강제동요시 OWC형 파력발전 공기챔버의 공기반력 실험연구

• Published in: Han-guk haeyang gonghak hoeji (Online) Vol. 19; no. 3; pp. 11 - 17
• Main Authors: 홍석원(SEOK-WON HONG), 최학선(HARK-SUN CHOI), 류재문(JAE-MOON LEW), 김진하(JIN-HA KIM)
• Format: Journal Article
• Language: Korean
• Published: 한국해양공학회 2005
• Subjects: 해양공학; Forced Heave Experiments 강제동요장치; Wave Energy 파력에너지; Pneumatic Reaction Force 공기반력; OWC 진동수주; Air Chamber 공기챔버
• ISSN: 1225-0767; 2287-6715

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 owe model is idealized as a simple circular cylinder with an orifice type air duct located at the middle oj 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.