Macroscopic Boundary Conditions on a Solid Surface in Rarefied Gas Flow for a One-Dimensional Nonlinear Nonstationary 12-Moment System of Boltzmann Equations

2019 ◽  
Vol 59 (10) ◽  
pp. 1710-1719
Author(s):  
Sh. A. Akimzhanova ◽  
A. Sakabekov
Keyword(s):  
Boundary Conditions ◽  
Solid Surface ◽  
Gas Flow ◽  
Rarefied Gas ◽  
Rarefied Gas Flow ◽  
Boltzmann Equations ◽  
One Dimensional ◽  
Moment System

scholarly journals The Effect of Boundary Conditions for Highly Rarefied Gas flow

2013 ◽  
Vol 61 ◽  
pp. 284-291
Author(s):  
Olga Rovenskaya ◽  
Giulio Croce
Keyword(s):  
Boundary Conditions ◽  
Gas Flow ◽  
Rarefied Gas ◽  
Rarefied Gas Flow

scholarly journals Study of the pressure distribution along a concentric annular channel

2021 ◽  
Vol 2056 (1) ◽  
pp. 012006
Author(s):  
O V Germider ◽  
V N Popov
Keyword(s):  
Boundary Conditions ◽  
Pressure Distribution ◽  
Gas Flow ◽  
Rarefied Gas ◽  
Annular Channel ◽  
Rarefied Gas Flow ◽  
Bgk Model ◽  
Diffuse Boundary ◽  
Flow Through

Abstract A study of an isothermal rarefied gas flow through a long concentric annular channel is carried out. The solution is based on the linearized BGK model with diffuse boundary conditions and it is valid in the whole range of the rarefaction parameter. The pressure distribution along the channel is obtained and investigated depending on the values of the pressure maintained at the channel ends.

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