Proceedings of the Korea Committee for Ocean Resources and Engineering Conference (한국해양공학회:학술대회논문집)
- 2004.11a
- /
- Pages.212-219
- /
- 2004
A Study of Pneumatic Reaction Force of Air Chamber for an OWC type Wave Energy Device by Forced Heave Experiments
강제동용시 OWC형 파력발전 공기챔버의 공기반력 실험연구
-
CHOI Hark-Sun
(Ocean Development System Laboratory, KORDI)
;
- LEW Jae-Moon (Chungnam National University) ;
-
HONG Seok-Won
(Ocean Development System Laboratory, KORDI)
;
- KIM Jin-Ha (Ocean Development System Laboratory, KORDI)
- Published : 2004.11.01
Abstract
The effect of frequency and amplitude of the OWC (Oscillating Water Column) motion on the nonlinear reaction forces in an air duct arc 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.
Keywords