ESS 6430 Two-phase Flow and Boiling Heat Transfer (雙相流與沸騰熱傳) INSTRUCTOR: PROF. CHIN PAN 潘 欽 Office: 工科館 507; TEL: 34320; Email: cpan@ess.nthu.edu.tw Teaching Assistant: 傅本然 Office: 工科館 425W; TEL: 34291; Email: d947103@oz.nthu.edu.tw COURSE OUTLINE FOR FALL SEMESTER, 2008 1. Introduction Scope of the Course Historical Review 2. Fundamentals of Boiling Heat Transfer and Two-phase Flow Nucleation Theory Bubble Dynamics Interfacial Instability Quality and Void Fraction Two-phase Flow Patterns 3. Nucleate Pool Boiling Heat Transfer Boiling Incipience and Hysteresis Effect Mechanisms of Nucleate Boiling Heat Transfer Correlation Development Nucleation Site Interactions Boiling Chaos 4. Nucleate Flow Boiling Heat Transfer and Forced Convective Evaporation Boiling Incipience and Hysteresis Effect Subcooled Boiling Heat Transfer Saturated Boiling Heat Transfer Forced Convective Evaporation Correlation Development for Saturated Flow Boiling and Forced Convective Evaporation 5. Critical Heat Flux Pool Boiling Critical Heat Flux Departure from Nucleate Boiling Dryout Heat Flux Correlation Development 6. Post Critical Heat Flux Heat Transfer Film Boiling under Pool Boiling Conditions 1 Forced Convective Film Boiling Dispersed Flow Heat Transfer Leidenfrost Point - Minimum Film Boiling Transition Boiling 7. Conservation Equations for Two-phase Flow Review of Conservation Equations for Single-phase Flow Local Instant Equations for Two-phase Flow Three-dimensional Two-fluid Model One-dimensional Two-fluid Model One-dimensional Homogeneous Flow Model One-dimensional Drift Flux Model 8. Closure Issues of Two-phase Flow Models Interfacial Area Density Interfacial Mass Transfer Rate Interfacial Momentum Transfer Rate Interfacial Energy Transfer Rate Interactions Between Each Phase and Wall Turbulent Model for Two-phase Flow 9. Two-phase Flow Pressure Drop Two-phase Flow Pressure Drop Based on Homogeneous Flow Model Two-phase Flow Pressure Drop Based on Two-fluid Flow Model Two-phase Flow Pressure Drop through Fittings 10. Steady-state Analysis of Two-phase Pipe Flows Boiling Channel Analysis Based on One-dimensional Drift Flux Model Boiling Channel Analysis Based on One-dimensional Two-fluid Model Boiling Channel Analysis Based on Three-dimensional Two-fluid Model Multi-dimensional Analysis of Bubbly Pipe Flow 11. Two-phase Flow Instability Classification of Two-phase Flow Instability Analysis of Ledinegg Instability Linear Stability Analysis Nonlinear Stability Analysis 12. Two-phase flow and Boiling Heat Transfer in Microchannels Definition of Microchannels Two-phase Flow Patterns in Microchannels Pressure Drop in Microchannels Bubble Dynamics in Microchannels Boiling Heat Transfer in Microchannel 2 REFERENCE BOOKS 1. 2. 3. 4. 5. Butterworth, D. and Hewitt, G. F., Two-phase Flow and Heat Transfer, Oxford University Press, 1980. Carey, V. P., 1992, Liquid-Vapor Phase-Change Phenomena, Taylor & Francis, Bristol, PA, USA. Collier, J. G. and Thome, J. R., 1994, Convective Boiling and Condensation, 3rd Ed., Clarendon Press, Oxford, UK. Hsu, Y. Y. and Graham, R. W., 1986, Transport Process in Boiling and Two-phase Flow System, ANS,USA. Hewitt, G. F., Delhaye, J. M. and Zuber, N., Multiphase Science and Technology, Hemisphere Pub. Corp., 1986. 6. Lahey Jr.,R.T. (Ed.), 1992, Boiling Heat Transfer, Modern Developments and Advances, Elsevier Science Publishers, New York, USA. Thome, J. R., 1990, Enhanced Boiling Heat Transfer, Hemisphere Pub. Corp., New York, USA. 8. Tong, L.S. and Tang, Y. S., 1997, Boiling Heat Transfer and Two-phase Flow, 2nd Ed., Taylor and Francis, Bristol, PA, USA. 9. Whalley, D.B., 1996, Two-phase Flow and Heat Transfer, Oxford University Press, Oxford, UK. 10. 潘欽, 2001, 沸騰熱傳與雙相流, 國立編譯館主編, 俊傑書局印行, 台北市. 7. N.I. Kolev, 2007, Multiphase Flow Dynamics: 1.Fundamental, 3rd Ed., Springer. 12. N.I. Kolev, 2007, Multiphase Flow Dynamics: 2.Thermal and Mechanical Interactions, 3rd Ed., Springer. 11. 成績考核 一次期中考 一次期末考 作業 35% 35% 20% 平常表現 10% 3