摘要
本文建立了一种高温液态锂蒸发、锂蒸气云等离子体运动、它对入射等离子体粒子屏蔽和锂蒸气云等离子体内的光子辐射和输运的综合物理模型。导出了与温度相关的蒸发功率。研究了静态液态锂表面在 10MJ/m2 ,1ms高脉冲表面热负荷作用下考虑蒸发和不考虑蒸发两种情况下靶板温升并作了比较。结果表明定常自由表面液态锂靶板也可以取出大量表面热负荷。最后计算了入射到偏滤器靶室中的高能α粒子和弱相对论性电子在锂蒸气云等离子体中的能量沉积。
A comprehensive physical model including high temperature liquid lithium evaporation, expansion motion of lithium vapor,shielding effects of vapor cloud on incoming plasma particles and photon radiation and transport in the lithium vapor cloud plasma has been presented. A formula to describe the temperature dependent evaporation power is derived.The maximum temperature rises of stationary liquid lithium surface target plate are compared under the intense deposition of energy (10 MJ/m 2) over short period (1 ms) for considering or not considering evaporation processes respectively. The results show that large amount of surface heat load can be removed even by stationary free surface liquid lithium target plate due to rapid evaporation. The energy depositions of incoming high energy particles and weekly relativistic electrons from SOL are calculated.
出处
《核科学与工程》
CSCD
北大核心
2000年第4期373-384,共12页
Nuclear Science and Engineering
基金
国家自然科学基金重点项目!:198895 0 2
国家自然科学基金!(10 0 85 0 0 1)
