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논문 기본 정보

자료유형
학술저널
저자정보
Wang, Hao (Ocean Engineering Program, Texas A&M University, College Station) Falzarano, Jeffrey M. (Ocean Engineering Program, Texas A&M University, College Station)
저널정보
테크노프레스 Ocean systems engineering Ocean systems engineering 제3권 제4호
발행연도
2013.1
수록면
327 - 348 (22page)

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An Oscillating Water Column (OWC) is a relatively practical and convenient device that converts wave energy to a usable form, which is electricity. The OWC is kept inside a fixed truncated vertical cylinder, which is a hollow structure with one open end submerged in the water and with an air turbine at the top. This research adopts potential theory and Galerkin methods to solve the fluid motion inside the OWC. Using an air-water interaction model, OWC design for energy extraction from regular wave is also explored. The hydrodynamic coefficients of the scattering and radiation potentials are solved for using the Galerkin approximation. The numerical results for the free surface elevation have been verified by a series of experiments conducted in the University of New Orleans towing tank. The effect of varying geometric parameters on the response amplitude operator (RAO) of the OWC is studied and modification of the equation for evaluating the natural frequency of the OWC is made. Using the model of air-water interaction under certain wave parameters and OWC geometric parameters, a computer program is developed to calculate the energy output from the system.

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