Relevant bibliographies by topics / Two-phase flow modeling

Academic literature on the topic 'Two-phase flow modeling'

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Published: 14 March 2023

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Journal articles on the topic "Two-phase flow modeling"

1

Vasenin, I. M. "MODELING OF A TWO-PHASE FLOW OF LIQUID WITH SMALL-SIZE GAS BUBBLES." Eurasian Physical Technical Journal 16, no. 1 (June 14, 2019): 129–36. http://dx.doi.org/10.31489/2019no1/129-136.

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Supa-Amornkul, Savalaxs, Frank R. Steward, and Derek H. Lister. "Modeling Two-Phase Flow in Pipe Bends." Journal of Pressure Vessel Technology 127, no. 2 (December 8, 2004): 204–9. http://dx.doi.org/10.1115/1.1904063.

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In order to have a better understanding of the interaction between the two-phase steam-water coolant in the outlet feeder pipes of the primary heat transport system of some CANDU reactors and the piping material, themalhydraulic modelling is being performed with a commercial computational fluid dynamics (CFD) code—FLUENT 6.1. The modeling has attempted to describe the results of flow visualization experiments performed in a transparent feeder pipe with air-water mixtures at temperatures below 55°C. The CFD code solves two sets of transport equations—one for each phase. Both phases are first treated separately as homogeneous. Coupling is achieved through pressure and interphase exchange coefficients. A symmetric drag model is employed to describe the interaction between the phases. The geometry and flow regime of interest are a 73 deg bend in a 5.9cm diameter pipe containing water with a Reynolds number of ∼1E5-1E6. The modeling predicted single-phase pressure drop and flow accurately. For two-phase flow with an air voidage of 5–50%, the pressure drop measurements were less well predicted. Furthermore, the observation that an air-water mixture tended to flow toward the outside of the bend while a single-phase liquid layer developed at the inside of the bend was not predicted. The CFD modeling requires further development for this type of geometry with two-phase flow of high voidage.
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Wallis, Graham B., and Donald A. Drew. "FUNDAMENTALS OF TWO-PHASE FLOW MODELING." Multiphase Science and Technology 8, no. 1-4 (1994): 1–67. http://dx.doi.org/10.1615/multscientechn.v8.i1-4.20.

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Harun, Amrin F., Mauricio G. Prado, Siamack A. Shirazi, and Dale R. Doty. "Two-Phase Flow Modeling of Inducers." Journal of Energy Resources Technology 126, no. 2 (June 1, 2004): 140–48. http://dx.doi.org/10.1115/1.1738124.

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Inducers, which are classified as axial flow pumps with helical path blades, are used within rotary gas separators commonly used in electrical submersible pump installations. A two-phase flow model has been developed to study the inducer performance, focusing on head generation. The proposed model is based on a meridional flow solution technique and utilizes a two-fluid approach. The model indicates that head degradation due to gas presence is a function of flow pattern. The effect of flow pattern diminishes when the void fraction is greater than 15 percent since the centrifugal force dominates the interfacial drag force. In this case, the two-phase flow can be approximated as a homogeneous mixture. The model also suggests that a liquid displacement correction is needed when phase segregation occurs inside the inducer. The new model significantly improves the ability to predict separation efficiency of a rotary gas separator over existing models. Hydrocarbon-air and water-air experimental data were gathered to validate the new model.
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Fabre, J., and A. Line. "Modeling of Two-Phase Slug Flow." Annual Review of Fluid Mechanics 24, no. 1 (January 1992): 21–46. http://dx.doi.org/10.1146/annurev.fl.24.010192.000321.

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Madsen, S., C. Veje, and M. Willatzen. "Dynamic Modeling of Phase Crossings in Two-Phase Flow." Communications in Computational Physics 12, no. 4 (October 2012): 1129–47. http://dx.doi.org/10.4208/cicp.190511.111111a.

