Relevant bibliographies by topics / Particle packing

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Particle packing'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Particle packing"

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Liu, Yuan-Yuan, Yaping Zhang, Yanrong Li, and Yi-Chen Guo. "Combined Influence of Particle Shape and Fabric on the Shear Behaviour of Granular Materials." Advances in Materials Science and Engineering 2022 (November 23, 2022): 1–15. http://dx.doi.org/10.1155/2022/5993323.

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The anisotropy feature is an important characteristic of granular materials in natural life and is caused by two facts: the anisotropy feature of particle shape, such as an elongated or flattened shape, and the anisotropy feature of the packing fabric, such as the preferable orientation of particle alignment. The discrete element method has been commonly used in the study of meso-mechanics of granular materials and is in our study to simulate the direct shear test with particles of various aspect ratios under different initial orientation alignment conditions for assessing the coupled influenc
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Iniyatova, Gulfairuz, Assiya Yermukhambetova, Aidana Boribayeva, and Boris Golman. "Approximate Packing of Binary Mixtures of Cylindrical Particles." Micromachines 14, no. 1 (2022): 36. http://dx.doi.org/10.3390/mi14010036.

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Particle packing plays an essential role in industry and chemical engineering. In this work, the discrete element method is used to generate the cylindrical particles and densify the binary cylindrical particle mixtures under the poured packing conditions. The influences of the aspect ratio and volume fraction of particles on the packing structure are measured by planar packing fraction. The Voronoi tessellation is used to quantify the porous structure of packing. The cumulative distribution functions of local packing fractions and the probability distributions of the reduced free volume of Vo
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Miao, Yinghao, Xin Liu, Yue Hou, Juan Li, Jiaqi Wu, and Linbing Wang. "Packing Characteristics of Aggregate with Consideration of Particle size and Morphology." Applied Sciences 9, no. 5 (2019): 869. http://dx.doi.org/10.3390/app9050869.

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The packing characteristics of aggregates are very important for aggregate blend design, which is closely related to the performance of mixtures. In this study, an indoor packing experiment was designed to investigate the behaviors of single-size particle packing and two-size particle packing. The effects of particle composition, particle size and size ratio, particle morphology on packing characteristics were also evaluated. Two kinds of aggregates (crushed stone and gravel) with significant morphological differences were selected for the test. The angularity of the aggregates was quantitativ
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Wiącek, Joanna, Mateusz Stasiak, and Jalal Kafashan. "Structural and Micromechanical Properties of Ternary Granular Packings: Effect of Particle Size Ratio and Number Fraction of Particle Size Classes." Materials 13, no. 2 (2020): 339. http://dx.doi.org/10.3390/ma13020339.

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The confined uniaxial tests of packings with discrete particle size distribution (PSD) were modeled with the discrete element method. Ternary packings of spheres with PSD uniform or nonuniform by number of particles were examined in three-dimensional (3D) system. The study addressed an effect of the particle size ratio and the particle size fraction on structural and micromechanical properties of mixtures. A study of packing structure included porosity and coordination numbers, while the investigation of micromechanical properties included distribution of normal contact forces and stress trans
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Jiang, Haoran, Reid Kawamoto, and Takashi Matsushima. "Exploring the combined effect of particle shape and friction on cell structures in granular packings via LS-DEM modeling." IOP Conference Series: Earth and Environmental Science 1330, no. 1 (2024): 012047. http://dx.doi.org/10.1088/1755-1315/1330/1/012047.

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Abstract To comprehensively understand and predict the macroscopic behavior of a granular system, one must consider not only the properties of individual particles but also the local structures. In this study, we prepare mechanically stable granular packings of super disks using the two-dimensional level set discrete element method (LS-DEM). We identify the cells, the irreducible loops enclosed by contacting particles, in the prepared granular packings and then analyze the statistics of these structures. We find the following. (1) The packing fraction or mean coordination number of studied sys
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Zhao, Tingting, Y. T. Feng, and Yuanqiang Tan. "Characterising 3D spherical packings by principal component analysis." Engineering Computations 37, no. 3 (2019): 1023–41. http://dx.doi.org/10.1108/ec-05-2019-0225.

