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端盖有供取料的旋转圆筒中粘性气体流场的数值分析

A NUMERICAL ANALYSIS FOR THE FLOW FIELD OF VISCOUS GAS IN A ROTATING CYLINDER WITH GAS FEEDING AND DEPLETING ON ITS TOP OR BOTTOM

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【作者】 黄东涛傅瑞峰时爱民

【Author】 Huang Dongtao, Fu Ruifeng; Shi Aimin (Tsing Hua University)

【机构】 清华大学清华大学

【摘要】 <正> 研究气体离心装置中的二次环流是一些工程问题中十分感兴趣的课题。二次环流可由各种外部驱动引起。文献[5,6,7]从线化的Navier-Stokes方程出发,对封闭旋转圆筒因机械驱动和热驱动及有隔板的流场进行了数值和渐近分析。 进取料引起的驱动,由于料口附近较强的对流及较复杂的边界条件,基于线性化理

【Abstract】 Using a modified Beam-Warming finite difference scheme, thepaper proposes a successful numerical method to calculate the flow field in a rotating cylinder with a gas feeding on its bottom and and depleting both on the top and bottom. In this way, the nonsteady Navier-Stokes equations are considered as governing equations and the time-depedent process are employed to get a steady solution. Because the scheme mentioned above has unconditional stability and the proper treatment of boundary conditions, the numerical experiments confirm that the method has a pretty well stability and exhibit some important behaviour of rotating fluid.

  • 【文献出处】 空气动力学学报 ,Acta Aerodynamica Sinica , 编辑部邮箱 ,1984年03期
  • 【被引频次】1
  • 【下载频次】36
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