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Citation:
　Tao Zhang,Yongou Zhang,Huajiang Ouyang and Tao Guo.Flow-induced Noise and Vibration Analysis of aPiping Elbow with/without a Guide Vane[J].Journal of Marine Science and Application,2014,(4):394-401.[doi:10.1007/s11804-014-1271-9]
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Flow-induced Noise and Vibration Analysis of a Piping Elbow with/without a Guide Vane

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Title:
Flow-induced Noise and Vibration Analysis of aPiping Elbow with/without a Guide Vane
Author(s):
Tao Zhang;  Yong’ou Zhang;  Huajiang Ouyang and Tao Guo
Affilations:
Author(s):
Tao Zhang;  Yong’ou Zhang;  Huajiang Ouyang and Tao Guo
1. School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, China2. Hubei Key Laboratory of Naval Architecture and Ocean Engineering Hydrodynamics, Huazhong University of Science and Technology, Wuhan 430074, China3. School of Engineering, University of Liverpool, Liverpool L69 3GH, UK
Keywords:
: flow-induced noise;  flow-induced vibration;  piping elbow;  guide vane;  large eddy simulation;  fluid structure interaction;  Actran
分类号:
-
DOI:
10.1007/s11804-014-1271-9
Abstract:
The effect of a guide vane installed at the elbow on flow-induced noise and vibration is investigated in the range of Reynolds numbers from 1.70?105 to 6.81?105, and the position of guide vane is determined by publications. The turbulent flow in the piping elbow is simulated with large eddy simulation (LES). Following this, a hybrid method of combining LES and Lighthill’s acoustic analogy theory is used to simulate the hydrodynamic noise and sound sources are solved as volume sources in code Actran. In addition, the flow-induced vibration of the piping elbow is investigated based on a fluid-structure interaction (FSI) code. The LES results indicate that the range of vortex zone in the elbow without the guide vane is larger than the case with the guide vane, and the guide vane is effective in reducing flow-induced noise and vibration in the 90° piping elbow at different Reynolds numbers.

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Memo

Memo:
Supported by the Independent Innovation Foundation for National Defense of Huazhong University of Science and Technology (No. 01-18-140019).
Last Update: 2014-12-09