Abstract
A model based on adsorption and capillary condensation which describes the wetting characteristics of the contact line in change of phase heat transfer is proposed. A relationship between the equilibrium shape of a thin film at the contact line, superheat, and interfacial forces is derived for both zero and finite contact angle systems on “smooth” surfaces. Contact line boundary conditions which are a function of temperature, superheat and interfacial forces are presented. Homogeneous and heterogeneous nucleation at the minimum film boiling temperature is discussed.
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