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    STP621_S3

    A Simple High Shear Viscometer—Aspects of Correlation with Engine Performance

    Published: 0


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    Abstract

    A simple rotary viscometer has been constructed in which multi-grade oils can be tested at temperatures up to 150°C and at shear rates of up to 4 × 105 s-1. Correlation has been made using this apparatus between multi-grade oil shear stability and engine bearing and cylinder bore wear. However, additional tests demonstrated that the chemical action of anti-wear additives also has a major influence on cylinder bore wear.


    Author Information:

    Pike, WC
    BP Research Centre The British Petroleum Co., Ltd., Middlesex,

    Banks, FR
    BP Research Centre The British Petroleum Co., Ltd., Middlesex,

    Kulik, S
    BP Research Centre The British Petroleum Co., Ltd., Middlesex,


    Committee/Subcommittee: D02.07

    DOI: 10.1520/STP28012S