SNARF analysis of ICRF heating on TFTR

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Abstract
An ICRF heating model 1 which utilizes a poloidal mode expansion and contraction of the wave equation to second order, has been incorporated into the steady‐state transport analysis code, SNAP2. A simple Stix‐type isotropic Fokker‐Planck calculation3 models thermalization of the energy in the hot ion tails. Models of several other physical processes, such as enchanced RF damping from the hot tail and neutral beams, finite banana width effects, and sawtooth mixing have been incorporated in the code. This code has been used for data analysis of ICRF heating shots over TFTR’s lastest run. We will present analyses of these shots, including a toroidal field scan and simultaneous RF and beam heating.

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