Simplified Relations for Boiling Heat Transfer with Water

Many empirical relations have been developed to estimate the boiling heat-transfer coefficients for water. Some of the simplest relations are those presented by Jakob and Haw kins [15] for water boiling on the outside of submerged surfaces at atmospheric pressure (Table 9-3). These heat transfer coefficients may be modified to take into account the influence of pressure by using the empirical relation 

For forced-convection local boiling inside vertical tubes the following relation is recommended [l6]  

Water at 5 atm flows inside a tube of 1-in [2.54-cm] diameter under local boiling conditions where the tube wall temperature is 10°C above the saturation temperature. Estimate the heat transfer in a 1.0-m length of tube. 

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SIMPLIFIED RELATIONS FOR BOILING HEAT TRANSFER WITH WATER... 

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