Educational guide 2023_24 School of Chemical Engineering

Bachelor's Degree in Mechanical Engineering (2010)

Contents

Topic	Sub-topic
1. Introduction.	• Heat transfer mechanisms. • Fundamental concepts and basic methods of heat transfer. • Electrical analogy. Series and parallel heat transfer mechanisms.
2. One-dimensional conduction in stationary regime without heat generation.	• General heat equation. • Steady-state conduction without heat generation. Plane walls, cylindrical and spherical geometry • Heat transfer from finned surfaces.
3. Transient heat transfer	• Lumped system analysis. • Conduction in one-dimensional systems. Solution of two-dimensional and three-dimensional systems as a product of one-dimensional solutions
4. Convection.	• Physical mechanism on convection. • Dimensionless parameters for correlation of convection data. • External forced convection. • Internal forced convection. • Natural convection. • Heat transfer in boiling and condensation.
5. Heat exchangers	• Types of heat exchangers. • Selection criteria. Selection among possible options. • Overall heat transfer coefficient. • The log Mean temperature difference method. • Efficiency of heat exchangers. NTU method for the design and analysis of a heat exchanger. • Kern method for the calculation of shell and tube exchangers without phase change.
6. Radiation.	• Introduction. Physical aspects of electromagnetic radiation. • Black body radiation, Planck, Wien and Stefan-Boltzmann laws. • Surface emission. Surface absorption, reflection and transmission. • Greenhouse effect. • Gray surface. Kirchhoff's law. • Vision factors. Relationship between vision factors. • Radiation heat transfer between black surfaces. • Radiation heat transfer between gray surfaces. • Radiation shields.

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