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  • Discrete element method modelling of impact

    Cited by: 3
  • Size Reduction Characterization of Underground Mine ...

    2020-6-15  A simple and practical model, based on the wear model and interparticle breakage, is presented for calculating compression ratio of each crushing zone along with liner wear.

  • The improved model of inter-particle breakage

    This paper proposes a novel 6-DOF robotic crusher that combines the performance characteristics of the cone crusher and parallel robot, such as interparticle breakage and high flexibility.

  • Characterization of structural changes of mechanically ...

    The interparticle breakage of fine feed fraction of hematite concentrate was investigated by stressing two particle beds with a pressure between 255 and 1000 MPa.

  • Local elasticity in nonlinear rheology of interacting ...

    Local elasticity in nonlinear rheology of interacting colloidal glasses revealed by neutron scattering and rheometry†. Zhe Wang * abc, Takuya Iwashita d, Lionel Porcar e, Yangyang Wang f, Yun Liu g, Luis E. Sánchez-Díaz c, Bin Wu c, Guan-Rong Huang h, Takeshi Egami i and Wei-Ren Chen * c a Department of Engineering Physics, Tsinghua University, Beijing 100084, China.

  • Concrete Batching Plant HST Cone Crusher, Cone

    2020-5-18  The process flow for stationary concrete batch plant will start from feeding of aggregates to the feeder bins. Process of concrete mixing plants end at the output of fresh concrete from the mixer. Modern batch mix plant consists of components like feeder bins, conveyor belts or skip hoist, weigh conveyors, weigh hoppers, screw conveyors, cement silos, mixing unit and control panel.

  • Data Characterization - an overview ScienceDirect

    Breakage of a given particle results in a death event of the original particle and birth events of the resulting particle entities. Birth and death events are typically defined by kernels. A kernel is the key phenomenological instrument in a PBE, as it gives the functional dependence of the aggregation or breakage rate as a function of the ...

  • Effect of some organic solvent–water mixtures

    2015-5-15  Nucleation and crystal growth can be accompanied by secondary processes, i.e. agglomeration, breakage, and/or aging. Agglomeration is a result of interparticle collisions and the attachment of colliding particles . The adhesion of the particles that form agglomerates, besides the kinetic energy of particles, depends on the contact angle of ...

  • Fragmentation and bond strength of airborne diesel

    位置: 8600 Rockville Pike, Bethesda, MD
  • Controls on the size and geometry of landslides:

    Summarizing these observations, we suggest that the amount of material available for sliding, which determines the size of the landslide, is controlled primarily by the peak strength of the slope material and by the initial geometry of the slope. ... Whereas in our simulations this involves interparticle bond breakage, loss of material cohesion ...

  • Fragmentation and bond strength of airborne diesel

    位置: 8600 Rockville Pike, Bethesda, MD
  • Fragmentation and bond strength of airborne diesel

    The potential of diesel soot aerosol particles to break up into smaller units under mechanical stress was investigated by a direct impaction technique which measures the degree of fragmentation of individual agglomerates vs. impact energy. Diesel aerosol was generated by an idling diesel engine used for passenger vehicles. Both the aerosol emitted directly and aerosol that had undergone ...

  • Crystal Growth Design Vol 19, No 4

    Significance of Surface Formate Coverage on the Reaction Kinetics of Methanol Synthesis from CO2 Hydrogenation over Cu; Theoretical Investigation of the Combustion of PRF90 under the Flexible Cylinder Engine Mode: The Effects of Cooling Strategies on the Mode

  • 10.1016/j.geomorph.2014.05.021 DeepDyve

    Whereas in our simulations this involves interparticle bond breakage, loss of material cohesion, and transition from peak to residual strength, in nature, this occurs through fracturing and material weathering that significantly reduces material strength ( Petley et al., 2005 ).

  • Micro-mechanical investigation of railway ballast

    In this work, a recently developed conical damage model (CDM) for particle–particle contact of railway ballast will be used in DEM simulations, that accounts for the edge breakage of the ballast under high stresses [1, 30, 31].The model is described as follows: in the normal contact direction, an elastic regime exists, which is modeled with Hertzian law.

