Academic literature on the topic 'Gas-liquid-solid flows'

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Journal articles on the topic "Gas-liquid-solid flows"

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KAWASAKI, Koji, and Keji NAKATSUJI. "NUMERICAL EXPERIMENT OF GAS-LIQUID PHASE AND SOLID-GAS-LIQUID PHASE FLOWS." PROCEEDINGS OF HYDRAULIC ENGINEERING 46 (2002): 1049–54. http://dx.doi.org/10.2208/prohe.46.1049.

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Douek, R. S., G. F. Hewitt, and A. G. Livingston. "Hydrodynamics of vertical co-current gas-liquid-solid flows." Chemical Engineering Science 52, no. 23 (1997): 4357–72. http://dx.doi.org/10.1016/s0009-2509(97)00182-6.

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KITAHARA, Hiroyuki, and Kunio YOSHIDA. "Flow Patterns for Gas-Liquid and Gas-Liquid-Solid Flows in a Vertical Pipe." JAPANESE JOURNAL OF MULTIPHASE FLOW 3, no. 2 (1989): 145–54. http://dx.doi.org/10.3811/jjmf.3.145.

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Lee, Y. J., and J. H. Kim. "A Review of Holography Applications in Multiphase Flow Visualization Study." Journal of Fluids Engineering 108, no. 3 (1986): 279–88. http://dx.doi.org/10.1115/1.3242575.

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Holographic techniques are used in many fields of science and engineering including flow observation. The purpose of this paper is to review applications of holography to multiphase flow study with emphasis on gas-solid and gas-liquid two-phase flows. The application of holography to multiphase flow has been actively explored in the areas of particle sizing in particulate flows and nuclei population measurements in cavitation study. It is also recognized that holography holds great potential as a means of visualizing dynamic situations inherent in multiphase flows. This potential has been demo
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Sassi, Paolo, Youssef Stiriba, Julia Lobera, Virginia Palero, and Jordi Pallarès. "Experimental Analysis of Gas–Liquid–Solid Three-Phase Flows in Horizontal Pipelines." Flow, Turbulence and Combustion 105, no. 4 (2020): 1035–54. http://dx.doi.org/10.1007/s10494-020-00141-1.

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AbstractThe dynamics of three-phase flows involves phenomena of high complexity whose characterization is of great interest for different sectors of the worldwide industry. In order to move forward in the fundamental knowledge of the behavior of three-phase flows, new experimental data has been obtained in a facility specially designed for flow visualization and for measuring key parameters. These are (1) the flow regime, (2) the superficial velocities or rates of the individual phases; and (3) the frictional pressure loss. Flow visualization and pressure measurements are performed for two and
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Silapov, Begench, and Iulian Nistor. "MOVEMENT OF TWO-PHASE GAS-LIQUID FLOW IN HORIZONTAL AND INCLINED PIPES." Romanian Journal of Petroleum & Gas Technology 4 (75), no. 1 (2023): 61–72. http://dx.doi.org/10.51865/jpgt.2023.01.06.

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"Two-phase flows are found in almost all areas of technology. For example, tubular evaporators, boiling water reactors, boiler blowdown systems, heaters, boilers, gas lift pumps, oil and geothermal wells, oil and gas pipelines, refrigerators, process pipelines, and condensers. Two-phase flows are classified as mixtures. According to the composition of the mixture are divided: (a) for single-component (or one-component) - vapor-liquid flows; (b) multicomponent - gas-liquid flows. One-component mixtures consist of the same substance in different states of aggregation. This can be not only vapor-
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Rampure, Mohan R., Vivek V. Buwa, and Vivek V. Ranade. "Modelling of Gas-Liquid/Gas-Liquid-Solid Flows in Bubble Columns: Experiments and CFD Simulations." Canadian Journal of Chemical Engineering 81, no. 3-4 (2008): 692–706. http://dx.doi.org/10.1002/cjce.5450810348.