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AbstractTwo-phase flow and heat transfer, such as boiling and condensing flows, are complicated physical phenomena that generally prohibit an exact solution and even pose severe challenges for numerical approaches. If numerical solution time is also an issue the challenge increases even further. We present here a numerical implementation and novel study of a fully distributed dynamic one-dimensional model of two-phase flow in a tube, including pressure drop, heat transfer, and variations in tube cross-section. The model is based on a homogeneous formulation of the governing equations, discretized by a high resolution finite difference scheme due to Kurganov and Tadmore.The homogeneous formulation requires a set of thermodynamic relations to cover the entire range from liquid to gas state. This leads a number of numerical challenges since these relations introduce discontinuities in the derivative of the variables and are usually very slow to evaluate. To overcome these challenges, we use an interpolation scheme with local refinement.The simulations show that the method handles crossing of the saturation lines for both liquid to two-phase and two-phase to gas regions. Furthermore, a novel result obtained in this work, the method is stable towards dynamic transitions of the inlet/outlet boundaries across the saturation lines. Results for these cases are presented along with a numerical demonstration of conservation of mass under dynamically varying boundary conditions. Finally we present results for the stability of the code in a case of a tube with a narrow section.
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Hunt, J. C. R., R. J. Perkins, and J. C. H. Fung. "Problems in Modeling Disperse Two-Phase Flows." Applied Mechanics Reviews 47, no. 6S (June 1, 1994): S49—S60. http://dx.doi.org/10.1115/1.3124441.

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This review touches on some of the fundamental problems in this subject and some practical solutions, viz: (i) the force on a small rigid particle, solid or gaseous; a general heuristic expression is presented for a spherical particle based on combining the limiting cases of inviscid non-uniform flow and simple viscous flow; (ii) how the lift and acceleration forces produce non-uniform distributions of bubbles in non-uniform turbulent pipe flows inclined at different angles to the horizontal; computer simulations are presented using the results of (i); (iii) the relative contributions of the spatial and temporal fluctuations to the difference between the diffusivities of solid and fluid particles; an idealised model of small inertial particles in turbulent motion gives useful insight; (iv) the differences in the spectra of their velocities; hypotheses based on (iii) tested by computing the trajectories of particles in velocity fields that simulate turbulence (Kinematic Simulation); (v) how low concentrations of particles interact between each other and affect the average flow field.
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Karpov, S. A. "Modeling of Two-Phase Flow Thermohydraulic Characteristics." Heat Transfer Research 29, no. 1-3 (1998): 26–33. http://dx.doi.org/10.1615/heattransres.v29.i1-3.40.

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VASENIN, Igor Michailovich, and Nikolay Nikolaevich DYACHENKO. "MATHEMATICAL MODELING OF THE TWO-PHASE FLOW." Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika, no. 38(6) (December 1, 2015): 60–72. http://dx.doi.org/10.17223/19988621/38/8.

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Halama, Jan, Fayssal Benkhaldoun, and Jaroslav Fořt. "Numerical modeling of two-phase transonic flow." Mathematics and Computers in Simulation 80, no. 8 (April 2010): 1624–35. http://dx.doi.org/10.1016/j.matcom.2009.02.004.

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Dissertations / Theses on the topic "Two-phase flow modeling"

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Sharma, Yugdutt. "Modeling transient two-phase slug flow /." Access abstract and link to full text, 1985. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/8605319.

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Sankaran, Vaidyanathan. "Sub-grid Combustion Modeling for Compressible Two-Phase Flows." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/5274.

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A generic formulation for modeling the sub-grid combustion in compressible, high Reynolds number, two-phase, reacting flows has been developed and validated. A sub-grid mixing/combustion model called Linear Eddy Mixing (LEM) model has been extended to compressible flows and used inside the framework of Large Eddy Simulation (LES) in this LES-LEM approach. The LES-LEM approach is based on the proposition that the basic mechanistic distinction between the convective and the molecular effects should be preserved for accurate prediction of the complex flow-fields such as those encountered in many combustion systems. In LES-LEM, all the physical processes such as molecular diffusion, small and large scale turbulent convection and chemical reaction are modeled separately but concurrently at their respective time scales. This multi-scale phenomena is solved using a two-scale numerical approach, wherein molecular diffusion, small scale turbulent convection and chemical reaction are grouped as small scale processes and the convection at the (LES grid) resolved scales are deemed as the large scale processes. Small-scale processes are solved using a hybrid finite-difference Monte-carlo type approach in a one-dimensional domain. Large-scale advection on the three-dimensional LES grid is modeled in a Lagrangian manner that conserves mass. Liquid droplets (represented by computational parcels) are tracked using the Lagrangian approach wherein the Newton's equation of motion for the discrete particles are integrated explicitly in the Eulerian gas field. Drag effects due to the droplets on the gas phase and the heat transfer between the gas and the liquid phase are explicitly included. Thus, full coupling is achieved between the two phases in the simulation. Validation of the compressible LES-LEM approach is conducted by simulating the flow-field in an operational General Electric Power Systems' combustor (LM6000). The results predicted using the proposed approach compares well with the experiments and a conventional (G-equation) thin-flame model. Particle tracking algorithms used in the present study are validated by simulating droplet laden temporal mixing layers. Comparison of the energy growth in the fundamental and sub-harmonic mode in the presence and absence of the droplets shows excellent agreement with spectral DNS. Finally, to test the ability of the present two-phase LES-LEM in simulating partially premixed combustion, a LES of freely propagating partially premixed flame in a droplet-laden isotropic turbulent field is conducted. LES-LEM along with the spray models correctly captures the flame structure in the partially premixed flames. It was found that most of the fuel droplets completely vaporize before reaching the flame, and hence provides a continuous supply of reactants, which results in an intense reaction zone similar to a premixed flame. Some of the droplets that did not evaporate completely, traverse through the flame and vaporize suddenly in the post flame zone. Due to the strong spatial variation of equivalence ratio a broad flame similar to a premixed flame is realized. Triple flame structure are also observed in the flow-field due to the equivalence ratio fluctuations.
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Al-sarraf, Hayder Hasan Jaafar. "Modeling Two Phase Flow Heat Exchangers for Next Generation Aircraft." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1503935509157319.

