Search Results - "Leadbeater, Thomas"

Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed by Xu, Yupeng, Li, Tingwen, Lu, Liqiang, Tebianian, Sina, Chaouki, Jamal, Leadbeater, Thomas W., Jafari, Rouzben, Parker, David J., Seville, Jonathan, Ellis, Naoko, Grace, John R.

“…•Travelling fluidized bed was simulated with MFiX-DEM.•Particle velocities differences was not caused by tracer particle properties.•Large differences were…”
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On trajectory and velocity measurements in fluidized beds using positron emission particle tracking (PEPT) by Leadbeater, Thomas W., Seville, Jonathan P. K., Parker, David J.

“…Positron emission particle tracking (PEPT) is a non‐invasive technique that can be used for following the trajectories of particles in fluidized beds, so…”
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Development and confirmation of a simple procedure to measure solids distribution in fluidized beds using tracer particles by Xu, Yupeng, Li, Tingwen, Lu, Liqiang, Gao, Xi, Tebianian, Sina, Grace, John R., Chaouki, Jamal, Leadbeater, Thomas W., Jafari, Rouzbeh, Parker, David J., Seville, Jonathan, Ellis, Naoko

“…•Travelling fluidized bed is simulated with a coarse-grain CFD-DEM.•The solids distribution derived from tracer data is verified numerically.•A simple…”
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Investigation of Particle Motion in a Dry Separation Fluidized Bed Using PEPT by Meng Zhou, Ozan Kökkılıç, Darryel Boucher, Mark Lepage, Thomas W. Leadbeater, Raymond Langlois, Kristian E. Waters

“…Developing dry separation methods to replace the commonly used water-based separation has become crucial due to increasing water shortages. One of the…”
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Investigation of particle velocity in FCC gas-fluidized beds based on different measurement techniques by Tebianian, Sina, Dubrawski, Kristian, Ellis, Naoko, Cocco, Ray A., Hays, Roy, Reddy Karri, S.B., Leadbeater, Thomas W., Parker, David J., Chaouki, Jamal, Jafari, Rouzbeh, Garcia-Trinanes, Pablo, Seville, Jonathan P.K., Grace, John R.

“…The novel traveling fluidization column, designed and built to assure identical operating conditions, was deployed to compare alternate experimental…”
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Targetry for the in-beam activation of tracer particles for positron emission particle tracking by Leadbeater, Thomas, van Heerden, Michael, Buffler, Andy, Camroodien, Ameerah, Steyn, Gideon

“…Positron emission particle tracking measures the trajectory of a single radioactively labelled tracer particle by coincident detection of emitted annihilation…”
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Direct mineral tracer activation in positron emission particle tracking of a flotation cell by Boucher, Darryel, Jordens, Adam, Sovechles, Joshua, Langlois, Ray, Leadbeater, Thomas W., Rowson, Neil A., Cilliers, Jan J., Waters, Kristian E.

“…[Display omitted] •Quartz and hematite particles of −1180+1000 μm diameter were directly activated.•Mineral tracers of −106+90 μm diameter were created by the…”
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Positron imaging systems for studying particulate, granular and multiphase flows by Leadbeater, Thomas W., Parker, David J., Gargiuli, Joseph

“…The University of Birmingham has pioneered and adapted the use of the medical imaging technique known as positron emission tomography （PET） to the study of…”
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Hydrodynamics and particle motion in upward flowing dense particle suspensions: Application in solar receivers by García-Triñanes, Pablo, Seville, Jonathan, Boissière, Benjamin, Ansart, Renaud, Leadbeater, Thomas, Parker, David

“…Dense gas–solid suspensions have the potential to be applied as heat transfer fluids (HTF) for energy collection and storage in concentrated solar power…”
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Solids flux measurements via alternate techniques in a gas-fluidized bed by Tebianian, Sina, Dubrawski, Kristian, Ellis, Naoko, Cocco, Ray A., Hays, Roy, Karri, S.B. Reddy, Leadbeater, Thomas W., Parker, David J., Chaouki, Jamal, Jafari, Rouzbeh, Garcia-Trinanes, Pablo, Seville, Jonathan P.K., Grace, John R.

