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A study on motion of a BBDB type OWC wave energy device considering pneumatic damping coefficients in the duct
- Authors
- Kim, J.-H.; Lew, J.-M.; Hong, D.-C.; Kim, Y.-S.; Choi, H.-S.; Hong, S.-W.
- Issue Date
- 2007
- Keywords
- Bbdb(backward-bent duct buoy); Model test; Numerical simulation; OWC(oscillating water column); Pneumatic damping coefficient; Regression analysis
- Citation
- Proceedings of the International Offshore and Polar Engineering Conference, pp 483 - 488
- Pages
- 6
- Journal Title
- Proceedings of the International Offshore and Polar Engineering Conference
- Start Page
- 483
- End Page
- 488
- ISSN
- 1098-6189
- Abstract
- The motions of floating BBDB (backward-bent duct buoy) wave energy absorbers with an orifice type air-duct located at the middle of the top lid in regular waves are calculated taking account of the oscillating surface-pressure due to the pressure drop in the air chamber above the oscillating water column within the scope of the linear wave theory. A series of model tests has been conducted in order to verify the motion responses in regular waves at the ocean engineering basin, MOERI/KORDI. The pneumatic damping through an orifice-type duct for the BBDB wave energy device are deduced from experimental research. Numerical simulation for motion responses of the BBDB wave energy device considering pneumatic damping coefficients has been carried out and the results are compared with those of model tests. Copyright ？ 2007 by The International Society of Offshore and Polar Engineers(ISOPE).
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Related Researcher
- Kim, Young Shik
- 친환경해양개발연구본부 (친환경연료추진연구센터)