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Thiele, Roman. "Modeling of Direct Contact Condensation With OpenFOAM." Thesis, KTH, Reaktorteknologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-49825.

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Within the course of the master thesis project, two thermal phase change models for direct contact conden-sation were developed with different modeling approaches, namely interfacial heat transfer and combustionanalysis approach.After understanding the OpenFOAM framework for two phase flow solvers with phase change capabilities,a new solver, including the two developed models for phase change, was implemented under the name ofinterPhaseChangeCondenseTempFoam and analyzed in a series of 18 tests in order to determine the physicalbehavior and robustness of the developed models. The solvers use a volume-of-fluid (VOF) approach withmixed fluid properties.It has been shown that the approach with inter-facial heat transfer shows physical behavior, a strong timestep robustness and good grid convergence properties. The solver can be used as a basis for more advancedsolvers within the phase change class.
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Xu, Wenyue. "Towards numerical modeling of two-phase flow in seafloor hydrothermal systems." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/26014.

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Omurlu, Cigdem. "Mathematical Modeling Of Horizontal Two-phase Flow Through Fully Eccentric Annuli." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607243/index.pdf.

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iv The primary objective of this study is to understand the mechanism, the hydraulics and the characteristics, of the two-phase flow in horizontal annuli. While achieving this goal, both theoretical and experimental works have been conducted extensively. The METU-PETE-CTMFL (Middle East Technical University, Petroleum and Natural Gas Engineering Department, Cuttings Transport and Multiphase Flow Laboratory) multiphase flow loop consists of 4.84 m long eccentric horizontal acrylic pipes having 0.1143m inner diameter (I.D) acrylic casing - 0.0571m outer diameter (O.D) drillpipe and 0.0932m I.D acrylic casing - 0.0488m O.D drillipipe geometric configurations. During each experiment, differential pressure loss data obtained from digital and analog pressure transmitters at a given liquid and gas flow rate were recorded. The flow patterns were identified visually. Meanwhile a mechanistic model has been developed. The flow pattern identification criteria proposed originally for twophase flow through pipes by Taitel and Dukler1 has been inherited and modified for the eccentric annular geometry. The complex geometry of eccentric annuli has been represented by a new single diameter definition, namely representative diameter dr. The representative diameter has been used while calculating the pressure losses. A computer code based on the algorithm of the proposed mechanistic model has been developed in Matlab 7.0.4. Both the flow pattern prediction and the frictional pressure loss estimation are compared with the gathered experimental data. Moreover, friction factor correlations have been developed for each flow pattern using experimental data and statistical methods. The performance of the proposed model and the friction factor correlations has been evaluated from experimental data. The mechanistic model developed in this study accurately predicts flow pattern transitions and frictional pressure losses. The model&rsquo
s pressure loss estimations are within ±
30% for two different annular flow geometries.
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Biswas, Souvik. "Direct numerical simulation and two-fluid modeling of multi-phase bubbly flows." Link to electronic thesis, 2007. http://www.wpi.edu/Pubs/ETD/Available/etd-050307-224407/.

