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Articoli di riviste sul tema "Interparticle forces"

Autore: Grafiati

Pubblicato: 25 gennaio 2025

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1

Ishida, Naoyuki. "1. Particle Characteristics and Measurement 1.9 Interparticle Forces 1.9.5 Interparticle Forces and Simulation". Journal of the Society of Powder Technology, Japan 55, n. 12 (10 dicembre 2018): 645–47. http://dx.doi.org/10.4164/sptj.55.645.

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2

Ishida, Naoyuki, e Shuji Matsusaka. "1.9.6 Summary of Interparticle Forces". Journal of the Society of Powder Technology, Japan 55, n. 12 (10 dicembre 2018): 648. http://dx.doi.org/10.4164/sptj.55.648.

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3

Colbeck, I., e J. Amass. "Electrostatic interparticle forces -pharmaceutical aerosols". Journal of Aerosol Science 28 (settembre 1997): S283—S284. http://dx.doi.org/10.1016/s0021-8502(97)85142-7.

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4

Colbeck, I., e J. Amass. "Dispersive interparticle forces -pharmaceutical aerosols". Journal of Aerosol Science 29 (settembre 1998): S765—S766. http://dx.doi.org/10.1016/s0021-8502(98)90565-1.

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5

Colbeck, I., e J. Amass. "Polarisation interparticle forces -pharmaceutical aerosols". Journal of Aerosol Science 29 (settembre 1998): S767—S768. http://dx.doi.org/10.1016/s0021-8502(98)90566-3.

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6

Luckham, P. F. "The measurement of interparticle forces". Powder Technology 58, n. 2 (giugno 1989): 75–91. http://dx.doi.org/10.1016/0032-5910(89)80019-1.

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7

Sigmund, W. M., J. Sindel e F. Aldinger. "AFM-studies of interparticle forces". Progress in Colloid & Polymer Science 105, n. 1 (dicembre 1997): 23–26. http://dx.doi.org/10.1007/bf01188919.

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8

Wang, Y. H., e W. K. Siu. "Structure characteristics and mechanical properties of kaolinite soils. II. Effects of structure on mechanical properties". Canadian Geotechnical Journal 43, n. 6 (1 giugno 2006): 601–17. http://dx.doi.org/10.1139/t06-027.

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This paper reports the effects of structure on the mechanical responses of kaolinite with known and controlled fabric associations. The dynamic properties and strength were assessed by resonant column tests and undrained triaxial compression tests, respectively. The experimental results demonstrate that interparticle forces and associated fabric arrangements influence the volumetric change under isotropic compression. Soils with different structures have individual consolidation lines, and the merging trend is not readily seen under an isotropic confinement up to 250 kPa. The dynamic properties of kaolinite were found to be intimately related to the soil structure. Stronger interparticle forces or higher degrees of flocculated structure lead to a greater small-strain shear modulus, Gmax, and a lower associated damping ratio, Dmin. The soil structure has no apparent influence on the critical-state friction angle (ϕ′c = 27.5°), which suggests that the critical stress ratio does not depend on interparticle forces. The undrained shear strength of kaolinite is controlled by its initial packing density rather than by any interparticle attractive forces, and yet the influence of the structure on the effective stress path is obvious.Key words: interparticle forces, shear modulus, damping ratio, stressstrain behavior, undrained shear strength, critical state.

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9

Seville, J. P. K., C. D. Willett e P. C. Knight. "Interparticle forces in fluidisation: a review". Powder Technology 113, n. 3 (dicembre 2000): 261–68. http://dx.doi.org/10.1016/s0032-5910(00)00309-0.

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10

Seipenbusch, M., S. Rothenbacher, M. Kirchhoff, H. J. Schmid, G. Kasper e A. P. Weber. "Interparticle forces in silica nanoparticle agglomerates". Journal of Nanoparticle Research 12, n. 6 (27 settembre 2009): 2037–44. http://dx.doi.org/10.1007/s11051-009-9760-5.

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11

Luo, Dan, Cong Yan e Tie Wang. "Interparticle Forces Underlying Nanoparticle Self-Assemblies". Small 11, n. 45 (5 ottobre 2015): 5984–6008. http://dx.doi.org/10.1002/smll.201501783.

