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教學大綱與進度

課程基本資料：

學年期課號課程名稱階段學分時數修教師班級人撤備註

110-2 300889 雙相熱對流 1 3.0 3 ★ 簡良翰職能源所 9 1 日職合開

教學大綱與進度：

教師姓名簡良翰

Email lhchien@ntut.edu.tw

最後更新時間 2022-02-19 23:48:22

課程大綱本課程之目的為訓練學生計算冷凍空調設備之蒸發器、冷凝器之熱傳與壓損的能力，以提升冷凍空調設備之設計能力。內容包括兩相流之流譜分析與動量方程式、兩相介面之表面張力作用、熱沸騰與冷凝等相變化之基本現象、兩相流之沸騰與冷凝熱傳性能之計算與分析、兩相流之流力現象分析與壓損之計算、蒸發器與冷凝器之熱傳增強技術等。 This course offers traning of advanced design techniques of evaporators and condensers in the HVAC & R applications. The subjects in this course are: the two phase flow regime, analysis of momentum and energy equations for two phase flow, method of prediction of pressure drop of two phase flow, fundamental phenomena of condensation and evaporation, calculation of heat transfer coefficient of convective condensation or evaporation, heat transfer enhancement techniques for condensation and evaporation.

課程進度週次/Week 授課內容 /Topic 1 兩相流簡介 Introduction of two phase flow and heat transfer 2 兩相流之流譜分析 Flow pattern analysis 3 沸騰與冷凝之熱傳計算 Calculations of boiling and condensation heat transfer 4 表面張力分析、熱管原理與應用 Surface tension and heat pipe 5 核沸騰原理與表面張力分析 Fundamentals of nuleate boiling and surface tension analysis 6 核沸騰原理與經驗公式、高效率沸騰表面 Boiling theory and emperical correlaitons 7 Holiday 8 冷凝基本現象與分析、Nusselt平板及圓管冷凝理論 Fundamentals of condensation, Nusselt condensation theory for plates and circular tubes 9 期中考 Midterm exam 10 兩相流之動量方程式與解析模型 Momentum equations and theoretical models of two phase flows 11 兩相流之壓損計算 Pressure drop calculation of two phase flow 12 管內與管集之對流沸騰熱傳分析模型 Heat transfer model of internal convective boiling flow and tube bundles 13 管內對流冷凝之熱傳分析與計算　Heat transfer analysis and calculation of internal convective flow condensation 14 噴淋式蒸發器之分析與計算 Analysis and calculation of falling film evaporator 15 兩相熱對流之計算模型與經驗公式彙整 Summary of two phase flow convection model and correlations 16 熱質傳原理 Principles of heat and mass transfer 17 熱質傳之冷凝器應用 Application of teat and mass trasnfer oncondensers 18 期末考 Final exam

評量方式與標準 Homework: 30%, Midterm: 30%, Final Exam: 25%, Term report:15%.

使用教材、參考書目或其他 【遵守智慧財產權觀念，請使用正版教科書，不得使用非法影印教科書】

使用外文原文書：是
1. Van P. Carey, 1992, Liquid-vapor Phase Change Phenomena, Hemisphere Publishing Corporation. * 2. 王啟川，「熱交換器設計」，五南圖書出版公司，民國九十年。* 3. Collier, John G. and Thome, John R., 1996, Convective Boiling & Condensation. 3rd ed., Oxford University Press, Incorporated. 4. Webb, R.-L. and Kim, N.-H., 2005, Principles of Enhanced Heat Transfer, John Wiley and Sons Inc., New York, 1993. 5. Whalley, P. B., 1996, Two-Phase Flow & Heat Transfer, Oxford University Press, Incorporated. 6. 「熱管簡介」，石育政、劉子銘。 7. Faghri, A., 1995, Heat Pipe Science and Technology, Chapter 3, Taylor and Francis. 8. 「沸騰相關文獻回顧」，張千喬。 9. Thome, J. R., 2004, Engineering Data Book III, Chapter 3, Wolverine Tube Inc. 10. Jung, D., An, K., and Park, J., 2004, “Nucleate Boiling Heat Transfer Coefficient of HCFC22, HFC134a, HFC125, HFC32 on Various Enhanced Tubes,” Int. J. of Refrigeration, Vol. 27, pp. 202-206. 11. Webb, R. L., 2004, “Odyssey of the enhanced boiling surface,” J. of Heat Transfer, Vol. 126, no. 6, pp. 1051-1059 . 12. 簡良翰、鄭全宏，2005，”噴淋式蒸發器之熱傳性能預測新模型”，冷凍與空調期刊，33期，頁:75-84。 13. Webb, R. L., and Gupte, N., 1992, “A Critical Review of Correlations for Convective Vaporization in Tubes and Tube Banks,” Heat Transfer Engineering, Vol. 13, no. 3, pp. 58-81. 14. Shah, M. M., 1979, “A General Correlation for Heat Transfer During Film Condensation inside Pipes,” Int. J. Heat Mass Transfer, Vol. 22, pp. 547-556. 15. Chun, K. R., and Seban, R. A., 1971, “Heat Transfer to Evaporation Liquid Films,” J. of Heat Transfer, Vol. 93, pp. 391-396. 16. ASHRAE Handbook, 2005, Chapter 4: Two Phase Flow, ASHRAE.

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