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Molecular dynamics simulations of nonylphenol ethoxylate on the Hatcher model of subbituminous coal surface
10.1016/j.powtec.2018.04.004 2018-04-04 Nonylphenol ethoxylate can be used to improve the performance of low-rank fine coal flotation. Herein, we utilized experimental and computational methods to investigate the adsorption of nonylphenol ethoxylate with 10 ethylene oxide units (NPEO-10) onto the s... |
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Pressure drop in horizontal multi-tube liquid–solid circulating fluidized bed
10.1016/j.powtec.2018.04.003 2018-04-04 A horizontal liquid–solid circulating fluidized bed with transparent tube bundle is designed and built to investigate pressure drop. The effects of the operating parameters, such as the amount of added particles, circulation flow rate, and particle types on p... |
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Particle sizing from Fraunhofer diffraction pattern using a digital micro-mirror device and a single photodiode
10.1016/j.powtec.2018.04.007 2018-04-04 In this paper, a particle sizing method using a digital micro-mirror device (DMD) and a single photodiode was proposed. Firstly, the Fraunhofer diffraction pattern was projected onto the DMD. The integral intensity of the pattern along each line array of the ... |
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Numerical investigation of the maximum erosion zone in elbows for liquid-particle flow
10.1016/j.powtec.2018.04.001 2018-04-03 Erosion caused by particles transported in pipes is a major concern in industrial processes. To describe the erosion behavior in elbows, the flow field, particle trajectories, and relationship between the maximum erosion zone and influencing factors were inve... |
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Experimental investigation of the heat transfer performance of an oscillating heat pipe with graphene nanofluids
10.1016/j.powtec.2018.02.048 2018-04-02 The heat transfer performance of oscillating heat pipes (OHPs) with graphene nanoplatelet (GNP) nanofluids was investigated experimentally. In these experiments, the GNP nanofluid concentrations were 1.2, 2.0, 5.7, 9.1, 13.8, and 16.7 vol%, the heating power ... |
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An investigation of CFD simulations capability in treating non-spherical particle dynamics in a rotary drum
10.1016/j.powtec.2018.03.067 2018-03-27 A systematic study upon the Eulerian approach capability in predicting irregular particle (non-spherical) dynamics inside an unbaffled rotary drum was carried out through the investigation of different particle-particle interaction models and wall boundary co... |
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Dynamic characteristics of binary sphere mixtures under air impact
10.1016/j.powtec.2018.03.065 2018-03-27 This paper presents a numerical study on the packing densification process of binary sphere mixtures under air impact using a combined computational fluid dynamics and discrete element method (CFD-DEM) scheme. The effects of particle size ratio (PSR) on the f... |
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Sensitivity of elastic parameters during the numerical simulation of pharmaceutical die compaction process with Drucker-Prager/Cap model
10.1016/j.powtec.2018.03.068 2018-03-27 Numerical simulation of the die compaction process with Drucker-Prager/Cap (DPC) model is increasingly used to understand the powder behavior during compression. The use of DPC model to numerically simulate the powder compression requires the characterization... |
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Three-dimensional axial dispersion dynamics of shear-driven granular flow in the rolling-regime rotating drum
10.1016/j.powtec.2018.03.066 2018-03-27 The dispersion characteristics of the granular material frequently encountered in many chemical industries play an important role in the system operation since it is related to the solid residence time, and thus further influence the heat and mass transfer be... |
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The effect of impeller configurations on particle mixing in an agitated paddle mixer
10.1016/j.powtec.2018.03.061 2018-03-27 The discrete element method (DEM) and experimental measurements were employed in order to investigate the influence of impeller configuration on the mixing performance of free flowing mono-disperse spherical particles in a horizontal agitated paddle mixer. Fi... |