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Hollenberg, J.B.; Callen, J.D.
Wisconsin Univ., Madison, WI (United States). Center for Plasma Theory and Computation. Funding organisation: USDOE, Washington, DC (United States)1994
Wisconsin Univ., Madison, WI (United States). Center for Plasma Theory and Computation. Funding organisation: USDOE, Washington, DC (United States)1994
AbstractAbstract
[en] Net transport due to a combination of Coulomb collisions and turbulence effects in a plasma is investigated using a fluid moment description that allows for kinetic and nonlinear effects via closure relations. The model considered allows for ''ideal'' turbulent fluctuations that distort but preserve the topology of species-dependent canonical flux surfaces ψnumber-sign,s triple-bond ∫ dF · Bnumber-sign,s triple-bond ∇ x [A + (ms/qs)us] in which us is the flow velocity of the fluid species. Equations for the net transport relative to these surfaces due to ''nonideal'' dissipative processes are found for the total number of particles and total entropy enclosed by a moving canonical flux surface. The corresponding particle transport flux is calculated using a toroidal axisymmetry approximation of the ideal surfaces. The resulting Lagrangian transport flux includes classical, neoclassical-like, and anomalous contributions and shows for the first time how these various contributions should be summed to obtain the total particle transport flux
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Jul 1994; 27 p; CONTRACT FG02-86ER53218; Also available from OSTI as DE95000710; NTIS; US Govt. Printing Office Dep
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