Abstract
Full‐wave ion‐cyclotron resonance heating (ICRH) coupling calculations in two and three dimensions have been extended to treat tokamaks with noncircular flux surfaces and conducting boundaries. The magnetic field configuration is derived from a Solov’ev equilibrium with finite poloidal magnetic fields. The conducting boundary may be of arbitrary shape. The mode conversion model is that of Colestock et al. in which the fourth‐order finite‐temperature wave equation is reduced to a second‐order equation that describes the effects of mode conversion on the fast wave but neglects the detailed structure of the ion Bernstein wave. Results show the effect of a noncircular cross section on excitation, wave propagation, and absorption in Doublet III‐D and the Joint European Torus (JET). Also, in the limit of a circular cross section, toroidal phasing of the resonant double‐loop antenna design for the Tokamak Fusion Test Reactor (TFTR) is studied.
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