heat transfer By JP Holeman pdf download
This book presents an elementary treatment of the principles of heat transfer. As a
text it contains more than enough material for a one-semester course that may be
presented at the junior level, or higher, depending on individual course objectives.
The course is normally required in chemical and mechanical engineering curricula but is
recommended for electrical engineering students as well, because of the significance of
cooling problems in various electronics applications. In the author’s experience, electrical
engineering students do quite well in a heat-transfer course, even with no formal coursework
background in thermodynamics or fluid mechanics. A background in ordinary differential
equations is helpful for proper understanding of the material.
Presentation of the subject follows classical lines of separate discussions for conduc-
tion, convection, and radiation, although it is emphasized that the physical mechanism of
convection heat transfer is one of conduction through the stationary fluid layer near the heat-
transfer surface. Throughout the book emphasis has been placed on physical understanding
while, at the same time, relying on meaningful experimental data in those circumstances
that do not permit a simple analytical solution.
Conduction is treated from both the analytical and the numerical viewpoint, so that
the reader is afforded the insight that is gained from analytical solutions as well as the
important tools of numerical analysis that must often be used in practice.Aliberal number of
numerical examples are given that include heat sources and radiation boundary conditions,
non-uniform mesh size, and one example of a three-dimensional nodal system. A similar
procedure is followed in the presentation of convection heat transfer. An integral analysis of
both free- and forced-convection boundary layers is used to present a physical picture of the
convection process. From this physical description, inferences may be drawn that naturally
lead to the presentation of empirical and practical relations for calculating convection heat-
transfer coefficients. Because it provides an easier instruction vehicle than other methods,
the radiation-network method is used extensively in the introduction of analysis of radiation
systems, while a more generalized formulation is given later. Systems of nonlinear equations
requiring iterative solutions are also discussed in the conduction and radiation chapters but
the details of solution are relegated to cited software references. The assumption is made
that the well-disposed reader should select his or her own preferred vehicle for solution of
systems of nonlinear equations.
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