About the Multidisciplinary Seminar Program

Created in 1995, the Escola Tecnica Superior d'Enginyeria Quimica (ETSEQ) at Universitat Rovira i Virgili aims at becoming an international reference in chemical engineering education and research. The ETSEQ is located in an area that is socially and economically very dynamic, and that is home to one of the most important centers of chemical industry in southern Europe.

The Multidisciplinary Seminar Program is both the seminar series for faculty and researchers in the ETSEQ, and a mandatory class for its graduate students. The Program aims at inviting leading international researchers working on areas that are of interest to faculty and researchers in the School.

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Next seminar (Feb. 6, 2015)

Singularities, Slip, Substrates and Structure: Challenges of modelling the moving contact line problem (Serafim Kalliadasis)

Location: Sala de Graus, ETSEQ
Start time: 12 p.m.

Abstract:

The moving contact line problem occurs when modelling one fluid replacing another as it moves along a solid surface, a situation widespread throughout industry and nature. Classically, the no-slip boundary condition at the solid substrate, a zero-thickness interface between the fluids, and motion at the three-phase contact line are incompatible – leading to the well-known shear-stress singularity. In this talk we will review recent progress made by our group, considering the problem and related physics from the micro to macroscopic length scales. This includes comparing a variety of models used to overcome the singularities, based on slip, disjoining pressure, interface formation and diffuse-interfaces; analysing the impact of random substrate heterogeneities and inclinations; and exploring the detailed nature of the fluid structure in the vicinity of the contact line at the smallest scales by developing rigorously justified models based on the statistical mechanics of fluids.

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