Viscous torque (windage) of a Lundell-shaped rotor having a major diameter of 20.3 cm (8 in.) rotating within a concentric housing was measured at speeds up to 36,000 rpm. The center cylindrical section of the housing was tested with both a smooth surface and axial slots to simulate alternator winding slots. For concentric cylinders, the range of Reynolds numbers was extended to 70,000. Three radial clearances, 1, 2, and 4 mm (0.04, 0.08, and 0.16in.), corresponding to 1, 2, and 4 percent of the rotor radius, were tested.


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    Titel :

    Correlation of windage-loss data for a Lundell alternator


    Beteiligte:

    Erscheinungsdatum :

    01.02.1972


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Correlation of Windage-Loss Data for a Lundell Alternator

    E. E. Kempke / S. H. Gorland | NTIS | 1972


    Correlation of windage-loss data for a Lundell alternator

    Kempke, Erwin E. / Gorland, Sol H. | TIBKAT | 1972



    Mosfets used in ideal diode circuits for Lundell alternator rectifiers

    Van den Bossche, Alex / Haddad, Salim / Petrov, Dimitar et al. | IEEE | 2018