Numerical investigation on synergetic effects of LHW and FW

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2005, Vol. 25 ›› Issue (4): 251-256.

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Numerical investigation on synergetic effects of LHW and FW

ZHANG Gong-rang1, 2, KUANG Guang-li1

( 1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031; 2. Hefei University of Technology, Hefei 230009)

Received:2005-03-09 Revised:2005-08-09 Online:2005-12-15 Published:2013-08-22

快波与低杂波协同作用的数值研究

张公让1, 2 , 匡光力1

( 1. 中国科学院等离子体物理研究所, 合肥230031; 2. 合肥工业大学, 合肥230009)

作者简介:张公让( 1966- ) , 男, 安徽省五河县人, 博士, 主要从事射频波加热与低杂波驱动协同作用的数值模拟研究。
基金资助:
国家自然科学基金资助项目( 10205015)

Abstract

Abstract:

Using a ray-tracing code combined with a fast two-dimensional relativistic quas-i linear Fokker-Planck solver, the 2D equation is discretized in momentum space using an implicit 5-point stencil and solved using the NAG l-i brary routine D03UAF. Numerical simulat ion of synergy of LHW and FW for the FTU ( Frascati Tokamak Upgrade) plasmas has been carried out. The simulation results show that the LHW power absorption distribution and the LHW driven current distribution depend on the position of antenna where the LHW is emitteed from different point, whether with or without FW, and the effect of LHW on driven plasmas current is obviously changed during the synergy of LHW and FW.

Key words: LHW, FW, Current drive, Synergy

摘要：

在二维Fokker- Planck 方程求解的程序中, 把含有相对论、准线性效应二维快Fokker- Planck 方程的求解子程序与波的射线轨迹程序相结合, 采用了5 点模板对动量空间进行离散化处理, 调用了NAG 库子程序D03UAF 对方程求解。根据FTU 装置的参数, 对LHW 天线不同位置处辐射的功率谱进行了电流驱动的模拟计算, 结果表明: LHW 天线上不同位置处发射的波, 无论有没有FW, 功率的沉积剖面和驱动电流剖面都依赖于天线的位置; 低杂波和快波( LHW+ FW) 双波协同作用下LHW 驱动等离子体电流的效果得到了明显地改善。

关键词: 低杂波, 快波, 电流驱动, 双波协同

CLC Number:

ZHANG Gong-rang, KUANG Guang-li. Numerical investigation on synergetic effects of LHW and FW[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2005, 25(4): 251-256.

张公让1, 2 , 匡光力1. 快波与低杂波协同作用的数值研究[J]. 核聚变与等离子体物理, 2005, 25(4): 251-256.

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Numerical investigation on synergetic effects of LHW and FW

快波与低杂波协同作用的数值研究

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