The pressure fluctuation and pipe vibration are the main causes of failures in aircraft hydraulic systems. The vibration and stress test on pipeline is necessary before maiden flight. One method which contains the acceleration and stress analysis was carried out. The test point was estimated with the help of simulation result. The good agreement between the simulation and experiment results shows the validity of this method. The method can provide one effective way to just whether the hydraulic pipeline vibration in aircraft is in safe service.
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王鸿鑫.飞机液压管路系统振动应力测试研究[J].民用飞机设计与研 究,2012(2):32-Wang Hongxin. Aircraft Hydraulic Conveyance System Vibration and Stress Testing Research[J]. Civil Aircraft Design and Research,2012,(2):32-. ( in Chinese)