Fluid-Structure Interaction Vibration of Hydraulic Pipe System

被引：1
|
作者：
Lin, Junzhe [1 ]
Qin, Lei [1 ]
Zhou, Entao [1 ]
Wen, Bangchun [1 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang, Liaoning Provin, Peoples R China
来源：
MECHATRONICS AND INFORMATION TECHNOLOGY, PTS 1 AND 2 | 2012年 / 2-3卷
关键词：
nonlinear equation; hydraulic pipe; fluid-structure interaction vibration; complex modal method; CONVEYING FLUID; MOTION;
D O I：
10.4028/www.scientific.net/AEF.2-3.822
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
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.
引用
收藏
页码：822 / 827
页数：6
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