| MonteCarlo法研究通过旋转圆管的自由分子流 |
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| 引用本文： | 贾换锁,应纯同. MonteCarlo法研究通过旋转圆管的自由分子流[J]. 清华大学学报(自然科学版), 1991, 0(3) |
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| 作者姓名： | 贾换锁 应纯同 |
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| 作者单位： | 工程物理系(贾换锁)，工程物理系(应纯同) |
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| 摘 要： | 利用试验粒子Ｍｏｎｔｅ Ｃａｒｌｏ方法研究通过有限长旋转圆管的自由分子流。给出变量的归一化分布函数及由此进行随机抽样的方法。对研究通过静止圆管的自由分子流的方法进行改进，提出一种求通过旋转口管的自由分子流流量的方法．计算几种情况．并与无限长旋转圆管的解析结果作比较。主要结论如下：在管两端压差一定时，通过旋转国管的自由分子流流量随转速增加而减小；通过旋转口管的流量与通过静止圆管的流量的比值，随国管长度的增加而减小。
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| 关 键 词： | Monte Carlo方法 自由分子流 旋转圆管 分布函数 |
The Monte Carlo Method for the Free Molecular Flow through a Rotating Tube |
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| Jia Huansuo, Ying Chuntong. The Monte Carlo Method for the Free Molecular Flow through a Rotating Tube[J]. Journal of Tsinghua University(Science and Technology), 1991, 0(3) |
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| Authors: | Jia Huansuo Ying Chuntong |
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| Affiliation: | Department of Engineering Physics |
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| Abstract: | The free molecule flow through a finite tube rotating about its axis is investigated with the test-particle Monte Carlo method. The normalized distribution functions of the variables and their sampling methods are given. By improving the method for investigating free molecule flow through a stationary tube, a procedure of obtaining the rate of free molecule flow through a rotating tube is devised. The results are compared with those from the analytical method for infinite rotating tube. The main conclusions are: the molecular flow through the rotating tube decreases with the increase of rotating velocity for a given density difference across the tube ends, and the ratio of the flow with rotation to that without rotation decreases with the increase of the length of the tube. |
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| Keywords: | Monte Carlo method free molecular flow rotating tube distribution function |
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