Film Boiling Termination Mechanism

Abstract
It is suggested that free molecule heat conduction provides the critical energy transfer that just precedes the collapse of the vapor blanket in the film boiling process. An expression for the extreme possible values of the heat transfer coefficient, as a function of pressure, is derived for solid-boiling liquid systems and numerically evaluated for water. The wetting temperature is given in terms of measurable parameters of the system, and experiments are suggested.

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