A system consists of a thin film of surface area A, of internal energy U(S, A), where
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A system consists of a thin film of surface area A, of internal energy U(S, A), where
Hence, the surface tension is given byExpress the heat Qif to provide to the film for a variationΔAif = Af−Ai of the surface of the film through an isothermal process at temperature T, that brings the film from an initial state i to a final state f, in terms of γ (T, A) and its partial derivatives.
Transcribed Image Text:
dU = TdS+ydA Ta
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Related Book For
Principles Of Thermodynamics
ISBN: 9781108426091
1st Edition
Authors: Jean-Philippe Ansermet, Sylvain D. Brechet
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