The problem of automobile low-frequency noise reduction is very important due to the spreading for a long distances without significant absorbtion, passenger discomfort etc. For automobile with internal combustion engine forming of either internal or external noise is mainly caused by engine operation. Complex approach to automobile low-frequency noise attenuation is suggested using active noise control method. Intercommunication of engine compartment and passenger compartment and coherent low-frequency sound radiation by air-suctioning pipe and exhaust pipe are taking into consideration. Mathematical model, experimental unit and methodics of experiment are described. The ways of system protection from the interferences of operating medium are discussed. Construction of active noise control unit designed by author for complex reduction of exhaust and intake engine low-frequency noise is described including electronic schemes and experimental results. The results of calculations and preliminary experiments shows good system operation under different constructive and operating factors.


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    Titel :

    Automobile engine low frequency noise reduction by complex using of active noise control method


    Weitere Titelangaben:

    Reduzierung des niederfrequenten Geräusches eines Automobilmotors durch komplexe Nutzung einer aktiven Schallregelmethode


    Beteiligte:
    Vassiliev, A. (Autor:in)


    Erscheinungsdatum :

    2000


    Format / Umfang :

    8 Seiten, 3 Bilder, 17 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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