Pressure pulsation analysis of aircraft hydraulic power pipelines system

被引：4
|
作者：
Liu, Wei [1 ]
Wei, Tao [2 ]
Yue, Zhu Feng [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Mech Engn, Xian 710129, Peoples R China
[2] Xian North Huashan Mech & Elect Co Ltd, CNGC, Xian 710043, Peoples R China
来源：
MANUFACTURING SCIENCE AND ENGINEERING, PTS 1-5 | 2010年 / 97-101卷
基金：
美国国家科学基金会;
关键词：
pressure pulsation; pipelines; transfer function; frequency-dependent friction;
D O I：
10.4028/www.scientific.net/AMR.97-101.2861
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The output pressure pulsation model for the aircraft hydraulic power pipelines was established by the methods of transfer function and fluid network chain-rules; the dissipation caused by frequency-dependent friction was taken into account. Dynamic characteristics of hydraulic system were discussed in frequency-domain and time-domain respectively, the pumping excitation frequency influenced the frequency-response of hydraulic pipeline system, and several resonance frequency bands were obtained. The inverse fast Fourier transform was applied to simulate the transient pressure pulsation waves under pump starting and steady-running state.
引用
收藏
页码：2861 / +
页数：2
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