한국신재생에너지학회:학술대회논문집
- 2007.06a
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- Pages.621-625
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- 2007
Wave Energy Absorption Efficiency of Pneumatic Chamber of OWC Wave Energy Conveter
진동수주형 파력발전장치 공기챔버의 파력에너지 흡수효율
- Published : 2007.06.21
Abstract
Oscillating wave amplitude in a bottom-mounted owe chamber designed for wave energy converter is investigated by applying characteristic wave conditions in Korean coastal water. The effects of shape parameters of OWC chamber in a view of wave energy absorbing capability are analyzed. Both experimental and numerical approaches are adopted and their results are compared to optimize the shape parameters which can result in a maximum power production under given wave distribution. The experiment was carried out in a wave flume under 2-D assumption of OWC chamber. In numerical scheme, the potential problem inside the chamber is solved by use of the Green integral equation associated with the Rankine Green function, while outer problem with the Kelvin Green function taking account of fluctuating air pressure in the chamber. Air duct diameter, chamber width, and submerged depths of front skirt and back wall of chamber changes the magnitude and peak frequency of wave absorption significantly.
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