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Baltussen, M. W., L. J. H. Seelen, J. A. M. Kuipers, and N. G. Deen. "Direct Numerical Simulations of gas–liquid–solid three phase flows." Chemical Engineering Science 100 (August 2013): 293–99. http://dx.doi.org/10.1016/j.ces.2013.02.052.

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Hosokawa, Shigeo, and Akio Tomiyama. "Turbulence modification in gas–liquid and solid–liquid dispersed two-phase pipe flows." International Journal of Heat and Fluid Flow 25, no. 3 (2004): 489–98. http://dx.doi.org/10.1016/j.ijheatfluidflow.2004.02.001.

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Hegab, A. M., S. A. Gutub, and A. Balabel. "A Developed Numerical Method for Turbulent Unsteady Fluid Flow in Two-Phase Systems with Moving Interface." International Journal of Computational Methods 14, no. 06 (2017): 1750063. http://dx.doi.org/10.1142/s0219876217500633.

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This paper presents the development of an accurate and robust numerical modeling of instability of an interface separating two-phase system, such as liquid–gas and/or solid–gas systems. The instability of the interface can be refereed to the buoyancy and capillary effects in liquid–gas system. The governing unsteady Navier–Stokes along with the stress balance and kinematic conditions at the interface are solved separately in each fluid using the finite-volume approach for the liquid–gas system and the Hamilton–Jacobi equation for the solid–gas phase. The developed numerical model represents th
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Dissertations / Theses on the topic "Gas-liquid-solid flows"

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Cai, Xuan [Verfasser], and B. [Akademischer Betreuer] Frohnapfel. "Interface-Resolving Simulations of Gas-Liquid Two-Phase Flows in Solid Structures of Different Wettability / Xuan Cai ; Betreuer: B. Frohnapfel." Karlsruhe : KIT-Bibliothek, 2016. http://d-nb.info/1126036811/34.

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Liu, Yefei [Verfasser], Kai-Olaf [Akademischer Betreuer] Hinrichsen, and Ville R. I. [Akademischer Betreuer] Kaila. "Two-fluid modeling of gas-solid and gas-liquid flows: Solver development and application / Yefei Liu. Gutachter: Kai-Olaf Hinrichsen ; Ville R. I. Kaila. Betreuer: Kai-Olaf Hinrichsen." München : Universitätsbibliothek der TU München, 2014. http://d-nb.info/1059477254/34.

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Bogner, Simon [Verfasser], Ulrich [Gutachter] Rüde, Manfred [Gutachter] Krafczyk, and Jens [Gutachter] Harting. "Direct Numerical Simulation of Liquid-Gas-Solid Flows Based on the Lattice Boltzmann Method / Simon Bogner ; Gutachter: Ulrich Rüde, Manfred Krafczyk, Jens Harting." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2017. http://d-nb.info/1139171534/34.

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Sassi, Arobba Paolo Juan. "Experimental analysis of multiphase flows. Design and setup of an experimental facility." Doctoral thesis, Universitat Rovira i Virgili, 2021. http://hdl.handle.net/10803/671990.

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Una millor comprensió dels complexos fenòmens que regeixen la dinàmica del fluxos tri-fàsics així com un increment en la capacitat predictiva de la seva dinàmica, són crucials en el disseny i construcció de sistemes fluidics d'interès per a una àmplia gama d'indústries. Aquest treball de recerca presenta el disseny i muntatge de LESLIE, un circuit tancat de baixa pressió destinat a la recerca en la dinàmica de fluxos bifàsics i trifàsics a través de canonades i els seus accessoris. LESLIE està pensat per obtenir mesures de paràmetres clau i caracteritzar fluxos multifàsics amb fases gasoses
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Dong, Xuefeng Materials Science &amp Engineering Faculty of Science UNSW. "Modelling of gas-powder-liquid-solid multiphase flow in a blast furnace." Awarded by:University of New South Wales. School of Materials Science and Engineering, 2004. http://handle.unsw.edu.au/1959.4/20808.

