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Optimized Design on Ringsail and Study on Application of Energy-saving of Sail-Assisted Ship

Author: GuoShuai
Tutor: LiuYinDong
School: Dalian Maritime University
Course: Design and manufacture of ships and marine structures
Keywords: Propulsion with sail Optimized ringsail FLUENT Power gain Routeoptimization
CLC: U664.31
Type: Master's thesis
Year: 2012
Downloads: 76
Quote: 2
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Abstract


This paper propose an optimized ring sail according to Aerodynamic Principle. Prove this improved windsurfing performance is better than conventional arc windsurfing;This also aids to make a comprehensive energy analysisn on the effect of avigation on the wing sail ship.,study the initial angle of heel and yaw angle of the adverse effects of ship resistance, and maker a comparison to the previous actual percentage of the power;By using the payback period indicator,there comes to the economic feasibility of wing sail ship in this article. This paper srudied on the optimization method of shipping line installed hard airfoil. It is energy-saving power for the route that was the objective function and considered Nautical geography, Ocean wind conditions and so on. A shipping line for airfoil ship optimization design method was raised.Using the bulk freighter of 80000 tons which installing wind sail designed this article and sailing on Qingdao-Jida as an example, checking and calculating the contents above,the result demonstrated that this wind sail help sailing thrust can saved 8.39% Machine power before corrected and 7.11% after corrected; the initial investment of wind sail mentioned above have a good economic return. Take Singapore-Taiwan route as an illustration, reference routes and existing route were calculated and analyzed. A maximum energy-saving optimization route was raised in accordance with this method. The result showed that on the optimized route per unit area of sailing saved energy power 463.95w,76.7% more than existing route.

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CLC: > Transportation > Waterway transport > Marine Engineering > Ship machinery > Marine propulsion device > Paddles, oars,sails
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