STP1388

    Oil Flow Studies at Low Temperatures in Modern Engines

    Shaub H
    Published: 2000


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    STP 1388 examines 11 peer-review papers that focus on the latest issues involved in oil flow related engine operation at low temperatures in modern engines (lubricated with modern oils), and provides a good basis for future specification development.

    Over the last six years, at the request of SAE's Fuels and Lubricants Division, ASTM conducted an extensive industry program on cold start and pumpability with modern oils in modern engines. The first seven papers in STP 1388 explore the results of the ASTM Low Temperature Engine Performance (LTEP) task force, which addressed some of the following concerns:

    • To determine if modern engines start on average at lower temperatures than earlier engines designs do

    • To determine if there a "safety margin" between limiting cranking and pumping viscosities in modern engines

    • To determine the cranking and pumping limitations of single grade (non-VI improved) engine oils

    • To assess the benefits and limitations of current methods for identifying oils that could result in pumpability failure in engines.

    The remaining papers address future challenges in the area of pumpability or address work conducted outside the ASTM LTEP Program.


    Table of Contents

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Background and Organization
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Engine Selection and Testing Protocol
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Test Oil Selection and Rheological Analysis
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Cold Start Testing
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Phase I Pumpability Testing
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Phase II Pumpability Testing
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Cold Starting and Pumpability Studies in Modern Engines — Results from the ASTM D02.07C Low Temperature Engine Performance Task Force Activities: Summary and Conclusions
    De Paz E., Girshick F., Henderson K., May C., Rhodes R., Tseregounis S., Ying L.

    Pumpability — Past Accomplishments; Present and Future Challenges
    Selby T.

    Designing Low Temperature Performance for Diverse Basestocks
    Gaines L., Girshick F., Martella D.

    The Relation between Low-Temperature Rheology of Lubricating Mineral Oils and Gelatin Index
    Covitch M., George H., Webber R.

    SAE 5W-30 Pumpability Studies in Modern 4- and 8-Cylinder Engines: Gelation Index and MRV Effects
    Koenitzer B., Lai P., May C.


    Committee: D02

    Paper ID: STP1388-EB

    DOI: 10.1520/STP1388-EB

    ISBN-EB: 978-0-8031-5436-0

    ISBN-13: 978-0-8031-2857-6

    ASTM International is a member of CrossRef.

    0-8031-2857-6
    978-0-8031-2857-6
    STP1388-EB