Leakage performance predictions of a brush seal based on fluid-solid coupling method

被引：7
|
作者：
Yue, Chang [1 ]
Bitian, Sun [1 ]
Lanzhu, Zhang [1 ]
机构：
[1] East China Univ Sci & Technol, Sch Mech & Power Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China
来源：
SCIENCE PROGRESS | 2020年 / 103卷 / 01期
基金：
美国国家科学基金会;
关键词：
Brush seal; bristle deformation; porous medium; fluid-solid coupling; numerical analysis; FLOW;
D O I：
10.1177/0036850419897221
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
The sealing performance of a brush seal is studied in this article. At present, the mostly used model to analyze the performance of a brush seal is porous medium model in which the effect of bristle deformation is not considered. Here, a combined numerical method is proposed. First, the deformation of bristle is calculated in a fluid-solid coupling model with a simplified bristle model, and then the results of the bristle deformation is imported to a porous media model as the boundary conditions. More accurate media flow and leakage variation law of the brush seal are obtained with this calculation model.
引用
收藏
页数：17
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