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Nonisothermal Free-Molecular Flow of Gas in an Elliptic Channel with a Circular Cylindrical Element Inside

机译:在椭圆通道中的椭圆通道中的气体的非偏离自由分子流量,内部圆柱形元件

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摘要

The linearized problem of free-molecular gas flow in a long elliptic channel with a circular cylindrical element inside has been solved in the kinetic approximation. The flow in the channel is caused by temperature and pressure drops between its ends. The Boltzmann kinetic equation for collisionless gas has been used as a basic equation, and the boundary condition has been set in terms of the diffuse reflection model. The distribution of the mass velocity of the gas over the cross section of the channel has been obtained. The mass flow rate of the gas in the channel versus the temperature and pressure drops between its ends has been calculated. It has been found that the mass flow of the gas substantially depends on the radius of the inner cylinder.
机译:在动力学近似下已经解决了具有圆柱形元件的长椭圆通道中的自由分子气流的线性化问题。 通道中的流动是由其端部之间的温度和压降引起的。 用于碰撞气体的Boltzmann动力学方程已被用作基本方程,并且已经根据漫反射模型来设置边界条件。 已经获得了在通道的横截面上的气体的质量速度分布。 已经计算了通道中气体的质量流量与其端部之间的温度和压降。 已经发现,气体的质量流动基本上取决于内圆柱的半径。

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  • 来源
    《Technical physics》 |2019年第1期|共5页
  • 作者

    Germider O. V; Popov V. N.;

  • 作者单位

    Lomonosov Northern Arctic Fed Univ Arkhangelsk 163002 Russia;

    Lomonosov Northern Arctic Fed Univ Arkhangelsk 163002 Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 Tb13;
  • 关键词

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