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Radial transport in the central cell of the tandem mirror experiment

 

作者: R. P. Drake,   E. B. Hooper,   C. V. Karmendy,   S. L. Allen,   T. A. Casper,   J. F. Clauser,   F. H. Coensgen,   R. H. Cohen,   D. L. Correll,   J. C. Davis,   J. H. Foote,   A. H. Futch,   R. K. Goodman,   D. P. Grubb,   G. E. Gryczkowski,   G. A. Hallock,   A. L. Hunt,   W. E. Nexsen,   W. L. Pickles,   A. E. Pontau,   P. Poulsen,   T. C. Simonen,   O. T. Strand,   W. R. Wampler,  

 

期刊: Physics of Fluids(00319171)  （AIP Available online 1982）
卷期: Volume 25, issue 11  

页码: 2110-2120

 

ISSN:0031-9171

 

年代: 1982

 

DOI:10.1063/1.863670

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An experimental study of radial transport in the Tandem Mirror Experiment is reported here. Plasma parameters were measured in a series of well‐diagnosed plasma discharges. A negative electric current (80±40 A within a 30‐cm radius) flowed to the end wall, implying an equal radial loss of plasma ions. The axial losses of plasma ions were 100 A from the same volume. The nonambipolar radial ion flux was of the same order as the flux resulting from resonant‐neoclassical and ion‐neutral transport, but the uncertainties are large. The ambipolar radial transport (of both ions and electrons) was investigated by comparing the observed end losses with calculations of the plasma fueling by gas penetration and neutral beams. The ambipolar radial losses are probably smaller than the loses through other processes and may be as small as the classical losses resulting from Coulomb collisions.

 

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