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The ironmaking blast furnace (BF) is a complex reaction vessel involving counter-, coand/ or cross-current flows of gas, powder, liquid, and solids. However, the interactions of these multiphase flows have not been completely understood. The objective of this thesis is to develop a suitable model to simulate the powder flow and accumulation in packed beds and then extend it to numerically investigate the multiphase flow in the furnace. Gas-powder flow in a slot type packed bed has been experimentally studied in order to understand the flow and accumulation behaviour of powder in systems like a
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Cui, Zhe. "Hydrodynamics in a bubble column at elevated pressures and turbulence energy distribution in bubbling gas-liquid and gas-liquid-solid flow systems." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1109956144.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xxiii, 187 p.; also includes graphics Includes bibliographical references (p. 179-187). Available online via OhioLINK's ETD Center
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Rapisarda, Andrea. "Hydrodynamic characterization of two/three phase flow regimes in stirred tank." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Questo progetto di ricerca riguarda i processi di miscelazione in sistemi multifase meccanicamente agitati(regime turbolento). I sistemi studiati sono: gas-liquido, solido-liquido e gas-solido-liquido. Lo scopo è quello di analizzare il movimento delle particelle solide all'interno di un recipiente agitato, calcolandone la velocità(n) alle quali si è ottenuto lo stato di estrazione delle particelle(nJD), della completa dispersione(nCD) e del loading(nloading), attraverso l'uso di due diversi valori di diametro delle particelle. Le misure sono state effettuate utilizzando due giranti su un alb
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Liedtke, Anne-Kathrin. "Study of a new gas-liquid-solid three phase contact mode at millimetric scale : catalytic reactors using “slurry Taylor” flow." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10137/document.

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Des réacteurs avec solide en suspension (« slurry »), très répandu dans l'industrie chimique, du laboratoire à la production, offrent des bonnes capacités en transfert de matière et de chaleur. Leur flexibilité facilite le changement de la phase solide et permet une régénération en continue des catalyseurs en cas de désactivation. Cependant, ils présentent un fort rétro-mélange, et donc un désavantage pour des réactions ayant des enjeux de sélectivité et/ou de conversion poussées. L'écoulement segmenté dit de Taylor est souvent mis en œuvre dans les réacteurs micro-structurés (RMS), grâce à se
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Serres, Marion. "Étude hydrodynamique d'un écoulement gaz-liquide dans un milieu poreux confiné." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN018/document.

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Cette thèse se focalise sur les écoulements gaz-liquide dans un milieu poreux, problématique rencontrée dans des domaines variés allant de la physique fondamentale à la chimie appliquée. Nous avons caractérisé expérimentalement les régimes hydrodynamiques dans deux géométries différentes : un canal millifluidique (écoulement quasi-1D) et une cellule de Hele-Shaw (écoulement quasi-2D). L’originalité de ce travail est d’analyser l’effet du milieu poreux (lits de billes polydisperses ou mousses solides à cellules ouvertes), du confinement (1D/2D) et de la gravité en couplant des approches locales
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Braga, Maria. "Étude des phénomènes de transfert et de l'hydrodynamique dans des réacteurs agités à panier catalytique." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10011/document.

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Parmi les différents outils de laboratoire, les réacteurs agités triphasiques à panier catalytique sont souvent utilisés pour l'acquisition de données cinétiques avec des catalyseurs mis en forme. Malgré sa large utilisation, très peu d'auteurs se sont intéressés à la caractérisation de l'hydrodynamique et des transferts de matière de ces outils. Or, dans les cas de réactions rapides, des limitations hydrodynamiques et/ou au transfert peuvent conduire à des difficultés à discriminer les catalyseurs ou à obtenir des paramètres cinétiques. L'objectif de cette étude était de connaître le domaine
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Book chapters on the topic "Gas-liquid-solid flows"

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Bourloutski, E., and M. Sommerfeld. "Euler/Lagrange Calculations of Gas-Liquid-Solid-Flows in Bubble Columns with Phase Interaction." In Bubbly Flows. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18540-3_19.

