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A Model of Dense Medium Cyclone Performance

Coal Preparation, 1993
A mathematical model of the dense medium cyclone process has been developed by researchers at the JKMRC over a number of years. It has utilised empirical relationships between key performance criteria (such as cut point and E for the various size fractions) and cyclone geometry and operating parameters. This model is based on an extensive array of data
C. J. CLARKSON, C. J. WOOD
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Numerical Analysis of the Changes in Dense Medium Feed Solids on Dense Medium Cyclone Performance [PDF]

, 2007
Numerical simulations of changes in feed medium solids on dense medium cyclone performance were performed using a multi-phase mixture CFD (Computational Fluid Dynamics) model for medium and air-core coupled with Lagrangian model for coal particles for a 350mm DSM cyclone. The turbulence was resolved using Large Eddy Simulation (LES).
Mangadoddy, Narasimha, Brennan, M. S., Holtham, P. N., Banerjee, P. K.   +3 more
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NEUTRINO OSCILLATION IN DENSE MEDIUMS

International Journal of Modern Physics A, 2009
It is found that a term normally discarded in the standard treatment of the MSW effect might be relevant in the case of non-adiabatic varying matter density, leading to a second order field equation, instead of the usual first order "Schrodinger equation".
Law, Z.Y., Chan, A.H., Oh, C.H.
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Dynamic Model for a Dense Medium Drum Separator in Coal Beneficiation [PDF]

Minerals Engineering, 2015
Dense medium drum (DMD) separators are unit processes that are typically used to beneficiate coal, iron ore and other minerals by making use of density separation. Some coal dense medium separation plants typically include a DMD separator.
I K Craig
exaly   +2 more sources

High-harmonic generation in a dense medium

Physical Review A, 2005
The high-harmonic generation in a plasma or gas under conditions when the single-atom response is affected by neighboring ions or atoms of the medium is studied theoretically. We solve numerically the three-dimensional Schr\"odinger equation for a single-electron atom in the combined fields of the neighboring particles and the laser, and average the ...
Strelkov, V., Platonenko, V., Becker, A.
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Modelling, Analysis and Validation of a Dynamic Dense Medium Separation Circuit Model for Detecting Medium Losses [PDF]

Minerals Engineering
DATA AVAILABILITY : The data that has been used is confidential.Dense medium separation circuits use a dense medium to separate low density waste material from high density valuable minerals.
Ian Craig, Derik Le Roux
exaly   +2 more sources

Opacity measurements in a hot dense medium

Physical Review Letters, 1991
Measurements of the opacity of aluminum in a well characterized, hot, dense, laser produced plasma are reported. Measurements of the absorption of X-rays by 1 to 2 transitions in Al XII through Al VIII have been made in a laser-heated slab plasma at the measured temperature and density of 58 ^ 4e V and 0.020 ^ 0.007 g cm~3. Separate measurements of the
, Perry, , Davidson, , Serduke, , Bach, , Smith, , Foster, , Doyas, , Ward, , Iglesias, , Rogers, , Abdallah, , Stewart, , Kilkenny, , Lee   +13 more
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Prediction of Underflow Medium Density in Dense Medium Cyclones

1992
The prediction of the underflow medium density, ρu, in a dense medium cyclone is important, both because many empirical and phenomenological models of DMC performance incorporate ρu as an independent variable, and for plant design purposes. This paper reviews the published correlations for ρu, and presents some recent work on the subject.
Napier-Munn, T. J., Scott, I. A., Tuteja, R., Davis, J. J., Kojovic, T.   +4 more
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Scaling effective Lagrangians in a dense medium

Physical Review Letters, 1991
By using effective chiral Lagrangians with a suitable incorporation of the scaling property of QCD, we establish the approximate in-medium scaling law, ${\mathit{m}}_{\mathrm{\ensuremath{\sigma}}}^{\mathrm{*}}$/${\mathit{m}}_{\mathrm{\ensuremath{\sigma}}}$\ensuremath{\approxeq}${\mathit{m}}_{\mathrm{N}}^{\mathrm{*}}$/${\mathit{m}}_{\mathrm{N ...
, Brown, , Rho
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Static and Dynamic Stability in Dense Medium Separation Processes

Mineral Processing and Extractive Metallurgy Review, 2000
Static and dynamic stability in dense medium separation processes are defined, and a model for dynamic DMS systems provides the density differential (a measure of dynamic stability) as a function of the static stability and parameters related to the ...
P Bevilacqua, G Ferrara
exaly   +1 more source