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Purpose The purpose of this paper is to extend the previous study [Computer Methods in Applied Mechanics and Engineering 340: 70-89, 2018] on the development of a novel packing characterising system based on principal component analysis (PCA) to quantitatively reveal some fundamental features of spherical particle packings in three-dimensional. Design/methodology/approach Gaussian quadrature is adopted to obtain the volume matrix representation of a particle packing. Then, the digitalised image of the packing is obtained by converting cross-sectional images along one direction to column vector
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Amano, Yuto, Takashi Itoh, Hoshiaki Terao, and Naoyuki Kanetake. "Prediction of Packing Density of Milled Powder Based on Packing Simulation and Particle Shape Analysis." Materials Science Forum 534-536 (January 2007): 1621–24. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.1621.

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For precise property control of sintered products, it is important to know the powder characteristics, especially the packing density of the powder. In a previous work, we developed a packing simulation program that could make a packed bed of spherical particles having particle size distribution. In order to predict the packing density of the actual powder that consisted of nonspherical particles, we combined the packing simulation with a particle shape analysis. We investigated the influence of the particle size distribution of the powder on the packing density by executing the packing simula
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Sun, Shaobo, Huisu Chen, and Jianjun Lin. "A Universal Method for Modeling and Characterizing Non-Circular Packing Systems Based on n-Point Correlation Functions." Materials 15, no. 17 (2022): 5991. http://dx.doi.org/10.3390/ma15175991.

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A universal method for modeling and characterizing non-circular particles is developed. The n-point correlation functions (n = 1, 2 and 3) are efficiently computed with a GPU parallel computing procedure. An algorithm for dynamic packing of impenetrable non-circular particles is developed based on the fast estimation of overlap information using a one-point correlation function. The packing algorithm is independent of particle shape and proved to be reliable by examples of polygons and super-ellipses. In addition, penetrable packings are generated in an efficient and precise way. Using a two-p
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Dinger, Dennis R., and James E. Funk. "Particle-Packing Phenomena and Their Application in Materials Processing." MRS Bulletin 22, no. 12 (1997): 19–23. http://dx.doi.org/10.1557/s0883769400034692.

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Particle packing is directly controlled by the particle-size distribution of a material being processed. For this reason, particle packing is important to all particulate/fluid systems. After the solids fraction of a body is defined, interparticle chemistry controls how the body will pack and flow. A system of powders can never pack better than the maximum possible level defined by the particle-size distribution alone. Proper control of interparticle chemistry however can help achieve maximum packing, can be used to open the structure, and/or can be used to modify rheological or other process
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Wang, Yutao, Wei Deng, Zhaohui Huang, and Shuixiang Li. "Descriptor-free unsupervised learning method for local structure identification in particle packings." Journal of Chemical Physics 156, no. 15 (2022): 154504. http://dx.doi.org/10.1063/5.0088056.

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Local structure identification is of great importance in many scientific and engineering fields. However, mathematical and supervised learning methods mostly rely on specific descriptors of local structures and can only be applied to particular packing configurations. In this work, we propose an improved unsupervised learning method, which is descriptor-free, for local structure identification in particle packing. The point cloud is used as the input of the improved method, which directly comes from spatial positions of particles and does not rely on specific descriptors. The improved method c
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Dissertations / Theses on the topic "Particle packing"

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Chan, Ka-wai, and 陳嘉威. "Particle packing modeling incorporating the wedging effect." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B50900055.

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The packing of solid particles is an important research topic in particle mechanics and powder technology. However, it is difficult to predict and measure the packing density of particles. Although theoretical models for prediction and test methods for measurement have been developed, the predicted values and measured results do not always agree with each other. Through in-depth review of the theoretical predictions by the existing 2-parameter model and the respective measured results, it is postulated in this thesis that the discrepancies between the predicted values and measured results are
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Zheng, Xiao-Qin Materials Science &amp Engineering Faculty of Science UNSW. "Packing of particles during softening and melting process." Awarded by:University of New South Wales. School of Materials Science & Engineering, 2007. http://handle.unsw.edu.au/1959.4/31517.

