風力補助推進装置(ウイングセール)の試設計と性能解析

概要

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This report proposes a new wind propulsion assisted-apparatus, and presents a numerical method for analyzing aero-dynamic characteristics of this apparatus. Firstly, the computer algorithm is made up based upon the Vortex Distribution Method and its validity is discussed. Secondarily, the primary design of a new propulsion assisted-apparatus (the Compositive Wing Sails), which consists of two or three wing sails, is described, and an example of application of the apparatus to an Oil/Chemical Tanker is shown. Finally, a series of numerical calculations are executed for a variety of combinations with wing sections and the example of the apparatus by using the present numerical method. And, its peformance of the ship fitted with the Compositive Wing Sails is examined under varying condition of wind. It is confirmed that the apparatus is a useful method for saving the propulsion power.
1992-03-29