A simulation environment to simulate lower-hybrid-wave-driven plasmas efficiently
A simulation environment to simulate lower-hybrid-wave-driven plasmas efficiently
复制标题
有效模拟低混合波驱动等离子体的模拟环境
DOI:
10.1016/j.cpc.2018.04.018
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Takahiro
中科院分区:
文献类型:
--
作者:
Benedikt;Yasushi;Takase;Yuichi;Tsujii;Yoshida;Yusuke;Yajima;Satoru;Shinya;Takahiro
In this study a hybrid simulation environment to investigate the lower-hybrid-wave-driven tokamak plasmas is presented, and its application to the spherical tokamak TST-2 is described. These plasma are formed and driven by radio-frequency waves without the use of the central solenoid, and are characterized by low density and low magnetic field. A hybrid simulation environment which is divided into two groups, one using magneto-hydrodynamic (MHD) as well as particle-in-cell (PIC) approaches, and the second group using ray-tracing and Fokker–Planck solvers, is applied to describe the behavior of energetic electrons, bulk plasma, wave propagation, and the wave-particle interaction. Both groups of solvers can be coupled via the energetic-particle velocity distribution function and the equilibrium conditions of magnetic field, pressure, and density profiles to obtain a self-consistent solution. First results show the impact of a self-consistent equilibrium on ray trajectories and current density profiles. Therefore, new insights in lower-hybrid-wave-driven plasmas of TST-2 can be obtained using the proposed hybrid simulation environment.
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DOI:
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发表时间:
2010
期刊:
影响因子:
--
作者:
A. Ishida;L. Steinhauer;Y
通讯作者:
Y
影响因子:
3.3
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发表时间:
2015
期刊:
影响因子:
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DOI:
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发表时间:
2017
期刊:
影响因子:
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DOI:
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发表时间:
2014
期刊:
影响因子:
--
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