Numerical Simulation and Analysis of Low Hysteresis Brush Seals

Jia Dong Chi; Zhi Li Wang; Li Ke Li

doi:10.4028/www.scientific.net/AMR.452-453.1455

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 452-453Numerical Simulation and Analysis of Low...

Numerical Simulation and Analysis of Low Hysteresis Brush Seals

Abstract:

To better understand the bristle behavior and leakage performance in brush seals, a Computational Fluid Dynamics (CFD) model has been developed, in which the brush is treated as an anisotropic porous region with nonlinear resistance coefficients. With the calculated pressure distribution and the cantilever beam theory, aerodynamic and contact forces on bristles are calculated utilizing the Finite Element Method; and bristle deflections in the axial direction and in the orthogonal plane are obtained. Subsequently their influences on friction force and torque are evaluated. Computed different kinds of low hysteresis brush seals, discuss the effect of size parameters of front plate and back plate on low hysteresis brush seals.

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Periodical:

Advanced Materials Research (Volumes 452-453)

Pages:

1455-1459

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.452-453.1455

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Online since:

January 2012

Authors:

Jia Dong Chi, Zhi Li Wang, Li Ke Li

Keywords:

Aerodynamic Force, Bristle Deflection, Brush Seal, Computational Fluid Dynamics (CFD), Contact Force, Size Parameter

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