Isothermal Confinement

The concept of isothermal confinement is presented. The idea is a revival of the early magnetic fusion concepts with new insight. The plasma core is confined magnetically and is surrounded by a quasi-vacuum region. The temperature of the core is uniform and the turbulence associated with the tempera...

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Bibliographic Details
Published inPlasma and Fusion Research Vol. 2; p. 001
Main Author OHKAWA, Tihiro
Format Journal Article
LanguageEnglish
Published The Japan Society of Plasma Science and Nuclear Fusion Research 2007
Subjects
classical transport
magnetic confinement
pulsed operation
steady state operation
stellerator
tokamak
turbulent transport
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ISSN1880-6821
1880-6821
DOI10.1585/pfr.2.001

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Summary:The concept of isothermal confinement is presented. The idea is a revival of the early magnetic fusion concepts with new insight. The plasma core is confined magnetically and is surrounded by a quasi-vacuum region. The temperature of the core is uniform and the turbulence associated with the temperature gradient is absent. The quasi-vacuum region is unstable against the pressure gradient and the turbulent transport rate is much larger than that of the core. Two modes of operation, pulsed and steady state, are considered. Recent experimental results in LHD and CDX-U appear to support the concept.
ISSN:1880-6821
1880-6821
DOI:10.1585/pfr.2.001