Dynamics of liquid interfaces under various types of external perturbations |
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| Institution: | 1. MPI Colloids and Interfaces, Potsdam, Germany;2. Sharif University of Technology, Tehran, Iran;3. Chemical Engineering Department, University of Tehran, Tehran, Iran;4. Institute of Biocolloid Chemistry, Ukrainian Academy of Sciences, Kiev, Ukraine;5. Universidad Complutense, Madrid, Spain;6. Medical University Donetsk, Donetsk, Ukraine;1. Medical University Donetsk, Donetsk, Ukraine;2. Institute of Colloid Chemistry and Chemistry of Water, Kyiv (Kiev), Ukraine;3. MPI Colloids and Interfaces, Potsdam, Germany;1. Department of Applied Physics, University of Granada, Campus de Fuentenueva, sn, 18071 Granada, Spain;2. Division of Food Sciences, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, United Kingdom;3. Department of Software Engineering, University of Granada, C/Periodista Daniel Saucedo Aranda, sn, 18071 Granada, Spain |
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| Abstract: | Dynamic interfacial parameters are the key properties of interfaces in many modern technologies and can be studied in various ways. For applications like foams and emulsions, the dynamics of adsorption and the dilational and shear rheology of liquid–fluid interfaces are investigated most frequently. This work gives an insight into recently developed new experimental approaches, such as fast capillary pressure tensiometry for growing and oscillating drops. These experiments are presented in comparison to more classical techniques like drop profile tensiometry and capillary wave damping. Progress in these experiments based on generated interfacial perturbations can be expected only by a close link to respective CFD simulations. We also present the state of the art of CFD simulations, which have reached a high level during the last decade and provide a substantial basis for dynamic interfacial experiments. |
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