Engine tests are widely used to measure the ability of lubricating oils to reduce fuel consumption through improved mechanical efficiency. Previous publications have correlated laboratory-scale tests with the well-established Sequence VI and VIA engine methods. The present paper uses a matrix of 66 oils to produce an empirical model for the recently developed Sequence VIB engine test. A smaller matrix of oils was available for correlation with Sequence VI and VIA results. The models combine a purposely-designed friction test with conventional measures of kinematic and high-temperature high-shear viscosity. Good correlation was obtained with the Sequence VI, VIA and VIB results, as well as each of the five stages in the Sequence VIB test. The effects of lubricant oxidation in the 96-hour FEI-2 portion of the Sequence VIB test were similar for each of the oils. As a result, good correlation was observed between FEI-1 and FEI-2 results from the VIB test.


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    Titel :

    Predicting Sequence VI, VIA, and VIB Engine Tests Using Laboratory Methods


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Lacey, P. I. (Autor:in)

    Kongress:

    International Spring Fuels & Lubricants Meeting ; 2001



    Erscheinungsdatum :

    2001-05-07




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Predicting sequence VI, VIA and VIB engine tests using laboratory methods

    Lacey,P.I. / Southwest Research Inst.,San Antonio,US | Kraftfahrwesen | 2001


    Predicting Sequence VI and VIA Fuel Economy from Laboratory Bench Tests

    Bovington, C. / Spikes, H. A. / Anghel, V. | SAE Technical Papers | 1996




    Base Oil Effects in Sequence IIID and Sequence V-D Engine Tests

    Hogue, Charles H. / Barrer, Daniel E. / Supp, James A. et al. | SAE Technical Papers | 1989