Turbulent Film Condensation of Pure Vapors Flowing Normal to A Horizontal Condenser Tube - Constant Heat Flux at the Tube Wall

Abstract

A mathematical model was developed for the study  of external turbulent film condensation of pure vapours flowing downward and normal to the axis of the condenser tube with constant heat flux  conditions maintained at the tube wall. The  magnitude of interfacial shear was estimated for a given external flow condition of the vapour with the help of Colburn’s analogy. The average  condensation heat transfer coefficients for different system conditions were evaluated. The present theory was compared with the available  experimental and theoretical data in the literature and was found to be satisfactory.