ISSN Online: 2377-424X
International Heat Transfer Conference 3
FILM BOILING HEAT TRANSFER FROM A HORIZONTAL SURFACE AS AN OPTlMAL BOUNDARY VALUE PROCESS
Résumé
A theoretical analysis of pool film boiling based on a cellular model is presented. The time-averaged
cell configuration is postulated to adjust itself to maximize the rate of heat transfer. Theoretical expressions
for the heat-transfer coefficient, average vapor dome (bubble) radius, and optimum cell diameter
(wavelength) were in close agreement with experiments. As a generalization of this work and others, a
tentative nonequilibrium thermodynamic hypothesis is proposed that nature maximizes the entropy production
in all situations characterized by macroscopic chaos.