2004-08-012024-05-18https://scholars.lib.ntu.edu.tw/handle/123456789/704859摘要：隨著電腦技術的進步，利用高速電腦分析以設計高性能潛艦已是不可迴避的趨勢。本研究之目的在於模擬包含帆罩、控制翼與螺槳之潛體流場。藉由計算流體力學分析因潛體運動所產生之渦漩結構及含自由液面效應之黏性流場，以期設計潛艦表面之最佳外型，從而減少艦體之阻力。分析之結果將與流場量測結果做一比較，以驗證數值平台之正確性。經由本子計畫之執行，預期可達成在不可壓縮流與質量守恆條件下得以分析含螺槳作動之潛體流場，以建立”水下潛體之數值水槽”功能。<br> Abstract: With the technical advancement on computer technology, it is now indispensable to employ the computer-aided design on design of a high-performance submarine. The main objective of this study is to predict the flow field around a submarine with appended sail, controlled foil, and the propeller using the computational fluid dynamics technique. It is aimed to design the optimum submarine shape for reducing the viscous drag from the resulting vortical flow structure. Also, the effect of free surface潛艦計算流體力學渦漩流黏性流submarinecomputational fluid dynamicsvortical