3013-11 Lecture 19 - Heat Transfer with Phase Change-Vaporization

3013-11 Lecture 19 - Heat Transfer with Phase Change-Vaporization

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CHE 3013 – Fall 11 1 of 4 Smay Lecture 19 Heat Transfer with Phase Change - Vaporization Assignments None Assigned Reading Chapter 10, Incropera et al., Sections 10.1, 10.2, 10.3, and 10.5.2. Handouts (on D2L unless stated otherwise) None Outline 1. Excess temperature 2. The pool boiling curve 3. Modes of pool boiling 4. Two-phase flow regimes for forced convection boiling in tubes Key Concepts 1. Relationships between pool boiling regimes and heat transfer 2. Boiling regimes place limits on temperature differences in heat exchangers
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Unformatted text preview: 3. Relationships between degree of vaporization and two-phase flow regimes 4. Limitations of empirical correlations Key Skills 1. Explain the nature of heat transfer phenomena in pool boiling 2. Estimate the maximum T e for nucleate boiling. 3. Explain the limitations (maximum) of vaporization in vertical thermosyphon reboilers. CHE 3013 Fall 09 2 of 4 Wagner CHE 3013 Fall 09 3 of 4 Wagner CHE 3013 Fall 09 4 of 4 Wagner...
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3013-11 Lecture 19 - Heat Transfer with Phase Change-Vaporization

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