Pressure Pulsation Analysis of Aircraft Hydraulic Power Pipelines System

Wei Liu; Tao Wei; Zhu Feng Yue

doi:10.4028/www.scientific.net/AMR.97-101.2861

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Pressure Pulsation Analysis of Aircraft Hydraulic...

Pressure Pulsation Analysis of Aircraft Hydraulic Power Pipelines System

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

2861-2864

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.2861

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Online since:

March 2010

Authors:

Wei Liu, Tao Wei, Zhu Feng Yue

Keywords:

Frequency-Dependent Friction, Pipeline, Pressure Pulsation, Transfer Function

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References

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