頁籤選單縮合
題 名 | 自由面上熱毛細及熱溶現象 |
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作 者 | 許政行; 錢志孝; | 書刊名 | 中原學報 |
卷 期 | 20 1991.12[民80.12] |
頁 次 | 頁86-97 |
分類號 | 440.137 |
關鍵詞 | |
語 文 | 中文(Chinese) |
中文摘要 | 本文研究在於利用線高斯-賽德數值分析法,計算並描述擴散表面上組合了,濃度分佈-表面張力-浮力在管道中對流之交互作用,探討流之結構與熱傳特性之影響。而本文所考慮之計算範圍為一矩形空間,長寬比之變化由0.5至1.5,矩形空間之頂面為一液氣相鄰且具有濃度擴散效應之自由表面,兩側面及底面則為固體壁。使用流線-渦度及能量三個方程式之藕合及自由面上擴散邊界條件來計算求解,探討改變各種控制參數時,對流熱傳場所展現之物理意義。 |
英文摘要 | The interaction effects of the surface concentration, surface tension, buoyancy on the diffusion surface to the convection in a channel were studied by the lineGaussSeidel numerical method. The influences of the structure of the flow field and heat transfer characteristics were also discussed. The computation domain is a rectangular enclosure with aspect ratio from 0.5 to 1.5.The top surface of the enclosure is a liquid-gas interface which is a free surface with the property of concentration diffusion. The bottom and two side walls are rigid surfaces. The problem was solved by the coupled stream-vorticity and energy equations with the boundary condition of diffusion on the free surface. The physical significance of the convection heat transfer was studied by changing the control parameters. |
本系統中英文摘要資訊取自各篇刊載內容。