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12

H. Sulaymon, Abbas, e Sawsan A. M. Mohammed. "Drag Forces under Longitudinal Interaction of Two Particle". Iraqi Journal of Chemical and Petroleum Engineering 8, n. 2 (30 giugno 2007): 1–4. http://dx.doi.org/10.31699/ijcpe.2007.2.1.

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Direct measurements of drag force on two interacting particles arranged in the longitudinal direction for particle Reynolds numbers varying from J O to 103 are conducted using a micro-force measurement system. The effect of the interparticle distance and Reynolds number on the drag forces is examined. An empirical equation is obtained to describe the effect of the interparticle distance (l/d) on the dimensionless drag.

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13

Ishida, Naoyuki. "1. Particle Characteristics and Measurement1.9 Interparticle Forces1.9.4 Measurement Methods of Interparticle Forces". Journal of the Society of Powder Technology, Japan 55, n. 10 (10 ottobre 2018): 542–46. http://dx.doi.org/10.4164/sptj.55.542.

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14

Velegol, Darrell. "Assembling colloidal devices by controlling interparticle forces". Journal of Nanophotonics 1, n. 1 (1 giugno 2007): 012502. http://dx.doi.org/10.1117/1.2759184.

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15

Szilagyi, Istvan, Gregor Trefalt, Alberto Tiraferri, Plinio Maroni e Michal Borkovec. "Polyelectrolyte adsorption, interparticle forces, and colloidal aggregation". Soft Matter 10, n. 15 (2014): 2479. http://dx.doi.org/10.1039/c3sm52132j.

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16

Emeriault, F., e C. S. Chang. "Interparticle forces and displacements in granular materials". Computers and Geotechnics 20, n. 3-4 (gennaio 1997): 223–44. http://dx.doi.org/10.1016/s0266-352x(97)00004-9.

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17

Sun, Weifu, Qinghua Zeng e Aibing Yu. "Computational studies on interparticle forces between nanoellipsoids". RSC Advances 4, n. 73 (13 agosto 2014): 38505. http://dx.doi.org/10.1039/c4ra06809b.

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18

Jůza, Josef, e Ivan Fortelný. "Flow‐Induced Coalescence Involving Attractive Interparticle Forces". Macromolecular Symposia 384, n. 1 (aprile 2019): 1800171. http://dx.doi.org/10.1002/masy.201800171.

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19

Santamarina, J. C., e M. Fam. "Changes in dielectric permittivity and shear wave velocity during concentration diffusion". Canadian Geotechnical Journal 32, n. 4 (1 agosto 1995): 647–59. http://dx.doi.org/10.1139/t95-065.

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This paper documents a study of concentration diffusion with complementary mechanical and electromagnetic wave measurements. The paper starts with a review of the fundamentals of interparticle forces and wave–geomedia interaction. Experimental data were collected during the diffusion of a high-concentration solution of potassium chloride through different soils with different boundary conditions. Bentonite and kaolinite contracted during diffusion. The interaction between the concentration gradient, true interparticle forces, and fabric changes produced a pore-water pressure front that advanced ahead of the concentration front. The complex permittivity changed with the advance of the concentration front, reflecting the decrease in moisture content and the increase in conductivity. Concentration diffusion affected shear wave propagation through changes in true interparticle forces. Bentonite showed a significant increase in shear wave velocity, whereas the velocity of propagation in kaolinite decreased. Published differences in the behavior of bentonite and kaolinite were compiled and hypotheses are proposed to explain observed phenomena. Key words : mechanical waves, electromagnetic waves, clays, diffusion, double layer.

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20

Bergström, Lennart, E. Blomberg e H. Guldberg-Pedersen. "Interparticle Forces and Rheological Properties of Ceramic Suspensions". Key Engineering Materials 159-160 (maggio 1998): 119–26. http://dx.doi.org/10.4028/www.scientific.net/kem.159-160.119.

