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Controlling Hydrodynamics, Heat Transfer and Phase Change in Thin Liquid Films and Drops

DOI: 10.1615/IHTC15.kn.000001
pages 1-20

Tatiana Gambaryan-Roisman
Institute of Technical Thermodynamics and Center of Smart Interfaces, Technische Universitat Darmstadt, Alarich-Weiss-Str. 10, 64287, Darmstadt, Germany

Abstract

Many technological applications in energy and process industry rely on transport processes and phase change in liquid films and drops. These processes also play an important role in fabrication of patterns on substrates, for example, by inkjet printing or dip coating. Controlling hydrodynamics and transport processes in liquid films and drops is an important challenge in the variety of applications. Most of the efforts towards the achievement of this goal have been focused on modification of substrates in contact with films and drops, primarily through using structured wall surfaces. In the present paper an overview of the phenomena triggered by surface structuring and by alternative methods of influencing films and drops is given. In particular, hydrodynamics and heat transfer of films over substrates with spatially varying thermal properties are considered.

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