Automotive coolant pumps conform to none of the traditional criteria necessary for predicting centrifugal pump performance. Most methods rely upon calculating flow throughput using Euler's theory of vortices. Empirical formulae for incurred energy losses, modify Euler's calculations, thereby estimating actual performance. The technique has limitations, suited only to large capacity pumps, operating at constant speed, with zero friction head. This approach in predicting performance of small capacity, variable speed applications, with a large friction head, is questionable. The paper highlights predictive modelling techniques, and considers the relationship between geometry and optimal performance in small centrifugal pumps, incorporating related energy losses.


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    Title :

    Performance prediction of automotive centrifugal coolant pumps


    Additional title:

    Leistungsvorhersage von Zentrifugalpumpen für Kühlmittel in Fahrzeugen


    Contributors:
    Moore, J.W. (author) / Atkinson, G.A. (author) / Ridding, T. (author)


    Publication date :

    1997


    Size :

    18 Seiten, 12 Bilder, 7 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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