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21

Ishida, Naoyuki, e Shuji Matsusaka. "1. Particle Characteristics and Measurement 1.9 Interparticle Forces". Journal of the Society of Powder Technology, Japan 54, n. 11 (2017): 738. http://dx.doi.org/10.4164/sptj.54.738.

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22

Pashley, R. M., e J. P. Quirk. "Ion Exchange and Interparticle Forces Between Clay Surfaces". Soil Science Society of America Journal 53, n. 6 (novembre 1989): 1660–67. http://dx.doi.org/10.2136/sssaj1989.03615995005300060008x.

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23

Klingenberg, D. J., C. H. Olk, M. A. Golden e J. C. Ulicny. "Effects of nonmagnetic interparticle forces on magnetorheological fluids". Journal of Physics: Condensed Matter 22, n. 32 (15 luglio 2010): 324101. http://dx.doi.org/10.1088/0953-8984/22/32/324101.

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24

Steshenko, A. I. "Nontraditional role of interparticle forces in quantum mechanics". Physics of Atomic Nuclei 69, n. 8 (agosto 2006): 1279–92. http://dx.doi.org/10.1134/s1063778806080035.

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25

DOINIKOV, ALEXANDER A. "Acoustic radiation interparticle forces in a compressible fluid". Journal of Fluid Mechanics 444 (25 settembre 2001): 1–21. http://dx.doi.org/10.1017/s0022112001005055.

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An analytical expression is derived for the time-averaged radiation force induced by an acoustic wave field between N particles freely suspended in a fluid. Both the host fluid and the medium inside the particles are assumed to be ideal compressible fluids. The incident field is assumed to be moderate so that the scattered and refracted fields of the particles can be taken to linear approximation. Multiple re-scattering of sound between the particles and shape modes of all orders are allowed for. No restrictions are imposed on the size of the particles, the separation distances between them and their number. The present study substantially extends the existing theory, which is based on essential simplifications and valid only for pairwise interactions. In particular, the new theory allows one to follow continuously the evolution of the radiation interaction force from large to small separation distances. The general results are illustrated in the case of two air bubbles in water. It is shown that generally the interbubble force behaves in far more complicated way than is predicted by the classical Bjerknes theory.

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26

Wang, Wei. "Effects of Interparticle Forces on the Particle Pressure". Industrial & Engineering Chemistry Research 46, n. 4 (febbraio 2007): 1333–37. http://dx.doi.org/10.1021/ie0514197.

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27

Yu, A. B., C. L. Feng, R. P. Zou e R. Y. Yang. "On the relationship between porosity and interparticle forces". Powder Technology 130, n. 1-3 (febbraio 2003): 70–76. http://dx.doi.org/10.1016/s0032-5910(02)00228-0.

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28

Takase, Hitoshi. "Influence of interparticle forces on selective wet agglomeration". Advanced Powder Technology 20, n. 4 (luglio 2009): 327–34. http://dx.doi.org/10.1016/j.apt.2009.01.005.

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29

Klingenberg, D. J., C. K. Olk, M. A. Golden e J. C. Ulicny. "Effects of nonmagnetic interparticle forces on magnetorheological fluids". Journal of Physics: Conference Series 149 (1 febbraio 2009): 012063. http://dx.doi.org/10.1088/1742-6596/149/1/012063.

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30

Luckham, P. F., e B. A. de L. Costello. "Recent developments in the measurement of interparticle forces". Advances in Colloid and Interface Science 44 (maggio 1993): 183–240. http://dx.doi.org/10.1016/0001-8686(93)80024-6.

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31

Mostoufi, Navid. "Revisiting classification of powders based on interparticle forces". Chemical Engineering Science 229 (gennaio 2021): 116029. http://dx.doi.org/10.1016/j.ces.2020.116029.

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32

Darewych, Jurij W., e Askold Duviryak. "Interparticle Forces in QFTs with Nonlinear Mediating Fields". Few-Body Systems 50, n. 1-4 (2 aprile 2011): 299–301. http://dx.doi.org/10.1007/s00601-011-0230-0.

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33

Jenkins, Ian C., John C. Crocker e Talid Sinno. "Interaction potentials from arbitrary multi-particle trajectory data". Soft Matter 11, n. 35 (2015): 6948–56. http://dx.doi.org/10.1039/c5sm01233c.

