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題 名 | 潛艦幾何外形與流場特性之基礎研究=Preliminary Study on Submarine's Geometry and Flow Characteristics |
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作 者 | 郭真祥; 陳彥均; 簡鴻斌; 趙修武; | 書刊名 | 中正嶺學報 |
卷 期 | 32:2(A) 民93.05 |
頁 次 | 頁209-219 |
分類號 | 597.67 |
關鍵詞 | 潛艦; 實船尺寸雷諾數; 形狀因子; 接面渦漩; Submarine; Full-scale reynolds number; Form factor; Juncture vortex; |
語 文 | 中文(Chinese) |
中文摘要 | 本文研究了一艘真實柴油潛艦的幾何外形與其流場特性,首先仿製出德國 209-1400 型潛艦(含帆罩與控制翼) 之三維幾何外形,並利用計算流體力學方法研究此潛艦之流場,分別針對實船尺寸與模型尺寸雷諾數,進行仿德國 209 型潛艦之穩態紊流場計算。從計算所得的結果,本文針對與潛艦性能相關的幾個重要課題加以分析,其中包含了潛艦之阻力成份、不同雷諾數下的形狀因子、潛艦帆罩對阻力之影響、潛艦螺槳跡流、潛艦帆罩之接面渦漩等,本文並且進一步探討能夠改善潛艦相關性能的方法,以便因應未來開發先進潛艦之相關關鍵性技術之需求。 |
英文摘要 | The geometry and flow characteristics of a practical diesel submarine are studied in this paper. First, the 3D geometry of Germany type 209-1400 submarine, including its sail and control fins, is imitated. Furthermore, computational fluid dynamics method is applied to analyze the flow around the submarine. The steady turbulent flow is computed at both model-scale and full-scale Reynolds numbers. According to the CFD results, several important topics, such as the resistance components, the form factor at different Reynolds numbers, the influence of the sail on the submarine's resistance, the propeller wake, and the juncture vortex induced by the sail, are investigated. The strategies of performance improvement are also discussed. This will be helpful for developing key technologies of modern submarine in the future. |
本系統中英文摘要資訊取自各篇刊載內容。