Gyrokinetic Simulation of Energetic Particles Turbulence and Transport in Fusion Plasmas

POSTER

Abstract

The confinement of the energetic particles (EP) is a critical issue in the International Thermonuclear Experimental Reactor (ITER), since that ignition relies on the self-heating by the fusion products. Shear Alfven wave excitations by EP in toroidal systems, for example Toroidal Alfven Eigenmode (TAE) and Energetic Particle Mode (EPM) have been investigated as primary candidate for fluctuation-induced transport of EP in fusion plasma. In this work, TAE excitations by energetic particles are investigated in large scale first-principle simulations of fusion plasmas using the global gyrokinetic toroidal code (GTC) [Lin, Science 1998]. Comprehensive linear benchmarking results are reported between GTC, GYRO, fluid code TAEFL, and Magnetohydrodynamic-gyrokinetic hybrid code HMGC.

Authors

  • Wenlu Zhang

    • UC Irvine, CA
    • University of California, Irvine

  • Zhihong Lin

    • UC Irvine, CA
    • UCI
    • University of California, Irvine

  • I. Holod

    • UC Irvine, CA
    • University of California, Irvine
    • UCI

  • Yong Xiao

    • UC Irvine, CA
    • University of California, Irvine

  • Andreas Bierwage

    • UC Irvine, CA
    • University of California, Irvine

  • D.A. Spong

    • ORNL, Oak Ridge, TN
    • Oak Ridge National Laboratory

  • M.S. Chu

    • GA, San Diego, CA
    • General Atomics