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Explanation of Turbulent Suppression of Electron Heat Transfer in GOL-3 Facility at the Stage of Relativistic Electron Beam Injection

A. V. Burdakov, I. A. Kotelnikov, V. I. Erofeev

Fusion Science and Technology / Volume 47 / Number 1T / January 2005 / Pages 74-77

Technical Paper / Open Magnetic Systems for Plasma Confinement /

The effect of the electron heat transfer suppression during the stage of relativistic electron beam injection into a plasma was discovered experimentally more than a decade ago. It is now widely adopted that the suppression is a side sequel of Langmuir turbulence excited by the beam, however neither quantitative theory nor even rough estimates of the phenomena were available so far. We argue that the coefficient of turbulent thermal conductivity can be evaluated from a robust judgement based on the energy balance consideration.

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