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34

Russel, William B. "Concentrated Colloidal Dispersions". MRS Bulletin 16, n. 8 (agosto 1991): 27–31. http://dx.doi.org/10.1557/s0883769400056293.

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The rheology of dispersions often appears to be extraordinarily complex since these materials traverse all states of matter from simple Newtonian fluids to Hookean solids. Highly nonlinear viscoplastic or viscoelastic responses, with persistent time dependence, often frustrate attempts to address the mechanics without attempting to characterize the composition or understand the thermodynamics. The difficulty lies in the sensitivity of the stresses to the microstructure, which in turn depends on the interparticle forces and the deformation history.However, combining rheological measurements with other probes of the structure can permit one to anticipate the response under different conditions and, sometimes, to elucidate the relevant forces. Even better, one may learn to manipulate the composition to obtain the rheology desired for a specific process or a particular product, such as thickeners for coatings. The key lies in linking the composition, interparticle forces, and rheology. This review illustrates the current knowledge of those relationships and identifies some sources, from which the bulk of the content comes for those who wish to pursue the subject further.This brief treatment first surveys phase behavior and interparticle forces. These concepts, combined with dimensional analysis and simple ideas from statistical mechanics, motivate correlations of data for well-characterized, stable dispersions and both weakly and strongly flocculated dispersions.

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35

Liu, S. H. "Simulating a direct shear box test by DEM". Canadian Geotechnical Journal 43, n. 2 (1 febbraio 2006): 155–68. http://dx.doi.org/10.1139/t05-097.

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Distinct element simulation was performed for direct shear box (DSB) tests on a dense and a loose two-dimensional (2D) sample of 3259 cylinders. Special attention was devoted to the effect that the frictional force between the inside surface of the upper shear box and the sample had on the measured shear strength in the DSB test. Some ways of minimizing this interface frictional force were introduced in the paper. Given that the deformation approximates simple shear within the deforming zone across the sample centre (referred to as the shear zone), a method was proposed to evaluate the overall strains in the DSB test. The numerically simulated data were used to interpret, on a microscopic scale, the angle of internal friction and a 2D stressdilatancy equation for the mobilized plane in granular material. It was found that the angle of internal friction in granular material is not directly related to the interparticle friction angle (ϕµ). Instead, it relates to the average interparticle contact angle ([Formula: see text]) on the mobilized plane and the ratio k/f0, representing the degree of the probability distribution of the interparticle contact forces that is biased toward the positive zone of the contact angle θ (along the shear direction), where k is the slope of the linear distribution of the average interparticle contact forces against the interparticle contact angle; and f0 is the average interparticle contact force.Key words: angle of internal friction, direct shear box test, distinct element method, friction, granular material, stressdilatancy.

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36

Pillai, Pramod P., Bartlomiej Kowalczyk e Bartosz A. Grzybowski. "Self-assembly of like-charged nanoparticles into microscopic crystals". Nanoscale 8, n. 1 (2016): 157–61. http://dx.doi.org/10.1039/c5nr06983a.

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37

Zhai, Chongpu, Eric B. Herbold e Ryan C. Hurley. "The influence of packing structure and interparticle forces on ultrasound transmission in granular media". Proceedings of the National Academy of Sciences 117, n. 28 (29 giugno 2020): 16234–42. http://dx.doi.org/10.1073/pnas.2004356117.

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Ultrasound propagation through externally stressed, disordered granular materials was experimentally and numerically investigated. Experiments employed piezoelectric transducers to excite and detect longitudinal ultrasound waves of various frequencies traveling through randomly packed sapphire spheres subjected to uniaxial compression. The experiments featured in situ X-ray tomography and diffraction measurements of contact fabric, particle kinematics, average per-particle stress tensors, and interparticle forces. The experimentally measured packing configuration and inferred interparticle forces at different sample stresses were used to construct spring networks characterized by Hessian and damping matrices. The ultrasound responses of these network were simulated to investigate the origins of wave velocity, acoustic paths, dispersion, and attenuation. Results revealed that both packing structure and interparticle force heterogeneity played an important role in controlling wave velocity and dispersion, while packing structure alone quantitatively explained most of the observed wave attenuation. This research provides insight into time- and frequency-domain features of wave propagation in randomly packed granular materials, shedding light on the fundamental mechanisms controlling wave velocities, dispersion, and attenuation in such systems.

