| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Simmons, Mark
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Design of slurries for 3D printing of sodium-ion battery electrodescitations
- 2023Comparison between RANS and 3D-PTV measurements of Newtonian and non-Newtonian fluid flows in a stirred vessel in the transitional regimecitations
- 2023Thermomechanical Responses of Microcracks in a Honeycomb Particulate Filter
- 2022Rheology and structure of lithium‐ion battery electrode slurriescitations
- 2021Understanding the effects of processing conditions on the formation of lamellar gel networks using a rheological approachcitations
- 2021Lagrangian investigations of a stirred tank fluid flow using 3D-PTVcitations
- 2020Ironmaking and Steelmaking Slags As Sustainable Adsorbents For Industrial Effluents And Wastewater Treatmentcitations
- 2017Investigating the impact of operating conditions on the extent of additive mixing during thermoplastic polymer extrusioncitations
- 2016Agglomeration in counter-current spray drying towers. Part A: Particle growth and the effect of nozzle heightcitations
- 2016A comparison of methods for in-situ discrimination of imaged phase boundaries using Electrical Capacitance Tomography
- 2016The impact of process parameters on the purity and chemical properties of lignin extracted from miscanthus x giganteus using a modified organosolv method
- 2013An Assessment of the Influence of Gas Turbine Lubricant Thermal Oxidation Test Method Parameters Towards the Development of a New Engine Representative Laboratory Test Methodcitations
- 2013Kinetics of metals adsorption in acid mine drainage treatment with blast furnace slag
- 2009Influence of surfactant upon air entrainment hysteresis in curtain coatingcitations
- 2007Influence of vicosity and impingement speed on intense hydrodynamic assist in curtain coatingcitations
- 2006Hysteresis and non-uniqueness in the speed of onset of instability in curtain coatingcitations
- 2006Influence of the flow field in curtain coating onto a prewet substratecitations
Places of action
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article
Lagrangian investigations of a stirred tank fluid flow using 3D-PTV
Abstract
3D Particle Tracking Velocimetry (3D-PTV) is a flow visualisation technique which enables the 3D Lagrangian velocity field to be obtained. Whilst its application to fluid mixing in agitated vessels has been limited due to the large field of view and wide velocity ranges involved, guidelines for reliable 3D-PTV measurements at the lab-scale have been developed in this paper. The flow of water atin a flat bottom cylindrical tank () stirred with a 6 blades Rushton turbine () has been measured at different camera frame rates (125 – 3600 fps) and tracer concentrations (0.001 – 0.010 px<sup>−2</sup>). The best compromise between the number of measured data, tracking efficiency and CPU time (206 frame<sup>-1</sup>, 39% efficiency, 0.026 min frame<sup>-1</sup>) has been obtained at 125 fps and 0.002 px<sup>−2</sup>. The Savitzky–Golay filter, used to enhance the measurements signal-to-noise ratio, has been optimized by testing different values of the polynomial order (0–3) and filter width (321 data points). A 2nd order, 11-points filter gave the best results, based on considerations regarding the reduced Chi-squared and velocity distributions. With the best conditions and filter, the uncertainty in the measured tracer positions was in the order of 255 μm. Finally, un unbiased distribution of the flow decorrelation time has been determined from the velocity autocorrelation functions along the trajectories longer than 6 impeller revolutions. This method could be used to compare the macro-mixing performance in different flow systems.