이중 킬 요트의 저항 특성에 관한 연구
A Study of the Resistance Characteristics of Double Keel Yacht
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초록
The resistance performances of a small leisure yacht with two different keels, center and double, respectively, are investigated using a model test at circulating water channel and CFD analysis. Flow patterns around the keels are observed using a tuft test to make clear the relation between the resistance performance and the flow characteristics around the keels. The results show that the keel does not affect free surface flows and that the double keel yacht has better performance compared to a single keel yacht in oblique condition from the resistance point of view.
Abstract
The resistance performances of a small leisure yacht with two different keels, center and double, respectively, are investigated using a model test at circulating water channel and CFD analysis. Flow patterns around the keels are observed using a tuft test to make clear the relation between the resistance performance and the flow characteristics around the keels. The results show that the keel does not affect free surface flows and that the double keel yacht has better performance compared to a single keel yacht in oblique condition from the resistance point of view.
참고문헌 (5)
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- 추경훈, "세일링요트 핀킬 형상별 저항특성 비교연구", 한국항해항만학회지, 30(5), pp.381~385 (2006), 한국항해항만학회
- 현범수, "요트 킬의 형상에 따른 유체력 및 유동특성 연구", 대한조선학회 논문집, 43(4), pp.414~421 (2006), 대한조선학회
- Flay, R.G.J, "A Wind Tunnel Investigation of Yacht Hydrodynamic Side Force and Drag", Journal of Ship Research, 37(4), pp.331~341 (1993)
- Greeley, D.S, "Design and Hydrodynamic Performance of Sailboat Keels", Marine Technology, 26(4), pp.260~281 (1989)