We developed a technique to measure oil film pressure distribution in engine main bearings using thin-film pressure sensors. The sensor is 7μm in thickness, and is processed on the surface of an aluminum alloy bearing. In order to increase the durability of the sensor, a layer of MoS2 and polyamide-imide was coated on thin-film sensors. This technique was applied to a 1.4L common-rail diesel engine operated at a maximum speed of 4,500r/min with a 100Nm full load, and the oil film pressure was monitored while the engine was operating. The measured pressure was compared with calculations based on hydrodynamic lubrication (HL) theory.


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    Titel :

    Measurement of Oil Film Pressure in the Main Bearings of an Operating Engine Using Thin-Film Sensors


    Weitere Titelangaben:

    Sae Int. J. Engines


    Beteiligte:
    Kato, Naoya (Autor:in) / Kikuchi, Takashi (Autor:in) / Kataoka, Takumi (Autor:in) / Mihara, Yuji (Autor:in) / Suzuki, Yukikazu (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2008


    Erschienen in:

    Erscheinungsdatum :

    14.04.2008


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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