  • (13d) DEM Investigation on the Dynamics of Singlet

    2020-5-22  Particulate and multiphase flows can be impacted significantly by interparticle cohesion such as the van der Waals force, liquid-bridging and electrostatics. ... transfer and breakage. The occurrence of each outcome is affected by the pre-collisional configurations with four degrees of freedom. ... By summarizing the DEM results in non ...

  • A Reconciliation of Packed Column Permeability Data ...

    In his textbook teaching of packed bed permeability, Georges Guiochon uses mobile phase velocity as the fluid velocity term in his elaboration of the Darcy permeability equation. Although this velocity frame makes a lot of sense from a thermodynamic point of view, it is valid only with respect to permeability at a single theoretical boundary condition.

  • Chapter Three - Granular Base and Subbase

    2020-7-18  Summarizing the construction practices and layer configurations of these pavement systems, De Beer (2012) presented the following definition for inverted pavements: A structural pavement system, where the static modulus of the unbound base layer is lower compared with the supporting (mainly lightly cementitious) subbase layers.

  • Fundamentals and Application of Magnetic Particles

    The DLVO force is simply the sum of the van der Waals force and the electrostatic force due to the so-called double layer of counterions, both of which are large when the interparticle separation is small or if particles are close to the surface of the cell separation device or container (distances in the vicinity of 10-9-10-10 m) (Hiemenz, 1997).

  • Faraday Discussions - RSC Publishing Home

    summarizing commentary on the Faraday Discussion 170, ... 45 by grinding and milling), macromolecular mechanochemistry (from breakage of polymer chains to molecular motors and biological motion), and sonochemistry (the ... interparticle collisions in slurries, and microjetting near surfaces. ...

  • (13d) DEM Investigation on the Dynamics of Singlet

    2020-5-22  Particulate and multiphase flows can be impacted significantly by interparticle cohesion such as the van der Waals force, liquid-bridging and electrostatics. ... transfer and breakage. The occurrence of each outcome is affected by the pre-collisional configurations with four degrees of freedom. ... By summarizing the DEM results in non ...

  • Fragmentation and bond strength of airborne diesel

    The potential of diesel soot aerosol particles to break up into smaller units under mechanical stress was investigated by a direct impaction technique which measures the degree of fragmentation of individual agglomerates vs. impact energy. Diesel aerosol was generated by an idling diesel engine used for passenger vehicles. Both the aerosol emitted directly and aerosol that had undergone ...

  • Fundamentals and application of magnetic particles in

    The DLVO force is simply the sum of the van der Waals force and the electrostatic force due to the so-called double layer of counterions, both of which are large when the interparticle separation is small or if particles are close to the surface of the cell-separation device

  • 武汉文献情报中心

    2016-9-6  40 42.5 59.99 82 1 222 1 277 1 39.950000000000003 89.95 85 1 120 49.99 1 55 3 99 80 1 225 121 1 99.95 84.99 99.99 94.95 1 89.95 139.94999999999999 1 120 190 1 59.99 1 79.989999999999995 169.95 1 55 1 114 1 110 108 34.99 195 69 5 9780124199682

  • Fragmentation and bond strength of airborne diesel

    Fig. 1 shows a schematic diagram of the set-up used for the fragmentation experiments. The engine exhaust gas was diluted 12:1 with dry air to avoid condensation of water in the sampling lines. Under idling conditions the condensation of the volatile organic fraction onto the soot particles occurs in the exhaust system and is therefore not significantly influenced by the dilution.

  • Geotechnical-engineering-handbook Ulrich Smoltzcyk

    Summarizing test results from several test locations at too early stage, by using statistics, may mask the variability of the geotechnical parameter value and/or the presence of weaker zones. Therefore, both the idealization of the soil succession and the determination of derived values should be done for each test location separately. When ...

  • Arrays of magnetic particles - BioArray Solutions, Ltd.

    2013-7-16  The present invention provides a method for the generation of novel libraries of encoded magnetic particles from sub-libraries of by the generation of

  • Mechanochemistry and sonochemistry: concluding remarks

    2014-11-14  This paper offers a perspective on mechanochemistry and offers summarizing commentary on the Faraday Discussion 170, “Mechanochemistry: From Functional ... breakage of polymer chains to molecular motors and biological motion), and ... interparticle collisions in slurries, and microjetting near surfaces.

