TRT Divertor Optimization in SOLPS-ITER Modeling

IF 0.9 4区 物理与天体物理 Q4 PHYSICS, FLUIDS & PLASMAS
P. A. Molchanov, P. S. Kudrevatykh, N. V. Shtyrkhunov, E. G. Kaveeva, V. A. Rozhansky, I. Yu. Senichenkov
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Abstract

The analysis of possible divertor working regimes and edge plasma parameters for TRT tokamak project is performed basing on modeling. It is shown that for the separatrix power of 18 MW corresponding to approximately twice higher full input power the low divertor integral heat flux 5 MW/m2 can be provided for the separatrix plasma density lower than 7 × 1019 m–3 and the effective charge Zeff lower than 2. These parameters are realistic for this device. In case of bigger separatrix power the working regime is possible with higher divertor heat load still within the technological limits of the machine. Modeling also shows positive effect of the increase of the distance between the separatrix and the vacuum vessel structures and better performance of the corner divertor configuration comparing to the “ITER-like” one.

Abstract Image

SOLPS-ITER模型中TRT导流器优化
在建模的基础上,对TRT托卡马克工程可能的分流器工作状态和边缘等离子体参数进行了分析。结果表明,当分离柱功率为18 MW时,当分离柱等离子体密度小于7 × 1019 m-3,有效电荷Zeff小于2时,可获得5 MW/m2的低导流器积分热流密度。这些参数对于该设备是现实的。在分离器功率较大的情况下,在机器的技术极限内,可以在较高的导流器热负荷下工作。模拟还表明,增加分离矩阵与真空容器结构之间的距离对分离效果有积极影响,拐角导流器配置比“类iter”结构性能更好。
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来源期刊
Plasma Physics Reports
Plasma Physics Reports 物理-物理:流体与等离子体
CiteScore
1.90
自引率
36.40%
发文量
104
审稿时长
4-8 weeks
期刊介绍: Plasma Physics Reports is a peer reviewed journal devoted to plasma physics. The journal covers the following topics: high-temperature plasma physics related to the problem of controlled nuclear fusion based on magnetic and inertial confinement; physics of cosmic plasma, including magnetosphere plasma, sun and stellar plasma, etc.; gas discharge plasma and plasma generated by laser and particle beams. The journal also publishes papers on such related topics as plasma electronics, generation of radiation in plasma, and plasma diagnostics. As well as other original communications, the journal publishes topical reviews and conference proceedings.
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