刮削层流体模型中平行输运动力学效应的非局域方法
等离子体物理
2013-07-16 v2
摘要
通过使用非局域模型,流体模拟能够比常规扩散模型中使用通量限制器更好地捕捉平行电子热通量中的动力学效应。我们利用代表 JET SOL 中 ELM 崩溃的测试案例,在一维模拟中对比了非局域模型与扩散模型。非局域模型显示出显著增强的电子温度梯度,这是使用通量限制器无法实现的。我们还分析了该实现在 BOUT++ 框架中的性能,以证明其适用于 SOL 中湍流输运的三维模拟。
引用
@article{arxiv.1302.0676,
title = {Non-local approach to kinetic effects on parallel transport in fluid models of the scrape-off layer},
author = {John Omotani and Ben Dudson},
journal= {arXiv preprint arXiv:1302.0676},
year = {2013}
}
备注
Accepted version. Corrected normalization in (6). This is an author-created, un-copyedited version of an article accepted for publication in Plasma Physics and Controlled Fusion. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/0741-3335/55/5/055009