Browse > Article
http://dx.doi.org/10.7837/kosomes.2017.23.5.566

A Study on the Resistance Characteristics of Leisure Boat According to Chine Shape  

Kim, Juyeol (Department of Naval Architecture and Ocean Engineering, Kunsan National University)
Choi, Junho (Department of Naval Architecture and Ocean Engineering, Kunsan National University)
Oh, Jungkeun (Department of Naval Architecture and Ocean Engineering, Kunsan National University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.23, no.5, 2017 , pp. 566-573 More about this Journal
Abstract
The chine of high speed vessels does not only play a role in changing position when planing but also helps balancing the hull. It also has a great influence on resistance performance. However, designing a chine requires a lot of experience because it is influenced by various factors such as displacement, transom shape, draft and width. Such a design is not based on an empirical formula, but the purpose of this study is to provide basic guidelines regarding the shape of chine through calculation. This design was developed using Yacht-one, a commercial design program, and analysis was performed using Star-CCM+, also a commercial analysis program. Analysis of the hull selected in this study was carried out by Dynamic Fluid Body Interaction (DFBI) method. Analysis of the chine was carried out at chine angles of 15, 16, 17, and 19degrees, at a speed of 30knots. The result indicated that the highest trim occurred at 16 degrees among the four chine angles considered, and the highest heave occurred at 15degree. In terms of resistance performance, minimum resistance was observed at 16 degrees. Consequently, for minimum ship resistance, it is necessary to complete calculations in accordance with the chine angles, ${\pm}2$ degrees from the initial chine angle, which should be carried out a the design stage.
Keywords
DFBI method; Chine; Flow analysis; High speed vessel; Planing position; Resistance performance;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 Akimoto, H., J. C. Park and Y. B. Ock(2012), CFD Simulation of KCS with 2-DOF Motion in Regular Head Sea, Journal of the Korean Society of Marine Environment & Safety, 2012. 5, pp. 1446-1449.
2 Kim, D. J., K. P. Rhee and H. S. Park(2009), A Study on the Effects of Weight and Center of Gravity of a Planning Craft on Running Attitude, Journal of the Society of Naval Architects of Korea, Vol. 46, No. 3, pp. 335-342.   DOI
3 Lee, D. H., J. M. Lew and D. S. Kang(2006), Effect of Stern Wedge on the Wave Marking Resistance of Chine Hull Form, Journal of the Korean Society for Marine Environmental Engineering, Vol. 9, No. 2, pp. 92-97.
4 Murray, A. B.(1950), The Hydrodynamics of Planing Hulls, Society of Naval Architects and Marine Engineers (U. S.). New England section.
5 Oh, D. K., C. W. Lee and U. C. Jung(2013), A Study on the Basic Design and its Characteristics of 50ft-class CFRP Cruise Boat, Journal of The Korean Society of Marine Environment & Safety, Vol. 19, No. 6, pp. 674-680.   DOI
6 Park, C. H., B. H. Park and J. D. Park(2013), Manufacture of Portable Inflatable Kayak Using Ultra High Pressure Drop Stitch, Korean Institute of Navigation and Port Research, Vol. 37, No. 5, pp. 551-558.   DOI