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38

Claesson, P. M., J. L. Parkert e J. C. Fröberg. "NEW SURFACES AND TECHNIQUES FOR STUDIES OF INTERPARTICLE FORCES". Journal of Dispersion Science and Technology 15, n. 3 (gennaio 1994): 375–97. http://dx.doi.org/10.1080/01932699408943564.

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39

Rowlinson, J. S. "Attracting spheres: Some early attempts to study interparticle forces". Physica A: Statistical Mechanics and its Applications 244, n. 1-4 (ottobre 1997): 329–33. http://dx.doi.org/10.1016/s0378-4371(97)00243-4.

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40

Zollars, Richard L., e Syed I. Ali. "Shear coagulation in the presence of repulsive interparticle forces". Journal of Colloid and Interface Science 114, n. 1 (novembre 1986): 149–66. http://dx.doi.org/10.1016/0021-9797(86)90247-x.

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41

Leong, Y. K., P. J. Scales, T. W. Healy e D. V. Boger. "Interparticle forces arising from adsorbed polyelectrolytes in colloidal suspensions". Colloids and Surfaces A: Physicochemical and Engineering Aspects 95, n. 1 (febbraio 1995): 43–52. http://dx.doi.org/10.1016/0927-7757(94)03010-w.

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42

Wernet, R., A. G. Schunck, W. Baumann, H. R. Paur e M. Seipenbusch. "Quantification of interparticle forces by energy controlled fragmentation analysis". Journal of Aerosol Science 84 (giugno 2015): 14–20. http://dx.doi.org/10.1016/j.jaerosci.2015.02.008.

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43

Leong, Yee-Kwong, e Ban-Choon Ong. "Polyelectrolyte-mediated interparticle forces in aqueous suspensions: Molecular structure and surface forces relationship". Chemical Engineering Research and Design 101 (settembre 2015): 44–55. http://dx.doi.org/10.1016/j.cherd.2015.07.001.

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44

Akinc, Mufit, e Chuan Ping Li. "Rheology of Nanometric Powders". Advances in Science and Technology 45 (ottobre 2006): 347–55. http://dx.doi.org/10.4028/www.scientific.net/ast.45.347.

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Use of environmentally friendly processing additives for nanometric powders has tremendous technological implications. In this study, the rheology of aqueous nanometric alumina powdersuspensions and variation of viscosity with solids content and with fructose concentration were studied by rheometry. The mechanism of dramatic viscosity reduction by fructose addition is studied by differential scanning calorimetry (DSC) and thermogravimetry (TGA). The interparticle forces between the particles were investigated by colloidal probe-atomic force microscopy (CP-AFM). DSC indicates that the significant fraction of water is bound on the surface hence does not contribute to flow of the particles. It also indicates that the fructose displaces water from the particle surface and reducing the interparticle forces. The interactions between the nanometric alumina particles in water can be explained by the DLVO theory. The interaction forces (amplitude and range) between nanometric alumina particles decrease with increasing fructose concentration.

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45

Chen, Lei, Wei Liu, Dongyi Shen, Yuehan Liu, Zhihao Zhou, Xiaogan Liang e Wenjie Wan. "All-optical tunable plasmonic nano-aggregations for surface-enhanced Raman scattering". Nanoscale 11, n. 28 (2019): 13558–66. http://dx.doi.org/10.1039/c9nr04906a.

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Interparticle forces play a crucial role in nanoparticle-based nanoscience and nanoengineering for synthesizing new materials, manipulating nanoscale structures, understanding biological processes and ultrasensitive sensing.

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46

Suhag, Rajat, Abdessamie Kellil e Mutasem Razem. "Factors Influencing Food Powder Flowability". Powders 3, n. 1 (28 febbraio 2024): 65–76. http://dx.doi.org/10.3390/powders3010006.

