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

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Abstract
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.
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Authors Yue, Chang;Bitian, Sun;Lanzhu, Zhang;
Journal Science progress
Year Year not found
DOI 10.1177/0036850419897221
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Keywords
Numerical Analysis brush seal bristle deformation fluid–solid coupling porous medium

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