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Valentine, Brian G. "Multiphase Flow Phenomena (Gas/Solid and Gas/Liquid Systems)." In Mechanical Engineering Series. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68578-2_3.

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Pandit, Aniruddha. "Multiphase Phenomena and Design of Gas-Solid-Liquid Stirred Tanks." In Handbook of Multiphase Flow Science and Technology. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-4585-86-6_50-1.

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Cavalli, Stella, Rafael F. Alves, Carlos L. Bassani, et al. "Experimental Analysis of Three-Phase Solid-Liquid-Gas Slug Flow with Hydrate-Like Particles." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93456-9_24.

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Yonemoto, Yukihiro, and Tomoaki Kunugi. "Multi-scale Multiphase Flow Gas–Liquid–Solid Interfacial Equation Based on Thermodynamic and Mathematical Approach." In The Surface Wettability Effect on Phase Change. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-82992-6_11.

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Hou, Rong Guo, Chuan Zhen Huang, Jun Wang, Hong Tao Zhu, and Yan Xia Feng. "Simulation of Gas-Solid-Liquid Three-Phase Flow Inside and Outside the Abrasive Water Jet Nozzle." In Materials Science Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-421-9.833.

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Hou, Rong Guo, Chuan Zhen Huang, Li Li, Zong Wei Niu, and Zhi Yong Li. "Simulation of the Gas-Liquid-Solid Three-Phase Flow Velocity Field Outside the Abrasive Water Jet(AWJ) Rectangle Nozzle and Ellipse Nozzle." In Advances in Grinding and Abrasive Technology XIV. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-459-6.470.

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Abiev, Rufat. "Analysis of Hydrodynamics and Mass Transfer of Gas-Liquid and Liquid-Liquid Taylor Flows in Microchannels." In Process Analysis, Design, and Intensification in Microfluidics and Chemical Engineering. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7138-4.ch001.

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Analysis of hydrodynamics and mass transfer Taylor flows in micro channels of both gas-liquid and liquid-liquid systems on the basis of classical theoretical approach with some simplifying assumptions was performed. Results of theoretical analysis for description of hydrodynamic parameters and mass transfer characteristics were confirmed by comparison with the author's own and available in literature experimental data. It was shown that the main parameters of two-phase Taylor flows could be quite precisely described theoretically: mean bubble/droplet velocity, liquid film thickness, real gas holdup (which is always smaller than so-called dynamic holdup), pressure drop. Peculiarities of liquid-liquid flows compared to gas-liquid Taylor flows in capillaries are discussed. Wettability effect on hydrodynamics was examined. Tools of mass transfer intensification of gas-liquid and liquid-liquid Taylor flow in micro channels are analyzed. Three-layer model for heat and mass transfer has been proposed and implemented for the case of solid-liquid mass transfer for gas-liquid Taylor flows; optimal process conditions for this process are found theoretically and discussed from physical point of view.
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Yabe, Takashi, Youichi Ogata, and Takao Kawai. "Simulation of Structure-Fluid Interaction by Universal Solver CIP for Solid, Liquid and Gas in Cartesian Grid." In Numerical Simulations of Incompressible Flows. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812796837_0020.

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"Flow of Gas, Liquid and Solid." In Blast Furnace Phenomena and Modelling. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3431-3_4.

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Conference papers on the topic "Gas-liquid-solid flows"

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Zhang, Xinyu, and Goodarz Ahmadi. "Particle Effects on Gas-Liquid-Solid Flows." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65695.

