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The Effect of Pressure on Surface Tension

O. K. Rice

Open publisher page 56 citations

Abstract

The thermodynamic formula for the change of surface tension with pressure is interpreted for a one-component system and for a two-component system consisting of an inert gas over a liquid. In the latter case the effect of pressure on surface tension can be attributed in part to absorption of gas at the surface of the liquid and in part to an intrinsic decrease in density of the liquid in the neighborhood of the surface. The equations are interpreted in terms of the Gibbs adsorption isotherm. The adsorption of gas at the liquid surface has been estimated in several cases from data in the literature.

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What this paper is about

The thermodynamic formula for the change of surface tension with pressure is interpreted for a one-component system and for a two-component system consisting of an inert gas over a liquid. In the latter case the effect of pressure on surface tension can be attributed in part to absorption of gas at the surface of the liquid and in part to an intrinsic decrease in density of the liquid in the neighborhood of the surface. The equations are interpreted in terms of the Gibbs adsorption isotherm. The adsorption of gas at the liquid surface has been estimated in several cases from data in the literature.

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Available abstract

The thermodynamic formula for the change of surface tension with pressure is interpreted for a one-component system and for a two-component system consisting of an inert gas over a liquid. In the latter case the effect of pressure on surface tension can be attributed in part to absorption of gas at the surface of the liquid and in part to an intrinsic decrease in density of the liquid in the neighborhood of the surface. The equations are interpreted in terms of the Gibbs adsorption isotherm. The adsorption of gas at the liquid surface has been estimated in several cases from data in the literature.

Key concepts: Surface tension, Gibbs isotherm, Adsorption, Thermodynamics, Component (thermodynamics), Maximum bubble pressure method, Surface (topology), Surface pressure

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