The fast particle flux onto the material surfaces and the fast ion edge distribution are compared between ASDEX Upgrade H-mode and quiescent H-mode (QH-mode) in the presence of toroidal ripple and radial electric field Er by using the orbit-following Monte Carlo code ASCOT. So far, the QH-mode has been obtained only with counter-injection of the neutral beams. The wall load caused by co-injected beams in H-mode is small and without ripple it is negligible. With counter-injection (QH-mode case), the wall load is substantial even without the ripple. The ripple always increases the wall load, but the divertor load is either decreased or is unchanged. The effect of Er alone is small, but it boosts the ripple-trapping of beam particles near the location of its maximum absolute value on the horizontal midplane. The fast ion density and its gradient in the pedestal region are higher for counter-injected than for co-injected particles. The ripple decreases the density gradient in both the cases. To make a connection with the experiment, the flux of high-energy tritons from beam–plasma interactions onto the surfaces is evaluated. The simulated flux of tritons impinging on the material surfaces is in qualitative agreement with the measured tritium distribution on the wall and divertor.
高速粒子束流对材料表面的通量，以及快速离子在边缘区域的分布，在存在环形波纹和径向电场Er的条件下，通过使用轨道蒙特卡罗代码ASCDT，对ASDEX Upgrade的H模和静止H模（QH模）进行了比较。迄今为止，QH模仅在反向注入中性束的情况下获得。在H模中，同向注入束流引起的壁负载较小，且在没有波纹的情况下可忽略不计。在反向注入（QH模情况）时，即使没有波纹，壁负载也相当可观。波纹总是会增加壁负载，但偏滤器负载要么减少，要么保持不变。单独考虑Er的影响较小，但它会增强在水平中平面附近其绝对值最大位置处束流粒子的波纹俘获效应。在台基区域，反向注入粒子的快速离子密度及其梯度高于同向注入粒子。在两种情况下，波纹都会降低密度梯度。为了与实验建立联系，评估了来自束流-等离子体相互作用的高能氚核在材料表面上的通量。模拟得到的撞击材料表面的氚核通量与在壁和偏滤器上测得的氚分布定性一致。