“…•A travelling fluidized bed ensured identical operating conditions at several sites.•Solids flux was obtained by novel analyses of invasive and non-invasive…”
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PEPT study of particle motion for different riser exit geometries by Chan, Chian Wen, Brems, Anke, Mahmoudi, Shiva, Baeyens, Jan, Seville, Jonathan, Parker, David, Leadbeater, Thomas, Gargiuli, Joseph

“…Laboratory and industrial risers are equipped with exits of many different layouts, and numerous publications discuss the influence of riser exit geometry on…”
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Three-dimensional dynamic imaging of sand particles under wheel via gamma-ray camera system by Kinugasa, Tetsuya, Kuwagi, Kenya, Leadbeater, Thomas W., Gargiuli, Joseph, Parker, David J., Seville, Jonathan P.K., Yoshida, Koji, Amano, Hisanori

“…•This paper introduces a 3D imaging technique for sand under a rotating wheel.•Positron emission particle tracking (PEPT) was used for the imaging.•We provide…”
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Observation of iron ore beneficiation within a spiral concentrator by positron emission particle tracking of large (Ø=1440μm) and small (Ø=58μm) hematite and quartz tracers by Boucher, Darryel, Deng, Zhoutong, Leadbeater, Thomas, Langlois, Raymond, Waters, Kristian E.

“…This paper presents the results of using positron emission particle tracking to record the trajectories of large (Ø≈1440μm) and small (Ø≈58μm) particles of…”
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Particle motion and heat transfer in an upward-flowing dense particle suspension: Application in solar receivers by García-Triñanes, P., Seville, J.P.K., Ansart, R., Benoit, H., Leadbeater, T.W., Parker, D.J.

“…[Display omitted] •Particle trajectories are determined within a dense upward-moving fluidised bed.•Particle-to-wall heat transfer coefficients have been…”
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Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed by Xu, Yupeng, Li, Tingwen, Lu, Liqiang, Tebianian, Sina, Chaouki, Jamal, Leadbeater, Thomas W., Jafari, Rouzben, Parker, David J., Seville, Jonathan, Ellis, Naoko, Grace, John R.

“…Particle tracking methods using emitted radiation show potential for following motion in opaque systems such as granular materials. Leading examples are…”
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Particle flow visualization in quartz slurry inside a hydrocyclone using the positron emission particle tracking technique by Radman, Jennifer Rachel, Langlois, Raymond, Leadbeater, Thomas, Finch, James, Rowson, Neil, Waters, Kristian

“…•We track silica particles with PEPT in hydrocyclones.•We examine the change in hydrocyclone flow patterns in different sections.•The silica particle…”
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Comparison of particle velocity measurement techniques in a fluidized bed operating in the square-nosed slugging flow regime by Tebianian, Sina, Dubrawski, Kristian, Ellis, Naoko, Cocco, Ray A., Hays, Roy, Reddy Karri, S.B., Leadbeater, Thomas W., Parker, David J., Chaouki, Jamal, Jafari, Rouzbeh, Garcia-Trinanes, Pablo, Seville, Jonathan P.K., Grace, John R.

“…The novel “travelling fluidized bed” (TFB), operated under identical conditions, was deployed to compare alternate experimental measurement techniques for the…”
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The use of positron emission particle tracking (PEPT) to study milling of roll-compacted microcystalline cellulose ribbons by Yu, Shen, Wu, Chuan-Yu, Adams, Michael J., Reynolds, Gavin, Gururajan, Bindhu, Gargiuli, Joseph, Leadbeater, Thomas, Roberts, Ron, Parker, David J.

“…Milling is a critical process for controlling the properties of the granules produced by roll compaction. In the current study, the positron emission particle…”
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Use of Particle Heat Carriers in the Stirling Engine Concept by Zhang, Huili, Gowing, Tim, Degrève, Jan, Leadbeater, Thomas, Baeyens, Jan

“…The Stirling engine has drawn new attention for its high efficiency and flexibility towards the application of different heat sources. A new Stirling engine…”
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The development of positron imaging systems for applications in industrial process tomography by Leadbeater, Thomas William

“…The diagnostic medical imaging technique of Positron Emission Tomography (PET) has been adapted at the University of Birmingham for use in imaging industrial…”
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