A Numerical Study of the Sealing and Interstage Pressure Drop Characteristics of a Four-Tooth Three-Stage Brush Combination Seal

A Numerical Study of the Sealing and Interstage Pressure Drop Characteristics of a Four-Tooth Three-Stage Brush Combination Seal

Premature seal failure induced by the unevenness of interstage pressure distribution in multi-stage brush seals significantly compromises the sealing efficiency of Air-Turbo Rocket (ATR) engines operating under high-pressure (megapascal-level) differential conditions. Conventional pressure equalizat...

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Bibliographic Details
Main Authors: Chao Gu, Yingqun Ma, Wei Zhao, Xiuming Sui, Bin Hu, Qingjun Zhao
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Applied Sciences
Subjects:
multistage brush combination seal
interstage pressure drop imbalance characteristics
inhomogeneous entropy change
fractal geometry porous media model
ATR engine
Online Access:https://www.mdpi.com/2076-3417/15/7/3899
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