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首页> 外文期刊>Plasma physics and controlled fusion >Integrated modeling of H-mode tokamak discharges with ASTRA and B2SOLPS numerical codes
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Integrated modeling of H-mode tokamak discharges with ASTRA and B2SOLPS numerical codes

机译：使用ASTRA和B2SOLPS数值代码对H型托卡马克放电进行集成建模

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摘要

The numerical codes ASTRA and B2SOLPS5.2 are coupled to perform an integrated modeling of particle and energy transport and to obtain continuous self-consistent profiles of the main plasma parameters from the magnetic axis up to target plates. The unique distinguishing feature of the new coupling scheme is the presence of a region of overlap of the 1D and 2D computational domains, where the 1D solution coincides with the 2D one at the equatorial midplane. In the 2D transport equation system, all relevant drift flows and currents are taken into account, which allows us to calculate the poloidal variation of the density, temperatures and electrostatic potential, and obtain neoclassical radial fluxes in a self-consistent manner. Such an approach allows us to model tokamaks for which neoclassical effects give a significant contribution to the ion heat transport, and in particular, spherical tokamaks.
机译：耦合数字代码ASTRA和B2SOLPS5.2以执行粒子和能量传输的集成建模，并获得从磁轴到目标板的主要等离子体参数的连续自洽分布。新耦合方案的独特之处在于存在1D和2D计算域重叠的区域，其中1D解与2D解在赤道中平面重合。在二维输运方程系统中，考虑了所有相关的漂移流量和电流，这使我们能够计算密度，温度和静电势的倍数变化，并以自洽的方式获得新古典径向通量。这种方法使我们能够建模托卡马克，其新古典效应对离子传热有重要贡献，特别是球形托卡马克。

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