For a first approximation the air flow around the airship hull is assumed to obey the laws of perfect (i.e. free from viscosity) incompressible fluid. The flow is further assumed to be free from vortices (or rotational motion of the fluid). These assumptions lead to very great simplifications of the formulae used but necessarily imply an imperfect picture of the actual conditions. The value of the results depends therefore upon the magnitude of the forces produced by the disturbances in the flow caused by viscosity with the consequent production of vortices in the fluid. If these are small in comparison with the forces due to the assumed irrotational perfect fluid flow the results will give a good picture of the actual conditions of an airship in flight.


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    Titel :

    Notes on aerodynamic forces on airship hulls


    Beteiligte:
    Tuckerman, L B (Autor:in)

    Erscheinungsdatum :

    01.03.1923


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch





    The aerodynamic forces on airship hulls

    Munk, Max M. | TIBKAT | 1923


    The aerodynamic forces on airship hulls

    Munk, M.M. | Engineering Index Backfile | 1924