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The flowability of food powders is a critical determinant of their processing efficiency, product quality, and overall operational success. This review delves into the intricacies of powder flowability, elucidating the factors that govern it and exploring various methods for its evaluation and enhancement. Particle size and distribution, particle shape, surface properties, moisture content, and storage conditions stand as the key determinants of powder flowability. Finer powders, with their increased interparticle cohesive forces, tend to exhibit poorer flowability. Particle shape also plays a role, with irregular or elongated particles flowing less readily than spherical ones. Surface properties influence interparticle friction, thereby impacting flow behavior. Moisture content significantly affects flowability, as increased moisture can lead to liquid bridge formation, hindering powder movement. Storage temperature, on the other hand, generally enhances powder flow due to reduced interparticle cohesive forces at higher temperatures. This highlights the need to understand the factors influencing food powder flowability and to employ appropriate evaluation strategies for optimizing food powder processing efficiency, product quality, and overall production success.

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47

Okiy, Karinate Valentine. "Effect of Interparticle Friction on the Micromechanical Strength Characteristics of Three Dimensional Granular Media". International Journal of Engineering Research in Africa 16 (giugno 2015): 79–89. http://dx.doi.org/10.4028/www.scientific.net/jera.16.79.

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The role of interparticle friction on the micromechanical strength characteristics of granular assembly subjected to gradual shearing was analyzed. Three dimensional discrete element method (DEM) was applied in the simulation of quasi-static shearing of granular assemblies with varying interparticle frictional coefficients [µ= 0.10, 0.25, 0.50]. From the reported simulation results, analysis of the following was performed for varying interparticle frictional capacities.i. The normal and tangential stress contributions of weak and strong contacts to principal stress components.ii. Contribution of strong and weak contacts to principal and deviator stress.iii. Evolution of mechanical coordination number and fabric anisotropy of strong contact forces.From this analysis, it is safe to conclude that interparticle friction has a direct effect on the major and minor principal stress components in sheared granular assemblies. Consequently, increasing interparticle friction capacity enhances macroscopic shear strength in sheared granular assemblies. Likewise, at the peak shear strength of the sheared granular media, there exists a maximum fabric anisotropy of strong contact forces and this corresponds to a minimum value of mechanical coordination number (minimum possible number of load bearing contacts per particle).

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48

Cavarretta, I., I. Rocchi e M. R. Coop. "A new interparticle friction apparatus for granular materials". Canadian Geotechnical Journal 48, n. 12 (dicembre 2011): 1829–40. http://dx.doi.org/10.1139/t11-077.

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A new apparatus is described that measures interparticle friction between sand-sized grains over relatively large displacements and also under immersion in a fluid. Its relatively simple design allows the key calibrations to be checked by statics. An analysis of the geometry of simple spherical particle contacts and the forces at those contacts revealed that there are strict constraints on the permissible stiffness of the interparticle friction apparatus to avoid stick–slip behaviour. Tests on ball bearings gave highly repeatable data, while others on glass ballotini revealed a significant effect of ambient humidity on the data obtained. The interparticle friction was found to increase with the roughness of the ballotini. Immersion in water increased the interparticle friction slightly for both the ballotini and quartz sand particles, while immersion in oil reduced the friction considerably for the quartz sand, especially at higher contact force levels.

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49

Ding, Yuefei, Anxu Sheng, Feng Liu, Xiaoxu Li, Jianying Shang e Juan Liu. "Reversing the order of changes in environmental conditions alters the aggregation behavior of hematite nanoparticles". Environmental Science: Nano 8, n. 12 (2021): 3820–32. http://dx.doi.org/10.1039/d1en00879j.

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This study reveals how the order of conditional changes affects adsorption kinetics and conformation of proteins on nanoparticle surface, resulting in different interparticle forces, aggregation behavior, and adsorption capability of nanoparticles.

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50

Rödner, Sandra, Nina Andersson, Peter Alberius e Lennart Bergström. "Colloidal Self-Assembly of Ceramics: Interparticle Forces and Structural Control". Key Engineering Materials 247 (agosto 2003): 319–22. http://dx.doi.org/10.4028/www.scientific.net/kem.247.319.

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