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題名 | 二維流場觀測實驗之背景理論研究=The Fundamental Theory of the Experiment of Two Dimensional Flow Observation |
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作者 | 張宏輔; 蔡加正; 李明遠; 黃良雄; | 書刊名 | 國立臺灣大學工程學刊 |
卷期 | 69 1997.02[民86.02] |
頁次 | 頁43-55 |
分類號 | 440.137 |
關鍵詞 | 二維流場觀測實驗; 水流振動; 染料擴散; Two dimensional flow observation experiment; Oscillating flow; Diffusion of dye; |
語文 | 中文(Chinese) |
中文摘要 | 本研究探討二維流場觀測實驗中無邊界影響之單一流線的背景理論。文中將傳統 所根據的赫利蕭胞( Hele-Shaw cell )理論加入水流振動效應,再考慮染料擴散,經理論 推導後,最後以一數值積分式求解之。本研究探討了有關染料擴散係數、振動頻率等對於擴 散的影響。本研究結果可提供作為計算流體力學中類似問題之較佳外域邊界條件。 |
英文摘要 | This study discusses the fundamental theory of single flow line without boundary effect in two dimensional flow observation experiment. In this article, we consider water oscillation effect and dye diffusion in addition to the conventional Hele-Shaw cell theory. An integral equation is obtained theoretically and its numerical solution is computed in the present study. The effect of coefficient of diffusion, frequency of oscillation, etc. are discussed. The result is found to be able to serve as a better outer boundary condition for further work on certain problem of computational fluid mechanics. |
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