6 Papers
29 Citations
H. Okuda is an academic researcher from Princeton Plasma Physics Laboratory. The author has contributed to research in topics: Wave propagation & Plasma. The author has an hindex of 3, co-authored 6 publications.
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Papers
Nonthermal particle and full-wave diffraction effects on heating and current drive in the ICRF and LHRF regimes
John Wright,L. A. Berry,P.T. Bonoli,D. B. Batchelor,E. F. Jaeger,M. D. Carter,E. D’Azevedo,C. K. Phillips,H. Okuda,R W Harvey,David Smithe,J. R. Myra,D. A. D'Ippolito,Marco Brambilla,R. J. Dumont +14 more
TL;DR: In this paper, the authors present full-wave simulations of the lower hybrid (LH) wave in toroidal geometry using a Maxwellian distribution with non-relativistic electron damping in Alcator C-Mod at values of (ωpe/ωce)2 comparable to those expected in the ITER device.
Full‐wave Electromagnetic Field Simulations of Lower Hybrid Waves in Tokamaks
John Wright,P.T. Bonoli,Marco Brambilla,Eduardo D'Azevedo,Lee A. Berry,Donald B. Batchelor,E. F. Jaeger,Mark D. Carter,C. K. Phillips,H. Okuda,R. W. Harvey,J.R. Myra,D.A. D'Ippolito,David Smithe +13 more
- 22 Sep 2005
TL;DR: In this paper, the Toric code was modified to simulate fast and slow wave fields in the lower hybrid range of frequencies (LHRF) by implementing boundary conditions appropriate for coupling the fast electromagnetic and the slow electrostatic waves in the LHRF.
11
Electromagnetic mode conversion: understanding waves that suddenly change their nature
Donald B. Batchelor,Lee A. Berry,P.T. Bonoli,Mark D. Carter,M. Choi,Eduardo D'Azevedo,D.A. D'Ippolito,Nikolai Gorelenkov,R. W. Harvey,E. F. Jaeger,J.R. Myra,H. Okuda,C. K. Phillips,David Smithe,John Wright +14 more
- 01 Jan 2005
TL;DR: In a magnetized plasma, such as in fusion devices or the Earth's magnetosphere, several different kinds of waves can simultaneously exist, having very different physical properties as discussed by the authors, and under the right conditions one wave can quite suddenly convert to another type.
4
Full-wave Simulations of ICRF Heating in Toroidal Plasma with Non-Maxwellian Distribution Functions in the FLR Limit
E.J. Valeo,C. K. Phillips,H. Okuda,J. C. Wright,P.T. Bonoli,L.A. Berry +5 more
- 18 Jul 2007
TL;DR: The TORIC simulation code has been extended to allow the prescription of arbitrary velocity distributions of the form ƒ (ν||, ν⊥, Ψ, θ) as discussed by the authors.
•Journal Article
Analysis of Lower Hybrid Current Drive Scenario on Alcator C-Mod Analysis of Lower Hybrid Current Drive Scenario on Alcator C-Mod with a Full Wave Code
TL;DR: In this article, the authors use the full wave lower hybrid code, TORLH (TORIC code modified for LH simulations), with non-Maxwellian electrons and the Ehst-Karney parameterized adjoint model for current drive, to predict the variation with n − of the current drive deposition location in the plasma for a reference target plasma.