Effects of Uncertainty and Quasi-Chaotic Geometry on the Leakage of Brush Seals | Zendy

Alexander Fuchs | Zendy; Oskar Haidn | Zendy

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Effects of Uncertainty and Quasi-Chaotic Geometry on the Leakage of Brush Seals

Author(s) -

Alexander Fuchs,

Oskar Haidn

Publication year - 2018

Publication title -

journal of turbomachinery

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.972

H-Index - 112

eISSN - 1528-8900

pISSN - 0889-504X

DOI - 10.1115/1.4041081

Subject(s) - bristle , brush , leakage (economics) , computational fluid dynamics , mechanics , turbulence , chaotic , discretization , seal (emblem) , transverse plane , flow (mathematics) , fluid dynamics , geometry , physics , computer science , mathematics , engineering , mechanical engineering , structural engineering , mathematical analysis , geography , artificial intelligence , economics , macroeconomics , archaeology

December 16-21, 2017 Abstract is paper presents a brief review of the experimental and theoretical state of the art regarding the leakage ow prediction of brush seals. e authors model a computational uid dynamics based approach for the leakage ow of brush seals. e brush seal is treated by its real geometrical structure, namely numerous bristles in an array in transverse ow. For the inner composition of the package, two diering textures are chosen to study their inuence on the leakage behavior. Furthermore, for each texture multiple inter-bristle distances, pressure ratios and turbulence models are evaluated. In addition, the inuence of not regular arrangement congurations, which form a quasi-chaotic inner structure, are studied. e gained results are compared to other authors’ experimental and numerical data.

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