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Effect of Magnetohydrodynamic Perturbations on the Orbit Loss of Alpha Particles in Tokamak Plasma 下载免费PDF全文
We investigate the orbit loss of alpha particles under helical magnetic perturbation in a tokamak.The results show that low-frequency and low-mode number magnetic perturbation can cause stochastic loss of alpha particles.This effect is significant for those particles close to the boundary between the transit zone and the trapped zone.The particle loss is sensitive to the phase of the magnetic perturbation,indicating the modulation of the particle loss with respect to magnetic perturbation.It is also found that the precession of the particle banana orbit can even further enhance the particle loss. 相似文献
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基于可压缩的全Naiver-Stokes方程,利用PHOENICS程序对由会聚 辐射阳极形状等离子体炬产生的超声速等离子体射流进行了数值模拟.考虑了等离子体的黏性、可压缩性以及变物性对等离子体射流特性影响.研究了超声速等离子体射流的流场结构特性以及不同环境压力对等离子体射流产生激波结构的影响.结果表明,超声速等离子体射流在喷口附近形成的周期性激波结构是其和环境气体相互作用的结果.
关键词:
等离子体炬
超声速等离子体射流
PHOENICS 相似文献
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By applying the integral-variable-change technique, an explicit expression of deuterium-tritium fusion reactivityin the case of second harmonic ion cyclotron resonant heating on deuterium is obtained. 相似文献
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本文研究了由于欧姆电场与驱动电流的低杂波场相互作用造成的影响等离子体电导的两个物理机制。重新推导了电子响应方程并求出了低杂波电流驱动场引起的等离子体电导增量。与没有考虑到这两个物理过程的结果相比,电导增量改变了2/(1+D_c)倍。 相似文献
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