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Dynamical analysis of a two dimensional turbomachine blade with the coupling of bending and torsion

Dynamical analysis of a two dimensional turbomachine blade with the coupling of bending and torsion
Dynamical analysis of a two dimensional turbomachine blade with the coupling of bending and torsion
Blades of turbomachine are important components to produce power like turbines or pressure compressors working in a complicated condition with high pressure, high temperature and three dimensional air flows as well. The aeroelastic problem like flutter may occur during different working states. Flow-induced vibration of the blade with the coupling of bending and torsion is investigated to reveal the mechanism of flutters. Averaging method and power flow approach are used to demonstrate the flutter behaviours of interaction between an isolated blade and the quasi-steady flow. The relation between amplitudes and the frequency of blades vibration is given to predict flutters, which is beneficial to aeroelastic designs of the turbomachine.


blade flutter, averaging method, power flow approach, aeroelastic design
199-205
Dan, Wang
5b008634-b3f4-445b-b16c-8dfcb2ea55de
Yushu, Chen
f4b71af8-cd66-411b-8b9a-ec524a3e77a7
Qingjie, Cao
4f405e44-d556-43f8-b1d4-6f35c424cabd
Yeping, Xiong
51be8714-186e-4d2f-8e03-f44c428a4a49
Dan, Wang
5b008634-b3f4-445b-b16c-8dfcb2ea55de
Yushu, Chen
f4b71af8-cd66-411b-8b9a-ec524a3e77a7
Qingjie, Cao
4f405e44-d556-43f8-b1d4-6f35c424cabd
Yeping, Xiong
51be8714-186e-4d2f-8e03-f44c428a4a49

Dan, Wang, Yushu, Chen, Qingjie, Cao and Yeping, Xiong (2014) Dynamical analysis of a two dimensional turbomachine blade with the coupling of bending and torsion. Journal of Vibration and Shock, 33 (7), 199-205.

Record type: Article

Abstract

Blades of turbomachine are important components to produce power like turbines or pressure compressors working in a complicated condition with high pressure, high temperature and three dimensional air flows as well. The aeroelastic problem like flutter may occur during different working states. Flow-induced vibration of the blade with the coupling of bending and torsion is investigated to reveal the mechanism of flutters. Averaging method and power flow approach are used to demonstrate the flutter behaviours of interaction between an isolated blade and the quasi-steady flow. The relation between amplitudes and the frequency of blades vibration is given to predict flutters, which is beneficial to aeroelastic designs of the turbomachine.


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More information

Published date: March 2014
Related URLs:
Keywords: blade flutter, averaging method, power flow approach, aeroelastic design
Organisations: Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 363643
URI: http://eprints.soton.ac.uk/id/eprint/363643
PURE UUID: f59c78e0-d3e1-477b-8bef-fed0bc9df268
ORCID for Xiong Yeping: ORCID iD orcid.org/0000-0002-0135-8464

Catalogue record

Date deposited: 28 Mar 2014 09:06
Last modified: 20 Jul 2019 01:07

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Contributors

Author: Wang Dan
Author: Chen Yushu
Author: Cao Qingjie
Author: Xiong Yeping ORCID iD

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