Abstract
Heat transfer correlations are given for all boiling and condensation regimes relevant for evaporator and condenser design. First, pool boiling is considered with the regimes of natural convection, nucleate boiling and film boiling, and then flow boiling in vertical and horizontal tubes. Flow regimes are described with flow pattern maps. One example is calculated for nucleate boiling on a horizontal tube; the program is attached. Special correlations for heat transfer and friction factor are given for plate heat exchangers. Then, condensation is considered. Heat transfer correlations are given for laminar and turbulent film condensation on vertical plates, horizontal single tubes, and tube bundles and condensation inside tubes under different flow regimes. Special correlations are recommended for condensation in plate heat exchangers. Finally, a cell method is presented for the iterative calculation of the combined heat and mass transfer process during condensation of vapor mixtures.
Published Version
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