THEORY FOR HINGED WAVEMAKERS OF FINITE DRAFT IN WATER OF CONSTANT DEPTH.

The first-order linearized hydrodynamic equations of motion are solved to obtain the velocity potential, which is composed of a wave part and a spatially transitory part. Characteristics of generated waves far away from the wavemaker are analyzed as to the wave profile, flap stroke, water particle excursions, and power consumption of the wavemaker. The importance of the spatially transitory part is discussed with regard to the role played by the inertia pressure, which gives rise to added inertia of the flap. Surface elevations very near the flap are found. The hydrodynamically induced torque and the total hydrodynamic force on the flap are computed. The computed results seem to be well explained by the differing behaviors of the normal pressure and of the inertia pressure with increasing water depth.
Publisher
American Institute of Aeronautics and Astronautics
Issue Date
1976-01
Language
ENG
Citation

JOURNAL OF HYDRONAUTICS , v.10, no.1, pp.2 - 7

URI
http://hdl.handle.net/10203/57759
Appears in Collection
ME-Journal Papers(저널논문)
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