30피트급 고속 쌍동형 크루즈보트 선형개발과 저항성능에 관한 연구
A Study on Hull Form Development and Resistance Performance of 30ft-class High Speed Catamaran Cruise Boat
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초록
In this study, a 30ft class high speed catamaran cruise boat is designed and resistance performances are investigated by model test at a circulating water tank. Design speed of the boat is 17knots(8.7m/s) and maximum speed is 20knots(10.3m/s) using 330ps twin engine. Each single bodies are designed unsymmetric planing hull considering high speed-length-ratio(Froude number) and wave interaction at inner part of the hull. Small size fins like chine are attached near free surface at each outside of the hull to separate wave along the hull side. The results show that the small chine plays a big role in separating the wave flowing along the hull. However, in the case of relatively heavy boat such as the developed hull, such a small power due to chine can not cause additional lift and cause resistance increase.
Abstract
In this study, a 30ft class high speed catamaran cruise boat is designed and resistance performances are investigated by model test at a circulating water tank. Design speed of the boat is 17knots(8.7m/s) and maximum speed is 20knots(10.3m/s) using 330ps twin engine. Each single bodies are designed unsymmetric planing hull considering high speed-length-ratio(Froude number) and wave interaction at inner part of the hull. Small size fins like chine are attached near free surface at each outside of the hull to separate wave along the hull side. The results show that the small chine plays a big role in separating the wave flowing along the hull. However, in the case of relatively heavy boat such as the developed hull, such a small power due to chine can not cause additional lift and cause resistance increase.
참고문헌 (11)
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