Hydro- and aerodynamic analysis for the design of a sailing yacht |
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| Authors: | Wu-Joan Kim Jaehoon Yoo Zhengshou Chen Shin Hyung Rhee Hye-Ryoun Chi Haeseong Ahn |
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| Institution: | (1) Department of Ocean Engineering, Mokpo National University, Jeonnam, Korea;(2) Department of Naval Architecture and Ocean Engineering, Research Institute of Marine Systems Engineering, Seoul National University, Seoul, Korea;(3) Daewoo Shipbuilding and Marine Engineering Co., Ltd, Gyeongnam, Korea;(4) Maritime and Ocean Engineering Research Institute, Korea Ocean Research and Development Institute, Daejeon, Korea; |
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| Abstract: | The results of the design analysis for a sailing yacht’s hull and sails are reported. The results were used to confirm the
design of a 30 ft long sloop, which was planned, designed, and built in Korea for the first time in history. Flows around
a sailing yacht above and under the free surface were analyzed separately using both computational and experimental methods.
For the underwater flow analysis, turbulent flow simulations with and without free surface wave effects were carried out for
the canoe hull with keel/rudder. The computed drag and side forces on the hull model were compared with the measurement data
obtained from the towing tank experiments. In order to assess the sail performance, another set of computations was carried
out for the flow around a sail system composed of main and jib sails with a mast. The present study demonstrates that, for
the design analysis of a sailing yacht, computational fluid dynamics techniques can be utilized with a reasonable level of
confidence. |
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