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Dissertation (Ph.D.) -- Worcester Polytechnic Institute.
Keywords: Multiphase flow; Two-fluid modeling; Direct numerical simulation; Two fluid modeling. Includes bibliographical references (leaves 116-119).
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Rochette, Bastien. "Modeling and simulation of two-phase flow turbulent combustion in aeronautical engines." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0059.

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De nos jours, plus de 80% de l'énergie consommée sur Terre provient de la combustion de combustibles fossiles. Des solutions alternatives à la combustion sont en cours de développement mais les contraintes spécifiques liées au transport aérien ne permettent pas actuellement d'alimenter des moteurs sans introduire de rupture technologique. Ces résultats expliquent les activités de recherche visant à améliorer les connaissances et le contrôle des processus de combustion afin de concevoir des moteurs aéronautiques plus propres et plus efficaces. Dans ce cadre, les Simulations aux Grandes Echelles ("Large Eddy Simulation" LES) sont devenues un outil puissant pour mieux comprendre les processus de combustion et les émissions de polluants. Cette thèse s'inscrit dans ce contexte et se focalise sur les modèles et stratégies de calcul afin de simuler avec plus de précision les écoulements réactifs turbulents gazeux et diphasiques dans la chambre de combustion des moteurs aéronautiques. Tout d'abord, une méthode générique et automatique pour la détection et l'épaississement du front de flamme a été développée pour le modèle TFLES, et validée pour plusieurs configurations académiques de complexité croissante. Cette approche générique est ensuite évaluée dans une simulation LES d'un brûleur de laboratoire et comparée à la méthode d'épaississement classique. Les résultats montrent un épaississement plus précis dans les régions post-flammes. Dans un second temps, à partir de l'analyse de flammes laminaires 1D diphasiques homogènes où la phase dispersée a une vitesse relative comparée à la phase porteuse, deux formulations analytiques pour la vitesse de propagation de ces flammes ont été proposées et validées. La concordance entre les vitesses de flammes mesurées et estimées démontre que le modèle et ses paramètres prennent correctement en compte les principaux mécanismes physiques contrôlant ces flammes diphasiques. Enfin, les modèles TFLES les plus récents ont été testés sur des configurations de flamme turbulente gazeuse/diphasique complexes. Les avantages et les inconvénients de ces modèles ont été étudiés afin de contribuer à la compréhension des mécanismes liés à la combustion turbulente et de proposer une stratégie de modélisation par LES pour améliorer la fidélité des simulations réactives
Nowadays, more than 80% of the energy consumed on Earth is produced by burning fossil fuels. Alternative solutions to combustion are being developed but the specific constraints related to air transport do not make it possible to currently power engines without introducing a technological breakthrough. These findings explain the research activity to improve the knowledge and the control of combustion processes to design cleaner, and more efficient aeronautical engines. In this framework, Large Eddy Simulations (LES) have become a powerful tool to better understand combustion processes and pollutant emissions. This PhD thesis is part of this context and focuses on the models and numerical strategies to simulate with more accuracy turbulent gaseous and two-phase reacting flows in the combustion chamber of aeronautical engines. First, a generic and self-adapting method for flame front detection and thickening has been developed for the TFLES model, and validated on several academic configurations of increasing complexity. This generic approach is then evaluated in the LES of a laboratory-scale burner and compared to the classical thickening method. Results show a more accurate thickening in post-flame regions. Second, from the analysis of 1-D homogeneous laminar spray flames where the dispersed phase has a relative velocity compared to the carrier phase, two analytical formulations for the spray flame propagation speed have been proposed and validated. The agreement between the overall trend of both the measured/estimated spray flame speeds demonstrates that the model and its parameters correctly take into account the main physical mechanisms controlling laminar spray flames. Finally, the state-of-the-art TFLES models were tested on complex turbulent gaseous and two-phase reacting configurations. The pros and cons of these models were investigated to contribute to the understanding of the mechanisms related to turbulent combustion, and to propose a LES modeling strategy to improve the fidelity of reactive simulations
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Lewis, Kayla Christine. "An approach to modeling two-phase flow of seawater near an igneous dike." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/25709.

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Shao, Zhiyu S. "TWO-DIMENSIONAL HYDRODYNAMIC MODELING OF TWO-PHASE FLOW FOR UNDERSTANDING GEYSER PHENOMENA IN URBAN STORMWATER SYSTEM." UKnowledge, 2013. http://uknowledge.uky.edu/ce_etds/5.

