Noise emission is often considered to be one of the major drawbacks of fluid power systems. One of the main sources of noise is flow ripple generated by positive displacement pumps. This paper is concerned with the problems of modelling and measurement of flow ripple with emphasis on measurement techniques.Measurements are performed according to the so-called “Two-Microphone Method”. This technique makes it possible to determine the source characteristics of the pump, i.e. both the source flow and source impedance. The technique is described in detail.Measurements have been performed on a piston pump equipped with a number of different port plate geometries. Experimental results are compared with results obtained from numerical simulation.


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    Titel :

    Methods of Reducing Flow Ripple from Fluid Power Piston Pumps - an Experimental Approach


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    International Off-Highway & Powerplant Congress & Exposition ; 1991



    Erscheinungsdatum :

    01.09.1991




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Methods of Reducing Flow Ripple from Fluid Power Pumps - a Theoretical Approach

    Palmberg, Jan-Ove S. / Weddfelt, Kenneth G. / Pettersson, Maria E. | SAE Technical Papers | 1991



    Experimental Determining and Theoretical Predicting of Source Flow Ripple Generated by Fluid Power Piston Pumps

    Kojima, Eiichi / Yu, Jinghong / Ichiyanagi, Takayoshi | SAE Technical Papers | 2000


    Simulation of Suction Flow Ripple in Power Steering Pumps

    Jones, B. L. / Johnston, D. N. / Longmore, D. K. et al. | British Library Conference Proceedings | 1998


    Simulation of Suction Flow Ripple in Power Steering Pumps

    Jones, B. L. / Longmore, D. K. / Johnston, D. N. | SAE Technical Papers | 1998