  • Chapter Three - Granular Base and Subbase

    2020-7-18  Summarizing the construction practices and layer configurations of these pavement systems, De Beer (2012) presented the following definition for inverted pavements: A structural pavement system, where the static modulus of the unbound base layer is lower compared with the supporting (mainly lightly cementitious) subbase layers.

  • Fundamentals and Application of Magnetic Particles

    The DLVO force is simply the sum of the van der Waals force and the electrostatic force due to the so-called double layer of counterions, both of which are large when the interparticle separation is small or if particles are close to the surface of the cell separation device or container (distances in the vicinity of 10-9-10-10 m) (Hiemenz, 1997).

  • Surface XRF mapping for intraparticle heterogeneity ...

    Sensor-based sorting is perceived as a feasible solution for some of the most critical aspects of mineral processing. There are two basic classes of sensors, 1. those that measure a property characteristic of the bulk of a particle; and 2. those that measure a property of the surface of a particle. For the second class, the surface measurement is then correlated to the bulk property of ...

  • Frontiers Coupled Evolution of Preferential Paths for ...

    A disordered and heterogeneous, quasi-brittle granular material can withstand certain levels of internal damage before global failure. This robustness depends not just on the bond strengths but also on the topology and redundancy of the bonded contact network, through which forces and damage propagate. Despite extensive studies on quasi-brittle failure, there still lacks a unified framework ...

  • Fragmentation and bond strength of airborne diesel

    Fig. 1 shows a schematic diagram of the set-up used for the fragmentation experiments. The engine exhaust gas was diluted 12:1 with dry air to avoid condensation of water in the sampling lines. Under idling conditions the condensation of the volatile organic fraction onto the soot particles occurs in the exhaust system and is therefore not significantly influenced by the dilution.

  • Chapter Three - Granular Base and Subbase

    2020-7-18  Summarizing the construction practices and layer configurations of these pavement systems, De Beer (2012) presented the following definition for inverted pavements: A structural pavement system, where the static modulus of the unbound base layer is lower compared with the supporting (mainly lightly cementitious) subbase layers.

  • Experimental investigation of the effect of broken ore ...

    Block cave mining is experiencing a global growth in importance as new large, lower grade and deeper ore bodies favouring underground mass mining methods are developed. With block caving, the rock mass fragmentation process is decisive in the design and success of the operation. The last stage of this fragmentation process known as secondary fragmentation, plays a major role in the design and ...

  • Pharmaceutics Free Full-Text Using a Material

    The purpose of this study is to use a material library to investigate the effect of raw material properties on ribbon tensile strength (TS) and solid fraction (SF) in the roll compaction (RC) process. A total of 81 pharmaceutical materials, including 53 excipients and 28 natural product powders (NPPs), were characterized by 22 material descriptors and were compacted under five different ...

  • Mechanochemistry and sonochemistry: concluding remarks

    2014-11-14  This paper offers a perspective on mechanochemistry and offers summarizing commentary on the Faraday Discussion 170, “Mechanochemistry: From Functional ... breakage of polymer chains to molecular motors and biological motion), and ... interparticle collisions in slurries, and microjetting near surfaces.

  • All abstracts APCChE2019

    2019-12-21  SP01 Characterization of expanded perlite from Albay, Bicol, Philippines with chitosan as adsorbent medium and the design of a fixed-bed column for the adsorption of Ni(II), Cu(II) from synthetic rainwater Hazil MAGPAYO 1,2, Sam Denielle TUGAOEN 1,2, Sheralyn FUERTE 1,2, Michael Anthony CASTILLO 1,2, Jerica DEOCAREZA 1,2, Jeanelle IGNACIO 1,2, and Lola Domnina PESTAŇO 1,2

  • Drilling on Mars Mathematical Model for Rotary

    2018-10-10  workpiece requires breakage. JPL jointly with Cybersonic, Inc. were the first to develop a drill called Ultrasonic/Sonic Driller/Corer (USDC) where sonic frequency oscillations to the ultrasonic actuation (Bar-Cohen and Sherrit, 2001). This design was followed by numerous modifications since it was Figure 29: UAD excitation, Bar-Cohen and Zacny ...