Pressure Pulsation Analysis of Aircraft Hydraulic Power Pipelines System
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.
Zhengyi Jiang and Chunliang Zhang
W. Liu et al., "Pressure Pulsation Analysis of Aircraft Hydraulic Power Pipelines System", Advanced Materials Research, Vols. 97-101, pp. 2861-2864, 2010