Simulation of Ion Motion at Atmospheric Pressure: Particle Tracing Versus Electrokinetic Flow
Simulation of Ion Motion at Atmospheric Pressure: Particle Tracing Versus Electrokinetic Flow
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DOI：
10.1007/s13361-011-0290-x
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发表时间：
2012-02
影响因子：
3.2
通讯作者：
Walter Wissdorf;L. Pohler;Sonja Klee;David Müller;T. Benter
中科院分区：
文献类型：
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作者：
Walter Wissdorf;L. Pohler;Sonja Klee;David Müller;T. Benter
用两种计算方法模拟在高压下的离子运动所得到的结果与实验得出的离子电流数据进行了比较。所用的计算方法是带电粒子示踪与软件包SIMION版本。8和有限元计算使用软件包Comsol Multiphysics ver. 4.0/4.0a。实验装置包括一个管状电晕放电离子源耦合到一个圆柱形的测量室保持在大气压下。产生的离子在基本上亚音速层流等温条件下流入腔室。在模拟中，假设严格平稳条件。结果表明，SIMION/SDS模型与实验数据之间有很好的一致性。对于Comsol模型，只观察到定性一致。
Results obtained with two computational approaches for the simulation of ion motion at elevated pressure are compared with experimentally derived ion current data. The computational approaches used are charged particle tracings with the software package SIMION ver. 8 and finite element based calculations using the software package Comsol Multiphysics ver. 4.0/4.0a. The experimental setup consisted of a tubular corona discharge ion source coupled to a cylindrical measurement chamber held at atmospheric pressure. Generated ions are flown into the chamber at essentially subsonic laminar isothermal conditions. In the simulations, strictly stationary conditions were assumed. The results show very good agreement between the SIMION/SDS model and experimental data. For the Comsol model, only qualitative agreement is observed.