Search Results - "Morrison, R.D."

The contribution of DEM to the science of comminution by Weerasekara, N.S., Powell, M.S., Cleary, P.W., Tavares, L.M., Evertsson, M., Morrison, R.D., Quist, J., Carvalho, R.M.

“…The ability to model comminution techniques has been key in the mineral processing industry and other industries where size reduction of rocks is a key focus…”
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Comminution mechanisms, particle shape evolution and collision energy partitioning in tumbling mills by Cleary, P.W., Morrison, R.D.

“…•Five mechanisms for size reductions in mills are identified.•DEM models for all five mechanisms are developed and demonstrated.•Most body breakage occurs via…”
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Combined DEM and SPH simulation of overflow ball mill discharge and trommel flow by Sinnott, M.D., Cleary, P.W., Morrison, R.D.

“…[Display omitted] •A coupled slurry-media model of mill discharge and trommel flow is developed.•Fluid slurry in the mill lowers charge shoulder and toe due to…”
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Using SPH one-way coupled to DEM to model wet industrial banana screens by Fernandez, J.W., Cleary, P.W., Sinnott, M.D., Morrison, R.D.

“…■■■. [Display omitted] ► First model to be able to predict slurry flow on a vibrating screen. ► Establishes the nature of the flow behaviour of slurry on…”
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Predicting breakage and the evolution of rock size and shape distributions in Ag and SAG mills using DEM by Delaney, G.W., Cleary, P.W., Morrison, R.D., Cummins, S., Loveday, B.

“…► Particle size reduction in tumbling mills results from five different mechanisms. ► Incremental damage is the dominant mechanism for SAG operation. ►…”
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Analysis of cone crusher performance with changes in material properties and operating conditions using DEM by Cleary, P.W., Sinnott, M.D., Morrison, R.D., Cummins, S., Delaney, G.W.

“…•DEM is used to understand breakage and operating performance of a cone crusher.•The breakage model uses a replacement strategy and progeny size data from a…”
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DEM modelling of non-spherical particle breakage and flow in an industrial scale cone crusher by Delaney, G.W., Morrison, R.D., Sinnott, M.D., Cummins, S., Cleary, P.W.

“…•A new breakage method for non-round particles is proposed for DEM.•Progeny distributions use the t10 method and data from breakage testers.•The model is…”
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40EMF Outpatient Lisinopril and Losartan Blood Levels Are Associated With In-Hospital Acute Kidney Injury Among Patients With Acute Heart Failure by McNaughton, C.D., Collins, S.P., Lindenfeld, J., Morrison, R.D., Daniels, J., Wang, T.J.

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Towards a virtual comminution machine by Morrison, R.D., Cleary, P.W.

“…Towards the end of the 1990s readily available personal computers became sufficiently powerful – when combined with an efficient numerical code – to use…”
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The future of comminution modelling by Powell, M.S., Morrison, R.D.

“…The current status of the modelling of comminution processes is assessed in light of its capabilities and weaknesses. The principles required for a major…”
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Modelling of incremental rock breakage by impact – For use in DEM models by Morrison, R.D., Shi, F., Whyte, R.

“…DEM simulations of AG and SAG mills indicate that breakage in a single impact is almost certainly a rare event. However, there are many events which might…”
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Using DEM to model ore breakage within a pilot scale SAG mill by Morrison, R.D., Cleary, P.W.

“…The best accepted method for design of autogenous and semi-autogenous (AG/SAG) mills is to carry out pilot scale test work using a 1.8 m diameter by 0.6 m long…”
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Rapid estimation of floatability components in industrial flotation plants by Alexander, D.J., Morrison, R.D.

“…In the analysis of industrial flotation plant data, it is advantageous to build a reliable computer based flotation model to be used in optimisation and…”
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Using DEM to model ore breakage within a pilot scale SAG mill by MORRISON, R, CLEARY, P

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Applying discrete element modelling to vertical and horizontal shaft impact crushers by Djordjevic, N., Shi, F.N., Morrison, R.D.

“…The PFC3D (particle flow code) that models the movement and interaction of particles by the DEM techniques was employed to simulate the particle movement and…”
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A 3-year study of continuous mixed grazing of cattle and sheep: parasitism of offspring by Jordan, H E, Phillips, W A, Morrison, R D, Doyle, J J, McKenzie, K

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Utilization of animal phantoms to increase the accuracy of 40 K [potassium isotope] whole-body counting by Johnson, D.D, Walters, L.E, Morrison, R.D, Frahm, R.R, Lambert, B.W

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Multivariate evaluation of phenotypic relationships between early performance and subsequent productivity [calf weaning weight] in Hereford and Angus cows by Brown, M.A, Frahm, R.R, Morrison, R.D, McNew, R.W

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The effects of antibiotics on the reproductive performance of female turkeys by Yu, W C, Gilbreath, J C, Corstvet, R E, Morrison, R D

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Anaplasma marginale: hemoglobin patterns in experimentally infected young calves by Anderson, I L, Jones, E W, Morrison, R D, Holbert, D, Lee, C K

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