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A numerical simulation is carried out to study the role of particles in gas-liquid-solid flows in bubble columns. An Eulerian-Lagrangian model is used and the liquid flow is modeled using a volume-averaged system of governing equations, while motions of bubbles and particles are evaluated using Lagrangian trajectory analysis. It is assumed that the bubbles remain spherical. The interactions between bubble-liquid and particle-liquid are included in the study. The discrete phase equations include drag, lift, buoyancy, and virtual mass forces. Particle-particle interactions and bubble-bubble inte
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Liu, Xijie, Yap Yit Fatt, and Sami Ainane. "CFD Modeling of Erosion in Gas-Solid and Liquid-Solid Flows." In RDPETRO 2018: Research and Development Petroleum Conference and Exhibition, Abu Dhabi, UAE, 9-10 May 2018. American Association of Petroleum Geologists, Society of Exploration Geophysicists, European Association of Geoscientists and Engineers, and Society of Petroleum Engineers, 2018. http://dx.doi.org/10.1190/rdp2018-41921364.1.

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Hosokawa, Shigeo, and Akio Tomiyama. "TURBULENCE MODIFICATION IN GAS-LIQUID AND SOLID-LIQUID DISPERSED TWO-PHASE PIPE FLOWS." In Third Symposium on Turbulence and Shear Flow Phenomena. Begellhouse, 2003. http://dx.doi.org/10.1615/tsfp3.330.

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Zhang, Xinyu, and Goodarz Ahmadi. "Roles of Neutrally Buoyant Particles in Gas-Liquid-Solid Flows." In ASME 2012 Fluids Engineering Division Summer Meeting collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/fedsm2012-72038.

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A CFD study is carried out to investigate the roles of neutrally buoyant particles in gas-liquid-solid flows in bubble columns. An Eulerian-Lagrangian model is used and the liquid flow is modeled using a volume-averaged system of governing equations, while motions of bubbles and particles are evaluated using Lagrangian trajectory analysis. Bubbles are assumed to remain spherical. Bubble-liquid interaction and particle-liquid interaction are included in the study. The drag, lift, buoyancy, and virtual mass forces are included in the discrete phase equations. Particle-particle interactions and b
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Ahmadi, Goodarz, and Xinyu Zhang. "Three-Phase Liquid-Gas-Solid Flows in a Bubble Column." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77071.

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An Eulerian-Lagrangian computational model for simulations of gas-liquid-solid flows in three-phase slurry reactors is developed. In this approach, the liquid flow is modeled using a volume-averaged system of governing equations, whereas motions of bubbles and particles are evaluated by Lagrangian trajectory analysis procedure. It is assumed that the bubbles remain spherical and their shape variations are neglected. The two-way interactions between bubble-liquid and particle-liquid are included in the analysis. The discrete phase equations include drag, lift, buoyancy, and virtual mass forces.
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Zhang, Xinyu, and Goodarz Ahmadi. "Effects of Neutrally Buoyant Particles on Gas-Liquid-Solid Flows." In ASME 2013 Fluids Engineering Division Summer Meeting. ASME, 2013. http://dx.doi.org/10.1115/fedsm2013-16299.

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Sedrez, Thiana A., and Siamack A. Shirazi. "The Effect of Phase Interaction Forces and Particle Rotation on Solid Particle Erosion in Liquid-Solid and Liquid-Gas-Solid Flows." In ASME 2022 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/fedsm2022-86755.

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Abstract Forces acting on both gas and particle phases and the interaction between them and the liquid phase in liquid-gas-solid flow are examined via Computational Fluid Dynamics (CFD) and the results are compared with experimental data. A simplified methodology to simulate multiphase flow is proposed using the Eulerian-Eulerian-Lagrangian approach. The proposed modeling approach for the liquid-gas interaction forces and particle rotation is compared with experimental erosion data for two elbows in series. For the experiments, a 50.8 mm inner diameter pipe vertical facility with water, air, a
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Musavian, S. M., and A. F. Najafi. "Numerical Simulations of Gas-Liquid-Solid Flows in a Hydrocyclone Separator." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37374.

