Practical method to estimate drag in 30 to 40 km long submarine tunnel; series of measurements of static pressure difference occurring in front and in rear of train running in particular tunnel were carried out to express aerodynamic drag in terms of friction force along train surface which is related to this pressure difference; equation to determine static pressure difference is derived.


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    Titel :

    Estimation of aerodynamic drag of train in long tunnel


    Weitere Titelangaben:

    Tokyo. Ry Tech Research Inst -- Quarterly Report


    Beteiligte:
    Fukuchi, G. (Autor:in) / Nishizawa, S. (Autor:in)


    Erscheinungsdatum :

    1967


    Format / Umfang :

    4 pages


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Comment on aerodynamic drag of train in tunnel

    Fukuchi, G. | Engineering Index Backfile | 1964


    Wind Tunnel-to-Road Aerodynamic Drag Correlation

    Eaker, Gary W. | SAE Technical Papers | 1988



    Estimation of Vehicle Aerodynamic Drag

    B. Pershing / M. Masaki | NTIS | 1976


    Aerodynamic drag

    Ogorkiewicz, R.M. | Engineering Index Backfile | 1958