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Softening deformation of iron ore in the form of sinter, pellet, and lump ore in the cohesive zone of an ironmaking blast furnace is an important phenomenon that has a significant effect on gas permeability and consequently blast furnace production efficiency. The macroscopic softening deformation behavior of the bed and the microscopic deformation behavior of the individual particles in the packed bed are investigated in this study using wax balls to simulate the fused layer behavior of the cohesive zone. The effects of softening temperature, load pressure, and bed composition (mono - single
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Caulkin, Richard. "Applications of the DigiPac Model for Particle Packing." Thesis, University of Leeds, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491658.

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Chen, Xiaolin. "Particle packing, compaction and sintering in powder metallurgy." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0014/NQ34746.pdf.

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Che, Lida. "Numerical constitutive laws for powder compaction using particle properties and packing arrangement." Thesis, University of Leicester, 2017. http://hdl.handle.net/2381/40677.

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Numerical studies, calibrated and validated using experiments, were carried out to develop a constitutive law for powder compaction. In order to simulate powder compaction at particle level, single particle compression/breakage test is used to characterise the mechanical properties, which include elastic modulus, Poisson’s ratio and yield strength. Finite Element Analysis (FEA) of single particle compression was carried out and validated vs. single particle compression testing and then used to establish a suitable hardening law. The particle size, shape and packing arrangement were obtained us
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Chellappah, Kuhan. "A study of the filtration of fibre/particle mixtures." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6323.

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This thesis investigates the constant pressure cake filtration of interacting cellulose fibre/TiO2 (rutile) mixtures, and involved experimental studies using an automated pressure filtration apparatus. The influence of suspension composition, filtration pressure and solution environment on filtration has been discussed in relation to cake properties such as average cake porosity and specific resistance. To help interpret the filtration results, sedimentation data were also obtained. The average porosities of filter cakes formed from pure rutile and fibre suspensions in deionised water were app
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Chao, Chien-Wei. "An Improved Dynamic Particle Packing Model for Prediction of the Microstructure in Porous Electrodes." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5632.

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The goal of this work is to develop a model to predict the microstructure of Li-ion batteries, specifically focusing on the cathode component of the batteries. This kind of model has the potential to assist researchers and battery manufacturers who are trying to optimize the capacity, cycle life, and safety of batteries. Two dynamic particle packing (DPP) microstructure models were developed in this work. The first is the DPP1 model, which simulates the final or dried electrode structure by moving spherical particles under periodic boundaries using Newton's laws of motion. The experience deriv
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Lohmander, Sven. "The influence of particle shape of coating pigments on their packing ability and on the flow properties of coating colours." Doctoral thesis, KTH, Pulp and Paper Technology, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3044.

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<p>The influence of particle shape of coating pigments on theirpacking ability and on the flow properties of coating colourshas been investigated. The particle shapes considered werespherical, flaky and acicular (needle-shaped). In the case ofsuspensions containing monodisperse spherical polystyreneparticles, a concentration gradient appeared in the filter cakeforming during filtration under static conditions. Such agradient, monitoredby non-destructive magnetic resonanceimaging (MRI), is not accounted for in the traditionalfiltration theory used in coating technology. Good agreementwas found
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Conceição, Edilene de Souza. "Influência da distribuição granulométrica no empacotamento de matérias-primas na formulação de porcelânicos." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3133/tde-04112011-150732/.

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Materiais complexos como porcelanas e porcelanatos tem suas propriedades maximizadas quando atingem altas densidades finais após a sinterização. Contudo, a sua formulação contém no mínimo quatro matérias- primas diferentes, sendo o caulim a maior parte, mas também contendo quartzo e feldspatos. A granulometria final da mistura é controlada por uma única etapa de moagem de todos os materiais misturados. O objetivo deste trabalho foi obter combinações de diferentes granulometrias de ortoclásio, albita e quartzo com uma única granulometria de caulim através de cálculos de m
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Ng, Priscilla, Priscilla Ng, and Priscilla Ng. "Simulating Particle Packing During Powder Spreading For Selective Laser Melted Additive Manufacturing Using The Discrete Element Method In Abaqus." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2162.

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Metal additive manufacturing allows for the rapid production of complex parts that are otherwise impractical using conventional subtractive manufacturing techniques. Applications for additive manufacturing span across a broad array of industries including aerospace, automotive, and medical, among many others. One metric of printing success is material properties, including part density. While there has been extensive research completed for the density of printed parts, there is little published work concerning powder packing density on the build plate associated with powder spreading. In this
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Books on the topic "Particle packing"

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Pradhan, Subhasis, Shailendra Kumar, and Sudhirkumar V. Barai. Particle Packing Method for Recycled Aggregate Concrete. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7516-7.

