A new ion cyclotron range of frequency scenario for bulk ion heating in deuterium-tritium plasmas: How to utilize intrinsic impurities in our favour

作者：Kazakov Ye O^*; Ongena J; Van Eester D; Bilato R; Dumont R; Lerche E; Mantsinen M; Messiaen A

来源：Physics of Plasmas, 2015, 22(8): 082511.

DOI：10.1063/1.4928880

A fusion reactor requires plasma pre-heating before the rate of deuterium-tritium fusion reactions becomes significant. In ITER, radio frequency (RF) heating of He-3 ions, additionally puffed into the plasma, is one of the main options considered for increasing bulk ion temperature during the ramp-up phase of the pulse. In this paper, we propose an alternative scenario for bulk ion heating with RF waves, which requires no extra He-3 puff and profits from the presence of intrinsic Beryllium impurities in the plasma. The discussed method to heat Be impurities in D-T plasmas is shown to provide an even larger fraction of fuel ion heating.

• 出版日期2015-8
• 单位中国地震局