Contributions expérimentale et théorique à l'identification de paramètres adéquats pour la modélisation de la mouillabilité en ingénierie

Abstract : The purpose of this work consists in identifying parameters able to characterize wetting properties of a solid sample by a liquid, in the presence of an other fluid. The first result of our study is the validation of two admissible correlation laws between the controlled volume of a sessile, axisymmetrical drop; and the corresponding measured wetted area. The second contribution of this research is the working out of an implicit correlation law between the drop volume and the contact angle. Finally, the dimensional reduction (of the basic model and the previous correlation laws) by the characteristic length "Volume/Wetting Area" allows to point out a remarkable curve; this last one, very regular, is monotone; it represents alone all the possible, states of the hysteresis cycle. This curve, qualified of "Master Curve" in order to explicit the wetting behaviour, has still to be interpreted.
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Theses
File URL :
http://docnum.univ-lorraine.fr/prive/INPL_T_2002_DAKPANON_L_Y.pdf
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https://hal.univ-lorraine.fr/tel-01750241
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Submitted on : Thursday, March 29, 2018 - 12:41:28 PM
Last modification on : Friday, March 30, 2018 - 1:28:07 AM

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Yaï Laurent Dakpanon. Contributions expérimentale et théorique à l'identification de paramètres adéquats pour la modélisation de la mouillabilité en ingénierie. Autre [cond-mat.other]. Institut National Polytechnique de Lorraine, 2002. Français. ⟨NNT : 2002INPL103N⟩. ⟨tel-01750241⟩

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