计算第一壁部件热流峰化因子的几何方法
A geometrical approach to evaluating the heat flux peaking factor on first wall components
摘要：
在磁聚变实验中，一个简单的技术来评估第一壁组件上的热通量是控制等离子体表面相互作用的关键。热通量可以通过峰值因子来表征，峰值因子是峰值热通量与平均热通量的比率。使用简单的推导和标准软件工具可以精确计算峰化因子。这种分析适用于Iter类实验等离子体壁接触在启动阶段在15兆瓦，在理想化，现实和错位的情况下。即使峰值因子通常大于10，壁面上的峰值热负荷在几MW/m ${}^2$时保持适度。
英文摘要：
In magnetic fusion experiments, a simple technique to evaluate the heat flux on first wall components is a key to controlled plasma surface interaction. The heat flux can be characterized by the peaking factor which is the ratio of the peak heat flux to the average heat flux. The peaking factor can be calculated exactly using simple derivations and standard software tools. This analysis is applied to an Iter class experiment for plasma wall contact during start up phases at 15 MW, in idealised, realistic and misaligned situations. Even though the peaking factors are usually above 10, the peak heat load on the wall remains moderate at a few MW/m${}^2$.
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