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The flow behavior in hydrocyclones is quite complex. The Computational Fluid Dynamics (CFD) method was used to simulate the flow fields inside a hydrocyclone in order to improve its separation efficiency. In the computational fluid dynamics study of hydrocyclones, the air-core dimension is a key to predicting the mass split between the underflow and overflow. In turn, the mass split influences the prediction of the size classification curve. Three models, the k–e model, the Reynolds stress model without considering air core and Reynolds stress turbulence model with VOF multiphase model for sim
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Sakaguchi, Tadashi, H. Minagawa, K. Sahara, and T. Saibe. "ESTIMATION OF VOLUMETRIC FRACTIONS OF EACH PHASE IN GAS-LIQUID-SOLID THREE-PHASE SLUG FLOW IN VERTICAL PIPES." In Dynamics of Two-Phase Flows. Begellhouse, 2023. http://dx.doi.org/10.1615/0-8493-9925-4.40.

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Zhang, Xinyu, and Goodarz Ahmadi. "Effects of Particle Density on Gas-Liquid-Solid Flows in Bubble Columns." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21082.

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A numerical simulation is performed to study the effects of particle density on gas-liquid-solid flows in bubble columns. An Eulerian-Lagrangian model is used where the liquid flow is modeled by a volume-averaged system of governing equations and motions of particles and bubbles are modeled by Lagrangian trajectory method. Interactions between particle-particle, bubble-bubble, bubble-liquid and particle-liquid are included in the study. The drag, lift, buoyancy, and virtual mass forces are evaluated for the particles and bubbles. Particle-particle and bubble-bubble interactions are accounted f
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Reports on the topic "Gas-liquid-solid flows"

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Liu, D., and T. de Bruin. New technology for fluid dynamic measurements in gas-liquid-solid three-phase flow reactors. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/304508.

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Svedeman. L51729 Gas Scrubber Performance Evaluation - Measurement Methods. Pipeline Research Council International, Inc. (PRCI), 1995. http://dx.doi.org/10.55274/r0010420.

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Scrubbers and separators are used in natural gas pipelines to remove solid and liquid materials from the gas stream. Failure to remove the entrained materials from the gas can result in equipment damage, increased pressure drop due to liquid accumulation, flow measurement errors, and corrosion. The performance of separators is rarely tested after a separator is installed because there is a lack of test instrumentation and it is difficult to conduct tests at the high pressures. The only indicators of poor separator performance are recurring problems in downstream equipment or the detection of a
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Snyder, Victor A., Dani Or, Amos Hadas, and S. Assouline. Characterization of Post-Tillage Soil Fragmentation and Rejoining Affecting Soil Pore Space Evolution and Transport Properties. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580670.bard.

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Tillage modifies soil structure, altering conditions for plant growth and transport processes through the soil. However, the resulting loose structure is unstable and susceptible to collapse due to aggregate fragmentation during wetting and drying cycles, and coalescense of moist aggregates by internal capillary forces and external compactive stresses. Presently, limited understanding of these complex processes often leads to consideration of the soil plow layer as a static porous medium. With the purpose of filling some of this knowledge gap, the objectives of this Project were to: 1) Identif
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Lahav, Ori, Albert Heber, and David Broday. Elimination of emissions of ammonia and hydrogen sulfide from confined animal and feeding operations (CAFO) using an adsorption/liquid-redox process with biological regeneration. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7695589.bard.

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The project was originally aimed at investigating and developing new efficient methods for cost effective removal of ammonia (NH₃) and hydrogen sulfide (H₂S) from Concentrated Animal Feeding Operations (CAFO), in particular broiler and laying houses (NH₃) and hog houses (H₂S). In both cases, the principal idea was to design and operate a dedicated air collection system that would be used for the treatment of the gases, and that would work independently from the general ventilation system. The advantages envisaged: (1) if collected at a point close to the source of generation, pollutants would
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