论文标题
在核天体物理学实验中使用的靶标中的传热和耗散模拟
Simulation of heat transfer and dissipation in targets used in nuclear astrophysics experiments
论文作者
论文摘要
这项工作介绍了在高离子梁当前核天体物理学实验中使用的靶标的热量产生和耗散的时间依赖性数值计算。该模拟有益于选择目标厚度，最大离子光束电流和用于冷却此类目标的设计设置。发现对于非常薄的目标（$^{27} al（p，p），^{12} c（p，p，p）$）内部的热量产生相对较低，并且可以使用相当数量的高电流（几$μ$ A），而无需任何熔化问题。但是，如果构成厚的目标（$^{27} al（p，γ），^{12} c（p，γ）$）冷却对于反应目标的存活至关重要。
This work presents time-dependent numerical calculations of heat generation and dissipation in targets used in high ion-beam current nuclear astrophysics experiments. The simulation is beneficial for choosing the thickness of targets, maximum ion-beam current and design setup for cooling of such targets. It is found that for the very thin target ($^{27}Al(p,p),^{12}C(p,p)$) heat generation inside target is relatively low and a fair amount of high current (few $μ$A)can be used without any melting issue. But in case of thick targets ($^{27}Al(p,γ),^{12}C(p,γ)$) cooling became essential for the survival of reaction target.
