Two-dimensional model mathematical simulation of brush seals

WANG Zhi-li; LIANG Xiao-feng; HUANG Qi-wu

Chinese

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Two-dimensional model mathematical simulation of brush seals

更新时间：2026-07-07

- Two-dimensional model mathematical simulation of brush seals
- Vol. 23, Issue 8, (2008)
- 作者机构：
  
  1. 北京航空航天大学机械工程与自动化学院,北京,100191
  2. 四川九洲电器集团有限责任公司第二研究所,绵阳,621000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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WANG Zhi-li, LIANG Xiao-feng, HUANG Qi-wu. Two-dimensional model mathematical simulation of brush seals[J]. 2008, 23(8).
DOI：

WANG Zhi-li, LIANG Xiao-feng, HUANG Qi-wu. Two-dimensional model mathematical simulation of brush seals[J]. 2008, 23(8). DOI：

摘要

应用计入刷丝变形影响的各向异性多孔介质模型

用阻抗力表示刷丝对流动介质的阻碍作用

并将其作为Navier-Stoke方程的源项

以有限体积和SIMPLE算法为基础建立计算模型.通过流场计算

得到刷式密封的压力分布、速度分布以及泄漏量等.并根据计算结果分析结构和工况参数对刷式密封性能的影响.比较分析表明所述方法在刷式密封分析中具有实用价值.

Abstract

The anisotropic porous model covering the bristles bending deflections was used to establish the calculation model.The effect of bristles for the flow media was considered a resistance force

which was added into N-Sequation as a source term.The model was established on the basis of the Finite Volume Method and the SIMPLEmethod.To this effect

the pressure field

velocity vectors distribution and leakage of brush seal were obtained from calculation of flow field.The influences of main parameters

such as: structure and working condition

on the sealing performance of brush seals

were analyzed and compared

showing that this method is suitable for the study of the brush seals.

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Related Institution

Key Lab for Power Transmission of Aero Engine，Shenyang Engine Research Institute，Aero Engine Corporation of China

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