This paper discusses an engineering technique for evaluating the performance of fluidborne noise attenuators based on parameters of pressure drop as a function of flow rate and pressure ripple attenuation as a function of frequency. The selection of pressure ripple measurement points, the number of measurement points, and the interpretation of the test results are related to acoustical plane wave theory. Specific recommendations are made for a reference level and reference center frequencies for reporting transmission loss in dB.This paper discusses an engineering technique for evaluating the performance of fluidborne noise attenuators based on parameters of pressure drop as a function of flow rate and pressure ripple attenuation as a function of frequency. The selection of pressure ripple measurement points, the number of measurement points, and the interpretation of the test results are related to acoustical plane wave theory. Specific recommendations are made for a reference level and reference center frequencies for reporting transmission loss in dB.


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    Titel :

    Fluidborne Noise Attenuator Performance Evaluation


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Maroney, G. E. (Autor:in) / Wehr, S. E. (Autor:in)

    Kongress:

    1975 SAE International Off-Highway and Powerplant Congress and Exposition ; 1975



    Erscheinungsdatum :

    01.02.1975




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Hydraulic Fluidborne Noise Mechanics

    Skaistis, Stanley J. | SAE Technical Papers | 1975





    Fluidborne noise attenuator performance evalution.

    Maroney,G.E. / Wehr,S.E. / State Univ., Oklahoma et al. | Kraftfahrwesen | 1975