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yun dong guan dao chu kou fen zi shu liu de meng te ka luo mo ni
Author(s): 
Pages: 71-77
Year: Issue:  2
Journal: Vacuum Science and Technology

Keyword:  蒙特卡洛模拟角分布分子束流蒙特卡洛方法热运动速度入射重要参数气体分子圆管道抽气;
Abstract: A simulation on a flying process of molecules incident into a moving tube is made by Monte Carlo method in this paper, After the numbers of molecule flying out of the tube are recored at each angle interval, the molecular distribution patterns at exit of tube can be obtained. From the discussions on the presented results, it is shown that the parameter which is the ratio of the moving velocity of a tube to thermal velocity of molecules has the larger effect on molecular beam distribution patterns than any other parameters.
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