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Title: Investigation of high energy runaway electron confinement in the Oak Ridge tokamak

Abstract

High energy runaway electrons in the Oak Ridge tokamak ORMAK have been investigated through measurement of the bremsstrahlung produced when these electrons leave the discharge and strike the limiting aperture of the torus. The experimental results have been interpreted in terms of a classical single-particle model appropriate for collisionless particles in a tokamak, and it has been found that most of the confinement properties of high energy runaways in ORMAK can be understood on this basis. An experiment designed to directly test this model has disclosed an anomalous transport which has been described by a runaway diffusion coefficient D approximately 102 to 104 cm2sec appropriate for runaways near the outside of the plasma. A discussion of the possible mechanisms for this anomalous transport is given.

Authors:
 [1]
  1. Cornell Univ., Ithaca, NY (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
5207694
Report Number(s):
ORNL/TM-6030
TRN: 78-004919
DOE Contract Number:  
W-7405-ENG-26
Resource Type:
Thesis/Dissertation
Resource Relation:
Other Information: Thesis
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; TOKAMAK TYPE REACTORS; RUNAWAY ELECTRONS; BREMSSTRAHLUNG; COLLISIONLESS PLASMA; ELECTRON DRIFT; ELECTRONS; ORBITS; PLASMA CONFINEMENT; X-RAY SPECTRA; CONFINEMENT; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; FERMIONS; LEPTONS; PLASMA; RADIATIONS; SPECTRA; THERMONUCLEAR REACTORS; 700103* - Fusion Energy- Plasma Research- Kinetics

Citation Formats

Zweben, Stewart Jay. Investigation of high energy runaway electron confinement in the Oak Ridge tokamak. United States: N. p., 1977. Web. doi:10.2172/5207694.
Zweben, Stewart Jay. Investigation of high energy runaway electron confinement in the Oak Ridge tokamak. United States. https://doi.org/10.2172/5207694
Zweben, Stewart Jay. 1977. "Investigation of high energy runaway electron confinement in the Oak Ridge tokamak". United States. https://doi.org/10.2172/5207694. https://www.osti.gov/servlets/purl/5207694.
@article{osti_5207694,
title = {Investigation of high energy runaway electron confinement in the Oak Ridge tokamak},
author = {Zweben, Stewart Jay},
abstractNote = {High energy runaway electrons in the Oak Ridge tokamak ORMAK have been investigated through measurement of the bremsstrahlung produced when these electrons leave the discharge and strike the limiting aperture of the torus. The experimental results have been interpreted in terms of a classical single-particle model appropriate for collisionless particles in a tokamak, and it has been found that most of the confinement properties of high energy runaways in ORMAK can be understood on this basis. An experiment designed to directly test this model has disclosed an anomalous transport which has been described by a runaway diffusion coefficient D approximately 102 to 104 cm2sec appropriate for runaways near the outside of the plasma. A discussion of the possible mechanisms for this anomalous transport is given.},
doi = {10.2172/5207694},
url = {https://www.osti.gov/biblio/5207694}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 01 00:00:00 EST 1977},
month = {Tue Nov 01 00:00:00 EST 1977}
}

Thesis/Dissertation:
Other availability
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