Heat Transfer
Heat transfer lectures by Professor Josua Meyer (2014). Topics covered in the lectures include: transient or unsteady heat conduction, convection heat transfer, external and internal forced convection, heat exchangers, thermal radiation including atmospheric and solar radiation. The lectures are based on the textbooks of White (8th ed) and Cengel and Ghajar (4th ed) and were presented as part of a heat transfer class to the fourth year students of the Department of Mechanical and Aeronautical Engineering, University of Pretoria.
| Lecture 21 - Fundamentals of Convection Heat Transfer (1of3) |
In this lecture an introduction is given on the fundamentals of convection. The following is discussed: physical mechanism of convection, forced convection, natural convection, heat transfer coefficient, the velocity boundary layer, no-slip velocity on surface, calculation of heat transfer from the temperature gradient at a surface, Nusselt number, and physical significance of Nusselt number.
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