Fluid-Structure Interaction Vibration of Hydraulic Pipe System

Jun Zhe Lin; Lei Qin; En Tao Zhou; Bang Chun Wen

doi:10.4028/www.scientific.net/AEF.2-3.822

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HomeAdvanced Engineering ForumAdvanced Engineering Forum Vols. 2-3Fluid-Structure Interaction Vibration of Hydraulic...

Fluid-Structure Interaction Vibration of Hydraulic Pipe System

Abstract:

Based on Newton method, the nonlinear differential equation of FSI vibration of hydraulic pipe on aero-engine has been established. The equation include visco-elastic coefficient, and the dimensionless equation was got. The influence of mass ratio, velocity of fluid and axial force on natural frequency of the pipe was researched by analyzing the FSI vibration equation of the pipe. The influence of fluid pressure on natural frequency was verified by experiment. And vibration response of the pipe was obtained by experiment at different driving frequency. The conclusion of the experiment was consistent with the result of the theory.

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Periodical:

Advanced Engineering Forum (Volumes 2-3)

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822-827

DOI:

https://doi.org/10.4028/www.scientific.net/AEF.2-3.822

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Online since:

December 2011

Authors:

Jun Zhe Lin, Lei Qin, En Tao Zhou, Bang Chun Wen

Keywords:

Complex Modal Method, Fluid-Structure Interaction Vibration, Hydraulic Pipe, Nonlinear Equation

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References

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