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Cumberland, D. J. The packing of particles. Elsevier, 1987.

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Cumberland, D. J. Optimisation of packing of powder particles as an aid to solid phase compaction. Dept. ofMech. and Industrial Engineering, The Queen's Univ. of Belfast, 1985.

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A, Willhoft Edward M., ed. Aseptic processing and packaging of particulate foods. Blackie Academic & Professional, 1993.

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Particle packing characteristics. Metal Powder Industries Federation, 1989.

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Yu, Aibing. Particle Packing and Transport Phenomena. Springer, 2024.

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Pradhan, Subhasis. Particle Packing Method for Recycled Aggregate Concrete. Springer, 2024.

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Bidkar, Kisan Laxman. Study of Particle Packing Theory: For Concrete Mix Proportioning Using LISA. LAP LAMBERT Academic Publishing, 2021.

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Mattissen, Johanna. Sub-Types of Polysynthesis. Edited by Michael Fortescue, Marianne Mithun, and Nicholas Evans. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199683208.013.5.

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The structural heterogeneity of polysynthetic languages is captured by a sublassification of allegedly polysynthetic languages according to their word-formational type (number of roots allowed in a verb form), namely, compositional, transitional, or affixal, and their internal organization (template vs. scope or both). Further parameters show correlations to these independent ones: the number of participants encoded on a verb, the imaginable evolutionary path via which the structure has come about, namely layering (“onion type”), internal expansion (“sandwich type”) or coalescence (“burdock ty
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Book chapters on the topic "Particle packing"

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Johnson, G. D. W., R. H. Ottewill, and A. R. Rennie. "Characterisation of Particle Packing." In Modern Aspects of Colloidal Dispersions. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-6582-2_8.

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Angelidakis, Vasileios, Michael Blank, Eric J. R. Parteli, et al. "DEM Simulation of the Powder Application in Powder Bed Fusion." In Springer Tracts in Additive Manufacturing. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-78350-0_13.

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Abstract The packing behavior of powders is significantly influenced by various types of inter-particle attractive forces, including adhesion and non-bonded van der Waals forces [4, 7, 8, 19, 41, 43]. Alongside particle size and shape distributions, the inter-particle interactions, particularly frictional and adhesive forces, play a crucial role in determining the flow behavior and consequently the packing density of the powder layer. The impact of various types of attractive forces on the packing density of powders with different materials and particle size distributions remains largely unexp
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Romanova, Tetyana, Yuri Stoian, Andrii Chuhai, Georgiy Yaskov, and Oksana Melashenko. "Fast Heuristic for Particle Packing Problem." In Smart Technologies in Urban Engineering. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-46874-2_11.

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Funk, James E., and Dennis R. Dinger. "Fundamentals of Particle Packing, Monodisperse Spheres." In Predictive Process Control of Crowded Particulate Suspensions. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-3118-0_5.

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Funk, James E., and Dennis R. Dinger. "Computer Modelling of Particle Packing Phenomena." In Predictive Process Control of Crowded Particulate Suspensions. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-3118-0_8.

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Funk, James E., and Dennis R. Dinger. "Review of Packing in Polydisperse Particle Systems." In Predictive Process Control of Crowded Particulate Suspensions. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-3118-0_4.

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Pradhan, Subhasis, Shailendra Kumar, and Sudhirkumar V. Barai. "Background on Techniques for Sustainable Use of Recycled Aggregate and Application of Particle Packing Method." In Particle Packing Method for Recycled Aggregate Concrete. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7516-7_1.

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Pradhan, Subhasis, Shailendra Kumar, and Sudhirkumar V. Barai. "Macro-level Performance Assessment of Concrete: Conventional Approach." In Particle Packing Method for Recycled Aggregate Concrete. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7516-7_5.

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Pradhan, Subhasis, Shailendra Kumar, and Sudhirkumar V. Barai. "Performance Assessment of Concrete: Meso-, Micro-, Nano-level, and Physio-chemical Analysis." In Particle Packing Method for Recycled Aggregate Concrete. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7516-7_7.

