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Reproducibility of Large Eddy Simulations for mixing in stirred tank reactors
Cees Haringa, Ryan Rautenbach, Héctor Maldonado de Léon +2
CFD simulations are widely used to quantify mixing performance of stirred tanks, for various applications in chemical engineering and biotechnology. Due to advances in GPU computin…
Simultaneous 2D and 3D turbulent flows in Faraday Waves
Raffaele Colombi, Niclas Rohde, Michael Schlüter +1
In nature turbulent flows exist that are neither simply 2D nor 3D but boundary conditions, such as varying stratification, force them towards the one or the other. Here, we report…
Measurements of Sub-Surface Velocity Fields in Quasi-2D Faraday Flow
Raffaele Colombi, Michael Schlüter, Alexandra von Kameke
Faraday waves are capillary ripples that form on the surface of a fluid being subject to vertical shaking. Although it is well known that the form and shape of the waves pattern de…
How coherent structures dominate the residence time in a bubble wake: an experimental example
Alexandra von Kameke, Sven Kastens, Sophie Rüttinger +2
Mixing timescales and residence times in reactive multiphase flows can be essential for product selectivity. For instance when a gas species is consumed e.g. by a competitive conse…
Experimental and numerical investigation of reactive species transport around a small rising bubble
Andre Weiner, Jens Timmermann, Chiara Pesci +4
In this article, we present experimental and numerical techniques to investigate the transfer, transport, and reaction of a chemical species in the vicinity of rising bubbles. In t…