用Flexible Atomic Code数据模拟非局域热力学平衡等离子体
Modeling non local thermodynamic equilibrium plasma using the Flexible Atomic Code data
摘要：
本文提出了一个新的程序RCF（Radiative-CollisionalCodebasedonFAC），用于模拟非局域热力学平衡条件下的稳态等离子体，特别是以光化为主的等离子体。RCF将几乎所有的原子辐射和碰撞过程都纳入速率方程中，对等离子体进行了系统的解释。灵活原子代码（FAC）提供了RCF所需的所有原子数据，保证了原子数据的计算完整性和一致性。利用与辐射源和目标等离子体相关的四个输入参数，RCF计算能级和电荷状态的总体，以及潜在的发射光谱。在初步的应用中，RCF成功地再现了光电离实验的结果与可靠的原子数据。最重要的原子过程对电荷态分布的影响也进行了讨论。
英文摘要：
We present a new code, RCF("Radiative-Collisional code based on FAC"), which is used to simulate steady-state plasmas under non local thermodynamic equilibrium condition, especially photoinization dominated plasmas. RCF takes almost all of the radiative and collisional atomic processes into rate equation to interpret the plasmas systematically. The Flexible Atomic Code (FAC) supplies all the atomic data RCF needed, which insures calculating completeness and consistency of atomic data. With four input parameters relating to the radiation source and target plasma, RCF calculates the population of levels and charge states, as well as potentially emission spectrum. In preliminary application, RCF successfully reproduces the results of a photoionization experiment with reliable atomic data. The effects of the most important atomic processes on the charge state distribution are also discussed.
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