Dynamic characteristics of open-ends squeeze film dampers with air ingestion-Reference-Cited by-同舟云学术

Dynamic characteristics of open-ends squeeze film dampers with air ingestion

Published:2023-09-05 Issue:0 Volume:0 Page:
ISSN:0334-0082
Container-title:International Journal of Turbo & Jet-Engines
language:en
Short-container-title:

Author:

Tang Zhenhuan¹,Chen Xi²,Zhou Hailun³,Lu Yu¹,He Hongbin³

Affiliation:

1. Hunan Aviation Powerplant Research Institute , AECC , Zhuzhou 412002 , China

2. Wuxi Orient Software Technology Co., Ltd. , Wuxi 214082 , China

3. School of Aero-engine , Shenyang Aerospace University , Shenyang 110136 , China

Abstract

Abstract In order to explore the air ingestion characteristics of the open-ends squeeze film dampers (SFD), a 3D computational fluid dynamics solution model of the SFD was proposed based. The setting of opening boundary conditions was considered, which was verified experimentally by the bidirectional excitation. The results revealed that with the same precession frequency, the smaller radial clearance leads to the greater oil film damping. An increasing oil supply and oil holes led to the smaller air ingestion range at the end. The design guideline for the open-ends SFD was investigated in the present work.

Publisher

Walter de Gruyter GmbH

Subject

Aerospace Engineering

Link

https://www.degruyter.com/document/doi/10.1515/tjj-2023-0032/pdf

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