1. What contributions have the authors mentioned in the paper "Engineered transparent emulsion to optically study particulate flows in yield stress fluids" ?
The authors explain the design procedure in detail.. The optically transparent emulsion opens the possibility of exploring Particle Tracking/Image Velocimetry ( PIV/PTV ) techniques in studying dynamic flows involving particles in complex fluids.. As a proof of concept, the authors have performed PTV to provide accurate measurements of solid volume fractions for the dispersion of particles in a Taylor-Couette cell.
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![Fig. 8 (a) Color-maps for the distribution of the solid volume fraction suspended in Newtonian fluid at steady-state conditions for different positions of the cell - (b) Distribution of the solid volume fraction at the steady state condition at the middle of the Taylor-Couette cell for a Newtonian fluid suspension (Ω = 1.48rad/s) (red line), suspension balance model (black line) [56]](/figures/fig-8-a-color-maps-for-the-distribution-of-the-solid-volume-eqe93cx2.webp)