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Aircraft hydraulic axial piston pump fundamental pulsation and simulation

Želimir Husnić, Remzo Dedić, Faris Ustamujić, Zlata Jelačić

Abstract: The axial piston pump for aircraft hydraulics systems and other high pressure hydraulic system applications is presented. This paper discusses the pump’s pressure pulsation and the fundamental frequency. Pressure pulsation associated with single piston failure is explained in relation to its fundamental frequency. A predictive approach in maintenance and pump sub system health monitoring is proposed, using numerical modelling and applicable software.
Keywords: pump / axial / piston / hydraulic / modelling / aircraft / maintenance / software / fundamental pulsation

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