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Determination of hydrodynamic coefficients by force excitation on free sailing ship models
de Vries, W.A. (1989). Determination of hydrodynamic coefficients by force excitation on free sailing ship models. Publications - Delft Hydraulics, 427. Delft Hydraulics Laboratory: Delft. 16 pp.
Part of: Publications - Delft Hydraulics. Delft Hydraulics: Delft. ISSN 0923-9022, more
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Keywords
    Analysis
    Coefficients
    Equipment
    Forces
    Manoeuvrability
    Models > Scale models > Ship models
    Physics > Mechanics > Fluid mechanics > Hydrodynamics
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  • de Vries, W.A.
Abstract
    DHL has developed a special model testing technique for determination of manoeuvring coefficients, which is used in combination with straight line towing. A free sailing ship model is provided with two air propellers. These propellers excert lateral forces, which are controlled by a computer.

    The paper discribes the system, including the instrumentation and method of analysis. Some results of recent investigations are shown and further applications of the system are discussed.
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