In order to clarify the generation mechanism of engine noise, which is a significant problem in the fast-burn engine, the behavior of the crankshaft, the force transferred to the main bearing caps supporting the crankshaft, and the deformation of the cylinder block were analyzed during engine firing.As a result, it was determined that the crankshaft which deflects due to inertial force pushes the bearings violently under combustion pressure and causes intense fore-and-aft vibration of the bearings, which in turn causes vibration of the cylinder-block skirt. This is a main cause of combustion noise.


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    Titel :

    An Analysis of the Movement of the Crankshaft Journals during Engine Firing


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    Passenger Car Meeting & Exposition ; 1981



    Erscheinungsdatum :

    1981-06-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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