To date the effects of winds on the computed fuel economy of highway vehicles have been omitted or included in simple ways. This paper presents the results of a rigorous computer study on the realistic effects of winds upon the aerodynamic resistance, and consequently, upon the fuel consumption of automobiles for EPA driving cycles. The aerodynamic resistance was a function of the instantaneous wind direction and speed relative to the car. A wind spectrum having an annual speed of 10 mph will increase the zero-yaw aerodynamic resistance by 16 % for the Combined driving cycle. Several simplistic approaches were evaluated against rigorously obtained results. (Kursetz)


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    Titel :

    Realistic effects of winds on the aerodynamic resistance of automobiles


    Weitere Titelangaben:

    Realistische Auswirkungen der Windbewegung auf den aerodynamischen Widerstand von Automobilen


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    16 Seiten, 5 Bilder, 8 Tabellen, 6 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Realistic Effects of Winds on the Aerodynamic Resistance of Automobiles

    Dayman,B. / Calif.Inst.of Technol.,Jet Propul.Lab.,Pasadena,US | Kraftfahrwesen | 1978



    Aerodynamic resistance of automobiles

    Metral, A. | Engineering Index Backfile | 1934


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