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Hamaguchi, Satoshi; Horton, W.
Texas Univ., Austin, TX (USA). Inst. for Fusion Studies1990
Texas Univ., Austin, TX (USA). Inst. for Fusion Studies1990
AbstractAbstract
[en] The anomalous heat transport arising from the ion temperature gradient driven mode or ηi-mode turbulence is extended to the range of the weak density gradient limit (ηi = Ln/LT → ∞), which is appropriate for H-mode discharges. It is shown that the anomalous ion heat conductivity χi with Ln → ∞ scales as χi = g(ρsLT)(cTi/eB)exp(-βσ) with σ = (Te/Ti)(LT/Ls), β ≅ 4 and g ≅ 1. This χi scaling is the natural extension for high ηi of the scaling of χi for K = (Ti/Te)(1 + ηi) approx-gt 4 obtained from analytical and numerical studies
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Apr 1990; 20 p; IFSR--430; CONTRACT FG05-80ET53088; NTIS, PC A03/MF A01 as DE90012578; OSTI; INIS; US Govt. Printing Office Dep
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