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Numerical evaluation of rotordynamic coefficients for compliant foil gas seal
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. Kunming University of Science and Technology (KUST), CHN.
Kunming University of Science and Technology (KUST), CHN.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.ORCID iD: 0000-0002-9468-9421
Norwegian University of Science and Technology, NOR.
2020 (English)In: Applied Sciences, E-ISSN 2076-3417, Vol. 10, no 11, article id 3828Article in journal (Refereed) Published
Abstract [en]

Compliant foil gas seal is one of the advanced cylindrical gas seal technologies and can be commonly used in the secondary flow system of an aero-engine. It can enhance the dynamic stability of the aero-engine by meeting the steady requirements of the aero-engine seal system. To evaluate the performance of compliant foil gas seal, the steady performance of the gas seal is firstly analyzed to predict the sealing efficiency and obtain the pressure distribution of the gas seal in the compressible flow field. Then, the effects of the operating parameters on the rotordynamic coefficients are analyzed using the finite differential method. It can be used to predict the operation performance of the aero-engine and prepare for the optimization and test rig of compliant foil gas seal on the T-shaped groove. © 2020 by the authors.

Place, publisher, year, edition, pages
MDPI AG , 2020. Vol. 10, no 11, article id 3828
Keywords [en]
Compliant foil gas seal, Numerical evaluation, Rotordynamic coefficients
National Category
Fluid Mechanics and Acoustics Aerospace Engineering
Identifiers
URN: urn:nbn:se:bth-20016DOI: 10.3390/app10113828ISI: 000543385900165Scopus ID: 2-s2.0-85086085074OAI: oai:DiVA.org:bth-20016DiVA, id: diva2:1448860
Note

Open access

The current research has been supported by the China Scholarship Council (grant no. 201708740009).

Available from: 2020-06-29 Created: 2020-06-29 Last updated: 2020-09-07Bibliographically approved

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Numerical Evaluation of Rotordy(3441 kB)127 downloads
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Wang, XueliangKao-Walter, Sharon

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