Space-dependent thermal stability of reacting tokamak plasmas by W. A Houlberg

Cover of: Space-dependent thermal stability of reacting tokamak plasmas | W. A Houlberg

Published by Oak Ridge National Laboratory, Fusion Energy Division, for sale by the National Technical Information Service in Oak Ridge, Tenn, Springfield, Va .

Written in English

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Subjects:

  • Plasma instabilities,
  • Tokamaks

Edition Notes

Book details

StatementW. A. Houlberg and R. W. Conn ; prepared by the Oak Ridge National Laboratory, Fusion Energy Division, for the Department of Energy
SeriesORNL/TM ; 6297
ContributionsConn, R. W., joint author, Oak Ridge National Laboratory. Fusion Energy Division
The Physical Object
Paginationv, 39 p. :
Number of Pages39
ID Numbers
Open LibraryOL14881508M

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A technique is presented for the analysis of thermal stability in reacting tokamak plasmas using a one-dimensional, time-dependent fluid transport model. Application is made to the analysis of density related thermal instabilities in a neutral beam-driven, two-component plasma (TETR) and a.

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A Houlberg. The U.S. Department of Energy's Office of Scientific and Technical Information. The dynamics of RE (runaway electrons) in fusion plasmas span a wide range of temporal scales, from the fast gyro-motion, ∼ 10 − 11 s, to the observational time scales, ∼ 10 − 2 → 1 s.

To cope with this scale separation, Space-dependent thermal stability of reacting tokamak plasmas book are usually studied within the bounce-average or the guiding center approximations.

Although these approximations have yielded valuable insights, a study with Cited by: The influence of plasma thermal instability on the safety of a D—T tokamak breeder reactor is examined, by coupling (a) a one-dimensional tokamak transport model which includes a radial motion, and (b) thermal-hydraulic equations for the blanket by: 1.

We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services. The time–space dependent contributions from the drifts across flux surfaces, as well as along field lines, are accumulated to yield the ion heat flux profile qi(x) characterizing a thermal.

Introduction. A key challenge in tokamak operations is maintaining stable plasma conditions, remaining within safety limits and accurate control of the plasma control has expanded in recent years from control of bulk plasma quantities (such as total plasma current, average particle density and average temperature) to control of the spatial distributions of these quantities, e Cited by: 8.

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stability. Description of Tokomaks, mirror machines, and pinch devices. Supplementary Heating. Diffusion in Weakly ionized gases. Diffusion across a magnetic field. Diffusion in fully ionized plasmas. Bohm diffusion and neoclassical diffusion. Hydro-magnetic equilibrium.

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