Calculating the temperature of strongly radiative shocks
Calculating the temperature of strongly radiative shocks
复制标题
计算强辐射冲击的温度
DOI：
10.1063/5.0008301
复制
发表时间：
2020
影响因子：
2.2
通讯作者：
M. Koenig
中科院分区：
文献类型：
--
作者：
P. Mabey;T. Michel;B. Albertazzi;E. Falize;N. Charpentier;M. Koenig
提出了一种计算强辐射激波(小于或等于1阶的Mihalas数)温度的新方法。通过在横跨激波阵面的Rankine-Hugoniot跳跃条件中加入电离项、辐射能项和辐射通量项，发展了一种计算辐射激波温度的新的自洽方法。该方法与以前使用类似方法计算温度的方法进行了比较，包括那些部分包括辐射和/或电离效应的方法。该方法还与文献中的实验数据、SESAME状态方程和辐射流体动力学模拟进行了比较。结果表明，对于强辐射激波情况，包含所有辐射项的重要性。这一结果对未来实验室实验的设计和解释具有重要意义，在这些实验中，可能会产生更快的辐射冲击。当辐射能在系统中发挥重要作用时，以前未见过的现象可能会出现。
A new method of calculating the temperature of strongly radiative shocks (Mihalas number of order unity or lower) is proposed. By including ionization, radiative energy, and radiative flux terms in the Rankine–Hugoniot jump conditions across the shock front, a new, self-consistent method of calculating the temperature of radiative shocks is developed. The method is compared to those used to calculate temperature in previous studies using similar methods, including those which partially included radiative and/or ionization effects. The method is also compared to experimental data, taken from the literature, as well as the SESAME equation of state tables and radiative hydrodynamics simulations. The results show the importance of including all radiative terms for the case of strongly radiative shocks. This result has important implications for the design and interpretation of future laboratory experiments where even faster radiative shocks may be generated. Previously unseen phenomena could be accessible when the radiative energy plays a significant role in the system.