1. Beijing University of Aeronautics and Astronautics .Beijing 100083 .China; 2. The First Research Institute of PLAAF .Beijing 100076.China 在知网中查找 在百度中查找 在本站中查找
We construct the math巳matic model of an aeroplane hydraulic source system .analyse its frequency characteristic and contrasts the calculation result with the practical test result. The practical test result gets close to the calculation result .it explains the reason why the fixed structure of the pipeline of the aeroplane hydraulic source system has been destroyed many times.