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Pradhan, Subhasis, Shailendra Kumar, and Sudhirkumar V. Barai. "Macro-level Performance Assessment of Concrete: Experimental Fracture Analysis." In Particle Packing Method for Recycled Aggregate Concrete. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7516-7_6.

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Conference papers on the topic "Particle packing"

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Yang, Jian, Qiuwang Wang, and Min Zeng. "Numerical Study of Flow and Heat Transfer in Novel Structure Packed Beds." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88145.

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A forced convection heat transfer inside micro pores of structure packed beds with spherical or ellipsoidal particles are numerically studied in this paper. Three-dimensional Navier-Stokes equations and RNG k-ε turbulence model with scalable wall function are adopted for present computations. The effects of packing form and particle shape are carefully studied and the flow and heat transfer performances in uniform and nonuniform packed beds are also compared in detail. The macroscopic hydrodynamic and heat transfer results are obtained from micro pore cells by using integrating method. The res
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Stengel, T., F. Wiese, and N. Obermeier. "Random Dense Packing of Continuous Distributions of Spherical Particles - Use of Particle Packing Model and Discrete-Particle-Method to predict Particle Spacing Factors." In VIII International Conference on Particle-Based Methods. CIMNE, 2023. http://dx.doi.org/10.23967/c.particles.2023.046.

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Rubén Adrián, Cuba Lajo, and Loaiza Fernández Manuel Eduardo. "Indexed Parallel Sphere Packing for Arbitrary Domains." In 9th International Conference on Artificial Intelligence and Applications (AIAPP 2022). Academy and Industry Research Collaboration Center (AIRCC), 2022. http://dx.doi.org/10.5121/csit.2022.120918.

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Particle packings are used to simulate granular matter, which has various uses in industry. The most outstanding characteristics of these are their density and their construction time, the density refers to the percentage of the space of the object filled with particles, this is also known as compaction or solid fraction. Particle packing seeks to be as dense as possible, work on any object, and have a low build time. Currently there are proposals that have significantly reduced the construction time of a packing and have also managed to increase the density of these, however, they have certai
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Shi, Yu, and Yuwen Zhang. "Simulation of Random Packing of Spherical Particles With Different Size Distributions." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15271.

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A numerical model for a loose packing process of spherical particles is presented. The simulation model starts with randomly choosing a sphere according to a pre-generated continuous particle-size distribution, and then dropping the sphere into a dimension-specified box, and obtaining its final position by using dropping and rolling rules which are derived from similar physical process of spheres dropping in the gravitational field to minimize its gravity potential. Effects of three different particle-size distributions on the packing structure were investigated. Analysis on the physical backg
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Štefanec, Petra, and Ivan Gabrijel. "The influence of particle packing density optimization on the reduction of the amount of Portland cement in concrete." In 8th Symposium on Doctoral Studies in Civil Engineering. University of Zagreb Faculty of Civil Engineering, 2022. http://dx.doi.org/10.5592/co/phdsym.2022.18.

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In order to reduce the emission of CO2 and the harmful impact on the environment during the production of concrete, it is important to think about the design of concrete mixes. In practice, the amount of cement is reduced by using cement with mineral additives (fillers) or, more rarely, by replacing part of the cement with mineral additives during the preparation of concrete. This does not go into the detailed characterization of the additives, nor the analysis of possible physical and chemical interactions between the particles, which is why the real potential of replacing part of the cement
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Reichart, Markus, Martina Neises-von Puttkamer, Reiner Buck, and Robert Pitz-Paal. "Numerical Assessment of Packing Structures for Gas-Particle Trickle Flow Heat Exchanger for Application in CSP Plants." In ASME 2021 15th International Conference on Energy Sustainability collocated with the ASME 2021 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/es2021-62746.

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Abstract The centrifugal particle receiver (CentRec), a direct absorbing receiver operating with ceramic particles, demonstrated at the Julich solar power tower under solar conditions technical large-scale feasibility, generating particle outlet temperatures up to 965 °C. To push particle based CSP technology further towards commercial application the high particle temperatures have to be transferred to a working fluid, like air. A gas-particle trickle flow direct contact heat exchanger (TFHX) has been identified with great potential for high efficiency heat transfer. Inspired by chemical tric
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Zhang, J., B. Kang, Z. Mi, et al. "Densest Arrangement of Friction Lcm Particles Packing with a Power-Law Grain Size Distribution Via Dem Method." In APOGCE 2024. SPE, 2024. http://dx.doi.org/10.2118/221139-ms.

