Heat exchangers are manufactured in a variety of types, and thus we start
this chapter with the classification of heat exchangers. We then discuss the determination
of the overall heat transfer coefficient in heat exchangers, and the
LMTD for some configurations. We then introduce the correction factor F to
account for the deviation of the mean temperature difference from the LMTD
in complex configurations. Next we discuss the effectiveness–NTU method,
which enables us to analyze heat exchangers when the outlet temperatures of
the fluids are not known. Finally, we discuss the selection of heat exchangers.