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題 名 | MHD-Natural Convection over a Variable Wall Temperature Wedge=流經一可變壁溫度楔型面磁性自然對流熱傳遞 |
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作 者 | 易國安; | 書刊名 | 航空技術學院學報 |
卷 期 | 10:1 2011.08[民100.08] |
頁 次 | 頁143-148 |
分類號 | 447.553 |
關鍵詞 | 磁性自然對流; 可變壁溫度楔型面; MHD-natural convection; Variable wall temperature wedge; |
語 文 | 英文(English) |
中文摘要 | 在本文中吾人使用層流邊界層分析以探討流經一可變壁溫度楔型面磁性自然對流熱傳遞影響。偏微分方程式經轉換成非相似邊界層方程式後,再以凱勒盒子法解之。數值計算結果主要顯示:磁性參數ξ、契形角參數m、普蘭特數Pr、可變壁溫度指數n,對表面磨擦係數與Nusselt數之影響。 |
英文摘要 | Boundary layer solutions for the case of variable wall temperature (VWT) are presented to investigate the steady, laminar, free convection flow of an electrically-conducting fluid over a wedge in the presence of a uniform applied magnetic field. The transformed nonlinear system of equations is solved by Keller box method. The range of values for the magnetic parameter ξ, the wedge angle parameter m, the Prandtl number Pr, and the exponent of VWT n are considered. The comparison of the dimensionless wall velocity and temperature gradients, i.e., f′′(ξ,0) and −θ′(ξ,0) for the case of uniform wall temperature (UWT) case, between our results and Watanabe and Pop's data is found to be very excellent. |
本系統中英文摘要資訊取自各篇刊載內容。