Dynamics of liquid interfaces under various types of external perturbations
Study the dynamics of liquid interfaces, including the adsorption properties of surfactants, polymers, particles and their mixtures under the action of external perturbations, including expansion/compression and shear. Investigations of interfacial dynamics cover liquid/gas and liquid/liquid systems in contact with solid surfaces. Highly dynamic processes, such as fast growing drops and bubbles as well as their behaviour at high frequency oscillations will be studied.
Originality and innovative aspects: This work is an important step in understanding the processes like wetting and spreading, and the stability of foams and emulsions.
Methodologies: single drop experiments based on visualized shapes and/or capillary pressure; dilatational and shear rheology of interfacial layers. Adsorption dynamics for surfactants, proteins and their mixtures and thermodynamics of interfacial layers will be modelled theoretically. Simulations of growing and oscillating drops using OpenFOAM will be performed.
List of publications