Current methods for characterising mixing and flow in microchannels

J Aubin, M Ferrando, V Jiricny - Chemical Engineering Science, 2010 - Elsevier
This article reviews existing methods for the characterisation of mixing and flow in
microchannels, micromixers and microreactors. In particular, it analyses the current …

Numerical simulation of active separation control by a synthetic jet

J Dandois, E Garnier, P Sagaut - Journal of Fluid Mechanics, 2007 - cambridge.org
Direct numerical simulation (DNS) and large-eddy simulation (LES) are carried out to
investigate the frequency effect of zero-net-mass-flux forcing (synthetic jet) on a generic …

Unsteadiness of an axisymmetric separating-reattaching flow: Numerical investigation

S Deck, P Thorigny - Physics of fluids, 2007 - pubs.aip.org
The separated flow over a cylinder elongated by another cylinder of a smaller diameter is
investigated numerically at the high subsonic regime using zonal detached eddy simulation …

Large-eddy simulation of turbulent boundary layer separation from a rounded step

Y Bentaleb, S Lardeau, MA Leschziner - Journal of Turbulence, 2012 - Taylor & Francis
Highly resolved large-eddy simulation (LES) is used to investigate the characteristics of a
canonical boundary layer separating from a curved step in a channel of height 8.5 times that …

Dynamics of a supersonic transitional flow over a backward-facing step

W Hu, S Hickel, B Van Oudheusden - Physical Review Fluids, 2019 - APS
The transition mechanism and unsteady behavior behind a backward-facing step (BFS) in
the supersonic regime at Ma= 1.7 and Re δ 0= 13 718 is investigated using large-eddy …

Effects of the orifice to pipe diameter ratio on orifice flows

F Shan, Z Liu, W Liu, Y Tsuji - Chemical Engineering Science, 2016 - Elsevier
This study presents the effects of the orifice to pipe diameter ratio (defined as the β ratio) on
the flow field behind a thin circular square-edged orifice plate. We adopted a planar particle …

The transitional backward-facing step flow in a water channel with variable expansion geometry

J Tihon, V Pěnkavová, J Havlica, M Šimčík - Experimental Thermal and …, 2012 - Elsevier
The backward-facing step flow is investigated experimentally and numerically at moderate
Reynolds numbers. Different channel expansion ratios (ER= 1.43, 2, 2.5, and 4) and inlet …

Particle image velocimetry measurements of flow field behind a circular square-edged orifice in a round pipe

F Shan, A Fujishiro, T Tsuneyoshi, Y Tsuji - Experiments in fluids, 2013 - Springer
In this paper, we use a planar particle image velocimetry system to measure the flow field
downstream of a circular square-edged orifice plate in a round pipe. The flow field is a fully …

Droplet evaporation in a gas-droplet mist dilute turbulent flow behind a backward-facing step

MA Pakhomov, VI Terekhov - Water, 2021 - mdpi.com
The mean and fluctuation flow patterns and heat transfer in a turbulent droplet-laden dilute
flow behind a two-dimensional single-side backward-facing step are numerically studied …

Predicting the cleanability of mix‐proof valves by use of wall shear stress

BBB Jensen, A Friis - Journal of Food Process Engineering, 2005 - Wiley Online Library
The purpose of this work was to predict the outcome of a practical cleaning test for closed
food‐process equipment by examining wall shear stress distributions in the equipment …