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Abstract Lost circulation pose a primary challenge in the exploration and development process. For the problem of Lost circulation in fractured formations, the addition of plugging materials with different functions and in specific proportions into the drilling fluid to seal the fractures is the most commonly employed method for lost circulation control in engineering. This paper compares and selects the densest packing model, determining the optimal model for research on lost circulation control. Furthermore, simulations of the densest packing of plugging material particles within fractures w
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Gurrum, Siva P., Jie-Hua Zhao, and Darvin R. Edwards. "Design Optimization of Material Properties in a Particle-Filled Composite Material System." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66646.

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This work presents a methodology implementing random packing of spheres combined with commercial finite element method (FEM) software to optimize the material properties, such as Young’s modulus, Poisson’s ratio, coefficient of thermal expansion (CTE) of two-phase materials used in electronic packaging. The methodology includes an implementation of a numerical algorithm of random packing of spheres and a technique for creating conformal FEM mesh of a large aggregate of particles embedded in a medium. We explored the random packing of spheres with different diameters using particle generation a
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Yuksel, Anil, Michael Cullinan, and Jayathi Murthy. "Polarization Effect on Out of Plane Configured Nanoparticle Packing." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-3075.

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Surface plasmon polaritons are associated with the light-nanoparticle interaction and results in high enhancement in the gap between the particles. Indeed, this is affected by particle size, spacing, interlayer distance and light source properties. Polarization effect on three-dimensional (3D) and out of plane nanoparticle packings are presented herein to understand the out of plane configuration effect by using 532 nm plane wave light. This analysis gives insight on the particle interactions between the adjacent layers for multilayer nanoparticle packings. It has been seen that the electric f
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Li, Zhifeng, Liangzhi Cao, Hongchun Wu, Chenghui Wan, and Tianliang Hu. "Effects of Applying the Implicit Particle Fuel Model for Pebble-Bed Reactors." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60382.

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In the pebble-bed high temperature gas-cooled reactor, there exist randomly located TRISO coated fuel particles in the pebbles and randomly located pebbles in the core, which is known as the double stochastic heterogeneity. In the previous research, the regular lattice pattern was used to approximately simulate the pebble unit cells because the difficulties in modeling the randomly located TRISO geometric. This work aimed at to quantify the stochastic effect of high-temperature gas cooled pebble-bed reactor unit cells, and in view of the strong ability to carry out the accurate simulation of r
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Reports on the topic "Particle packing"

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Baten, Bayezid, Matthew Gombeda, and Nishant Garg. Utilizing a Particle-packing Approach for an Illinois-specific, Nonproprietary, Low-shrinkage UHPC. Illinois Center for Transportation, 2024. http://dx.doi.org/10.36501/0197-9191/24-021.

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Ultra-high-performance concrete (UHPC) represents the next generation of concrete, with a strength 3-4 times greater than traditional concrete (100-120 MPa as opposed to 30-40 MPa). However, most of the commercial UHPC mixes are proprietary and expensive. In this project, we document the development of nonproprietary, cost-effective UHPC mixes primarily using locally sourced or pre-qualified materials in Illinois. The research utilizes the modified Anderson and Andreasen packing model to establish a new parameter: “packing factor” that has a significant influence on the design and performance
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Tibbetts, Caitlin, Dylan Scott, Jameson Shannon, and Jeb Tingle. Sliver Spall Mitigation Field Investigation, Laboratory Study, and Mixture Proportioning Analysis. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48756.

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A combined field and laboratory study was conducted to identify factors contributing to sliver spall of concrete pavements and recommend avenues for prevention. In this study, spall density maps of eight airfields were created, and cores were taken for petrographic analysis. A companion laboratory study evaluated nondestructive testing equipment for identifying concrete prone to sliver spalling. Concrete mix designs with good and poor performance were analyzed for trends in mixture proportioning and aggregate gradation. Spall density mapping indicated sliver spalling was more likely to occur o
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