A study of the flow field in and around an automotive alternator is described. The approach taken is to test the alternator in water at equivalent in-air Reynolds numbers in order to reduce the rotational velocity by a factor of approximately 15 and provide an environment ideal for flow visualization. The casing and stator were constructed from clear plastic in order to provide visual access inside the alternator. Dye injection flow visualization is used to assess qualitatively the global flow field. Laser Doppler velocimetry is used to perform a detailed, quantitative study of the alternator external flow field. Results from the flow field study are presented and modifications necessary for improved cooling and aerodynamic performance are identified and demonstrated.


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    Titel :

    Flow in automotive alternators


    Weitere Titelangaben:

    Der Kühlluftstrom bei Lichtmaschinen in Kraftfahrzeugen


    Beteiligte:
    Brungart, T.A. (Autor:in) / Meyer, G.A. (Autor:in) / Lauchle, G.C. (Autor:in)


    Erscheinungsdatum :

    1996


    Format / Umfang :

    10 Seiten, 13 Bilder, 9 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Flow in automotive alternators

    Brungart, T.A. | Online Contents | 1996


    Flow in Automotive Alternators

    Brungart, T A / Meyer, G A / Lauchle, G C | SAGE Publications | 1996


    Flow in automotive alternators

    Brungart,T.A. / Meyer,G.A. / Lauchle,G.C. et al. | Kraftfahrwesen | 1996


    Automotive alternators

    Vasilevskii, V. | Tema Archiv | 1974


    Noise Analysis of Automotive Alternators

    Rivin, Eugene / DiSalvo, Michael / Wu, Sean F. | SAE Technical Papers | 1999