the theoretical formulation. The high-velocity collision model is used to model Coulomb collisions and a simplified quasi-linear rf diffusion operator describes wave-particle interactions. The approximate analytic solutions which are benchmarked with a widely used ECCD model, facilitate time-dependent simulations of tokamak operational scenarios using the non-inductive current drive of electron cyclotron waves.

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  • Report No.: GA-A24257
  • Grant Number: AC03-99ER54463
  • Office of Scientific & Technical Information Report Number: 836908
  • Archival Resource Key: ark:/67531/metadc784790

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Office of Scientific & Technical Information Technical Reports

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  • March 1, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • Dec. 5, 2016, 2:48 p.m.

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LIN-LUI,Y.R; CHAN,V.S & PRATER,R. ELECTRON CYCLOTRON CURRENT DRIVE EFFICIENCY IN GENERAL TOKAMAK GEOMETRY, article, March 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc784790/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.