지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Since most merchant vessels are mainly influenced by the added resistance in an actual sea, they could be navigated more efficiently if this added resistance could be precisely predicted and then effectively reduced. In this paper, we have computed the effective horsepower based on the resistance performance in still water and then calculated the added resistance in regular wave in order to estimate a ship's propulsion performance on a voyage. Firstly, we have performed experiments using a model of KCS in a circulating water channel to estimate the flow characteristics around a container ship and the ship's resistance in still water. Then we have calculated the motion response function in regular wave as well as the values for the increase in resistance, and evaluated the ship's motion performance in waves according to the calculated response function. It was found that the resistance in waves increased because the ship's motion response value became larger as the ship's speed increased in the case of head sea. The effect of the added resistance could be reduced by maneuvering the ship to the encounter angle of 120° in areas of long wavelengths and to head sea in areas of short wavelengths.
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참고문헌 (9)
참고문헌 신청
Faltinsen, O. M. / 1980 / Prediction of Resistance and Propulsion of a Ship on a Seaway / Proceeding of 13th Symposium On Naval Hydrodynamics : 505 ~ 529
Hong, D. C. / 2001 / On the Calculation of Added Resistance of a Ship by Maruo's Formula / Proceeding of the Spring Conference of the Korean Society of Ocean Engineers : 202 ~ 207
Kashiwagi, M. / 2000 / A Study on Ship Motion and Added Resistance in Waves / Journal of the Kansai Society of Naval Architects of Japan (234) : 85 ~ 94
Maruo, H. / 1980 / Calculation of Added Resistance in Oblique Waves / Journal of the Society of Naval Architects of Japan 147 : 79 ~ 84
Naito, S. / 1985 / Added Resistance in Short Length Waves on Ship Forms with Blunt Bow / Journal of the Kansai Society of Naval Architects of Japan 197 : 39 ~ 45
Hong, D. C. / 2001 / On the Calculation of Added Resistance of a Ship by Maruo's Formula / Proceeding of the Spring Conference of the Korean Society of Ocean Engineers : 202 ~ 207
Kashiwagi, M. / 2000 / A Study on Ship Motion and Added Resistance in Waves / Journal of the Kansai Society of Naval Architects of Japan (234) : 85 ~ 94
Maruo, H. / 1980 / Calculation of Added Resistance in Oblique Waves / Journal of the Society of Naval Architects of Japan 147 : 79 ~ 84
Naito, S. / 1985 / Added Resistance in Short Length Waves on Ship Forms with Blunt Bow / Journal of the Kansai Society of Naval Architects of Japan 197 : 39 ~ 45
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