Hagen-Poiseuille and thermal transpiration flows of a highly rarefied gas through a circular pipe

被引:2
|
作者
Funagane, Hitoshi [1 ]
Takata, Shigeru [1 ,2 ]
机构
[1] Kyoto Univ, Dept Mech Engn & Sci, Kyoto 6068501, Japan
[2] Kyoto Univ, Adv Res Inst Fluid Sci & Engn, Kyoto 6068501, Japan
关键词
LINEARIZED BOLTZMANN-EQUATION; NUMERICAL-ANALYSIS; CREEP FLOW;
D O I
10.1088/0169-5983/44/5/055506
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
Hagen-Poiseuille and thermal transpiration flows of a highly rarefied gas through a circular pipe are investigated on the basis of the linearized Boltzmann equation for hard-sphere molecules with the diffuse reflection boundary condition. A numerical computation based on an iterative approximation method with an explicit convergence estimate is performed to construct a database of the mass fluxes for an arbitrary value of large Knudsen numbers. The singular behavior of the velocity distribution functions in that rarefied regime is also clarified.
引用
收藏
页数:17
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