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Article Dans Une Revue ChemPhysChem Année : 2019

Bubble Solution Description by Non‐Extensive Thermodynamics: Pressure Effect

Résumé

We showed in this study that nanobubble solutions should not be considered as the simple juxtaposition of autonomous phases (a solution and bubbles) but as particular entities, i.e., "supersaturated solutions" where gas is simultaneously in two forms in permanent exchange. Gibbs' extensive Thermodynamics cannot claim to describe legitimately their behavior. In this work, we showed how the use of the nonextensive thermodynamics allows describing the physicochemical properties of such media, some of which are counter-intuitive. Thus, an increase in pressure can result in an increase in the bubble size, contrary to what is provided by Boyle-Mariotte's law. The theoretical relationships proposed in this work constitute another approach to bubble solutions, which considers the non-autonomous nature of the components of supersaturated gas solutions and their "nonextensive" nature.
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Dates et versions

hal-02281737 , version 1 (09-09-2019)

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Pierre Letellier, Mireille Turmine. Bubble Solution Description by Non‐Extensive Thermodynamics: Pressure Effect. ChemPhysChem, 2019, 20 (17), pp.2230-2235. ⟨10.1002/cphc.201900412⟩. ⟨hal-02281737⟩
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