Results 241 to 250 of about 167,683,516 (269)
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AIChE Journal, 2014
A physically based specific breakage rate parameter of the population balance model for batch dry‐milling is formulated, which explicitly accounts for the impact energy distribution calculated by the discrete element method (DEM). Preliminary DEM simulations of particle impact tests were first performed, which concluded that dissipation energy should ...
Maxx Capece +2 more
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A physically based specific breakage rate parameter of the population balance model for batch dry‐milling is formulated, which explicitly accounts for the impact energy distribution calculated by the discrete element method (DEM). Preliminary DEM simulations of particle impact tests were first performed, which concluded that dissipation energy should ...
Maxx Capece +2 more
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Powder Technology, 2020
Abstract A detailed analysis of the specific breakage rate and mill power data on dry ball milling of three individual minerals and their binary mixtures has been carried out. The energy split model of Kapur and Fuerstenau has been examined and shown to be incorrect. A new model has been proposed. The basic postulates are: (i) only a small fraction λ
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Abstract A detailed analysis of the specific breakage rate and mill power data on dry ball milling of three individual minerals and their binary mixtures has been carried out. The energy split model of Kapur and Fuerstenau has been examined and shown to be incorrect. A new model has been proposed. The basic postulates are: (i) only a small fraction λ
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A study on the specific rate of breakage of cement materials in a laboratory ball mill
Cement and Concrete Research, 2003The specific rate of breakage (Si) in the widely accepted first-order expression of grinding rate is one of the important factors required to evaluate a grinding process, particularly for the initial grinding stage in various mill types. In this study, the effects of ball diameter and feed size on the specific rate of breakage were investigated on ...
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International Family Planning Perspectives, 1998
130 male family planning clients in the Philippines 130 in Mexico and 126 in the Dominican Republic (DR) who had used at least 1 condom during the preceding 12 months and were at least 18 years old participated in a study of condom use conducted between July 1992 and March 1993.
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130 male family planning clients in the Philippines 130 in Mexico and 126 in the Dominican Republic (DR) who had used at least 1 condom during the preceding 12 months and were at least 18 years old participated in a study of condom use conducted between July 1992 and March 1993.
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Powder Technology, 2017
Abstract In the dry ball milling operation, the specific breakage rate of particles has been found to vary significantly with the size distribution of the particulate material. However, due to the lack of suitable experimental data and a clear understanding of the role of inter-particle interactions in determining the specific breakage rate of ...
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Abstract In the dry ball milling operation, the specific breakage rate of particles has been found to vary significantly with the size distribution of the particulate material. However, due to the lack of suitable experimental data and a clear understanding of the role of inter-particle interactions in determining the specific breakage rate of ...
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Advanced Powder Technology, 2016
Abstract The top-size-fraction method of determining the specific breakage rate of particles from the slope of a log-linear ‘first-order disappearance kinetics’ plot has been widely used. Generally, the feed charge is prepared from the material crushed in a jaw and/or roll crusher, and four to five batch grinding experiments are carried out ...
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Abstract The top-size-fraction method of determining the specific breakage rate of particles from the slope of a log-linear ‘first-order disappearance kinetics’ plot has been widely used. Generally, the feed charge is prepared from the material crushed in a jaw and/or roll crusher, and four to five batch grinding experiments are carried out ...
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2017
In this study, grinding tests were carried out to determine the effects of microwave drying on specific breakage rate in a ball mill. Kaolen samples, taken from Balikesir/Duvertepe, were prepared at mono size groups (- 3350+2360 μm, -2360+1700 μm and -1180+850 μm) for grinding tests performed as dry in Bond ball mill which was run at 70 rpm. The kaolen
SAMANLI, Selçuk +2 more
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In this study, grinding tests were carried out to determine the effects of microwave drying on specific breakage rate in a ball mill. Kaolen samples, taken from Balikesir/Duvertepe, were prepared at mono size groups (- 3350+2360 μm, -2360+1700 μm and -1180+850 μm) for grinding tests performed as dry in Bond ball mill which was run at 70 rpm. The kaolen
SAMANLI, Selçuk +2 more
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A note on the prediction of specific rates of breakage for an equilibrium ball charge
Powder Technology, 1985L.G. Austin, R.C. Klimpel
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Particle breakage evolution of coral sand using triaxial compression tests
Journal of Rock Mechanics and Geotechnical Engineering, 2021Gang Wang, Zhaonan Wang
exaly