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Molecular dynamics study of heat and mass transfer for disruption erosion

机译:传热和传质对破坏侵蚀的分子动力学研究

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In order to decide the life time of the divertor plate, it is necessary to estimate the erosion loss during a plasma disruption. However, in order to realistically simulate the effects of a plasma disruption on the plasma facing components, several physical processes should be taken into account. the molecular dynamics method is one of the effective numerical methods of analyzing non-equilibrium phase change problems. In this study, a numerical method based on molecular dynamics has been investigated with divided time interval, in order to simulate a system which contains a few atoms of high energy in most of slow atoms. Non-equilibrium evaporation processes are simulated by this method, Velocity distributions of evaporating atoms are analyzed.
机译:为了确定分流板的使用寿命,有必要估算等离子体破裂过程中的腐蚀损失。但是,为了真实地模拟等离子体破坏对面对等离子体的组件的影响,应考虑几个物理过程。分子动力学方法是分析非平衡相变问题的有效数值方法之一。在这项研究中,已经研究了一种基于分子动力学的数值方法,该方法以划分的时间间隔进行了研究,以便模拟一个在大多数慢原子中包含几个高能原子的系统。该方法模拟了非平衡蒸发过程,分析了蒸发原子的速度分布。

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