강제동요시 OWC형 파력발전 공기챔버의 공기반력 실험연구
A Study of Pneumatic Reaction Force of Air Chamber for an OWC Type Wave Energy Device by Forced Heave Experiments
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Abstract
The effect of frequency and amplitude of the OWC (Oscillating Water Column) motion on the nonlinear reaction forces in an air duct are studied experimentally. Experimental OWC model is idealized as a simple circular cylinder with an orifice type air duct located at the middle of the top rid. Reaction forces due to forced heave oscillation are measured and analyzed. By subtracting the effect of inertia forces and restoring forces, pneumatic damping force and added spring force are deduced. The effects of the frequency and amplitude of the heave motion are discussed. Also, the effects of solidity of the duct on the reaction forces are discussed.
참고문헌 (9)
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