Experimentally determined profiles of fast wave current drive on DIII-D

Forest, C. B.; Petty, C. C.; Baity, F. W.; Chiu, S. C.; deGrassie, J.S.; Groebner, R. J.; Ikezi, H.; Jaeger, E. F.; Küpfer, K.; Murakami, M.; Pinsker, R. I.; Prater, R.; Rice, B. W.; Wade, M. R.; Whyte, D.G.

doi:10.1063/1.49575

Cited by 2 publications

(2 citation statements)

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“…A/(Wm2) for the 90 MHz scenario is largely due to the reduced cyclotron absorption by the hydrogen impurity. Experimental efforts are underway to determine the accuracy of these modeling results [3].…”

Section: Resultsmentioning

confidence: 99%

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Three-dimensional antenna coupling to core plasma in fusion devices

Carter¹,

Jaeger²,

Stallings³

et al. 1995

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Abstract. The development of the RANT3D code has permitted the systematic study of the effect of three-dimensional structures on the launched power spectrum for antennas in the ion cyclotron range of frequencies. The code allows the septa between current straps to be modeled with arbitrary heights and permits the antenna to interact with other structures in the tokamak. In this paper we present comparisons of calculated loading with the Tokamak Fusion Test Reactor and Tore Supra experiments, demonstrate the effects on loading caused by positioning uncertainties for an antenna in Tore Supra, and show electric field patterns near the Tore Supra antenna. A poloidal component in the static magnetic field for the plasma response is included in the near-field calculations using the warm plasma code, GLOSI. Preliminary estimates for the heat flux on the bumper limiters during typical operation in Tore Supra are also presented.

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Section: Resultsmentioning

confidence: 99%

“…As a first step toward such a model, the three-dimensional (3D) antenna modeling code, RANT3D [l], has been coupled with the reduced order full wave code, PICES [2]. Preliminary results from this model are presented in this paper for parameters similar to those found in the DIII-D [3] experiment.…”

Section: Introductionmentioning

confidence: 99%