New techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks

Robert James Goldston; D. C. McCune; H. H. Towner; S. L. Davis; R. J. Hawryluk; G. L. Schmidt

doi:10.1016/0021-9991(81)90111-X

New techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks

Robert James Goldston, D. C. McCune, H. H. Towner, S. L. Davis, R. J. Hawryluk, G. L. Schmidt

Research output: Contribution to journal › Article › peer-review

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Abstract

A set of numerical techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks is described. While these techniques consume a substantial amount of computer time, they take into account a number of significant, and normally neglected, effects. Examples of these effects are reionization of escaping charge exchanged beam particles, finite fast ion orbit excursions, beam deposition through collisions of beam neutrals with circulating beam ions, and the transport of thermal neutrals in the plasma due to charge changing collisions with beam ions.

Original language	English (US)
Pages (from-to)	61-78
Number of pages	18
Journal	Journal of Computational Physics
Volume	43
Issue number	1
DOIs	https://doi.org/10.1016/0021-9991(81)90111-X
State	Published - Sep 1981

All Science Journal Classification (ASJC) codes

Numerical Analysis
Modeling and Simulation
Physics and Astronomy (miscellaneous)
General Physics and Astronomy
Computer Science Applications
Computational Mathematics
Applied Mathematics

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10.1016/0021-9991(81)90111-X

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title = "New techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks",

abstract = "A set of numerical techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks is described. While these techniques consume a substantial amount of computer time, they take into account a number of significant, and normally neglected, effects. Examples of these effects are reionization of escaping charge exchanged beam particles, finite fast ion orbit excursions, beam deposition through collisions of beam neutrals with circulating beam ions, and the transport of thermal neutrals in the plasma due to charge changing collisions with beam ions.",

author = "Goldston, {Robert James} and McCune, {D. C.} and Towner, {H. H.} and Davis, {S. L.} and Hawryluk, {R. J.} and Schmidt, {G. L.}",

note = "Funding Information: The authors would like to thank Drs. Douglass Post, David Mikkelsen, and Graham Lister for many illuminating discussionso n Monte Carlo techniquesa nd their application to tokamak and neutral beam physics problems. This work was supported by the U.S. Department of Energy under Contract DE-AC02-76-CHO-3073.",

year = "1981",

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doi = "10.1016/0021-9991(81)90111-X",

language = "English (US)",

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T1 - New techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks

AU - Goldston, Robert James

AU - McCune, D. C.

AU - Towner, H. H.

AU - Davis, S. L.

AU - Hawryluk, R. J.

AU - Schmidt, G. L.

N1 - Funding Information: The authors would like to thank Drs. Douglass Post, David Mikkelsen, and Graham Lister for many illuminating discussionso n Monte Carlo techniquesa nd their application to tokamak and neutral beam physics problems. This work was supported by the U.S. Department of Energy under Contract DE-AC02-76-CHO-3073.

PY - 1981/9

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N2 - A set of numerical techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks is described. While these techniques consume a substantial amount of computer time, they take into account a number of significant, and normally neglected, effects. Examples of these effects are reionization of escaping charge exchanged beam particles, finite fast ion orbit excursions, beam deposition through collisions of beam neutrals with circulating beam ions, and the transport of thermal neutrals in the plasma due to charge changing collisions with beam ions.

AB - A set of numerical techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks is described. While these techniques consume a substantial amount of computer time, they take into account a number of significant, and normally neglected, effects. Examples of these effects are reionization of escaping charge exchanged beam particles, finite fast ion orbit excursions, beam deposition through collisions of beam neutrals with circulating beam ions, and the transport of thermal neutrals in the plasma due to charge changing collisions with beam ions.

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New techniques for calculating heat and particle source rates due to neutral beam injection in axisymmetric tokamaks

Abstract

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