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During intense rain events a stormwater system can fill rapidly and undergo a transition from open channel flow to pressurized flow. This transition can create large discrete pockets of trapped air in the system. These pockets are pressurized in the horizontal reaches of the system and then are released through vertical vents. In extreme cases, the transition and release of air pockets can create a geyser feature. The current models are inadequate for simulating mixed flows with complicated air-water interactions, such as geysers. Additionally, the simulation of air escaping in the vertical dropshaft is greatly simplified, or completely ignored, in the existing models. In this work a two-phase numerical model solving the Navier-Stokes equations is developed to investigate the key factors that form geysers. A projection method is used to solve the Navier-Stokes Equation. An advanced two-phase flow model, Volume of Fluid (VOF), is implemented in the Navier-Stokes solver to capture and advance the interface. This model has been validated with standard two-phase flow test problems that involve significant interface topology changes, air entrainment and violent free surface motion. The results demonstrate the capability of handling complicated two-phase interactions. The numerical results are compared with experimental data and theoretical solutions. The comparisons consistently show satisfactory performance of the model. The model is applied to a real stormwater system and accurately simulates the pressurization process in a horizontal channel. The two-phase model is applied to simulate air pockets rising and release motion in a vertical riser. The numerical model demonstrates the dominant factors that contribute to geyser formation, including air pocket size, pressurization of main pipe and surcharged state in the vertical riser. It captures the key dynamics of two-phase flow in the vertical riser, consistent with experimental results, suggesting that the code has an excellent potential of extending its use to practical applications.
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Books on the topic "Two-phase flow modeling"

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Critical regimes of two-phase flows with a polydisperse solid phase. Dordrecht: Springer, 2010.

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Mazo, Aleksandr, and Konstantin Potashev. The superelements. Modeling of oil fields development. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1043236.

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This monograph presents the basics of super-element modeling method of two-phase fluid flows occurring during the development of oil reservoir. The simulation is performed in two stages to reduce the spatial and temporal scales of the studied processes. In the first stage of modeling of development of oil deposits built long-term (for decades) the model of the global dynamics of the flooding on the super-element computational grid with a step equal to the average distance between wells (200-500 m). Local filtration flow, caused by the action of geological and technical methods of stimulation, are modeled in the second stage using a special mathematical models using computational grids with high resolution detail for the space of from 0.1 to 10 m and time — from 102 to 105 C. The results of application of the presented models to the solution of practical tasks of development of oil reservoir. Special attention is paid to the issue of value transfer in filtration-capacitive properties of the reservoir, with a detailed grid of the geological model on the larger grid reservoir models. Designed for professionals in the field of mathematical and numerical modeling of fluid flows occurring during the development of oil fields and using traditional commercial software packages, as well as developing their own software. May be of interest to undergraduate and graduate students studying in areas such as "Mechanics and mathematical modeling", "Applied mathematics", "Oil and gas".
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Volfgango, Bertola, and International Centre for Mechanical Sciences., eds. Modelling and experimentation in two-phase flow. Wien: Springer, 2003.

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Bertola, Volfango, ed. Modelling and Experimentation in Two-Phase Flow. Vienna: Springer Vienna, 2003. http://dx.doi.org/10.1007/978-3-7091-2538-0.

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Yang, Xiaogang. Two-phase flow dynamical simulations and modelling. Birmingham: University of Birmingham, 1996.

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Morel, Christophe. Mathematical Modeling of Disperse Two-Phase Flows. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20104-7.

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International Symposium on Two-Phase Modelling and Experimentation (1st 1995 Rome, Italy). Two-phase flow modelling and experimentation,1995: Proceedings of the First International Symposium : Rome, Italy 9-11 October 1995. Edited by Celata G. P and Shah R. K. Pisa: ETS, 1995.

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Alawattage, Vajira Priyantha. Two-phase separated flow modelling using particle tracking technique. Leicester: De Montfort University, 2005.

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Morel, Christophe. Mathematical Modeling of Disperse Two-Phase Flows. Springer, 2015.

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Ahsan, Amimul, ed. Two Phase Flow, Phase Change and Numerical Modeling. InTech, 2011. http://dx.doi.org/10.5772/1043.

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Book chapters on the topic "Two-phase flow modeling"

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Iguchi, Manabu, and Olusegun J. Ilegbusi. "Two-Phase Flow in Continuous Casting." In Modeling Multiphase Materials Processes, 261–91. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7479-2_8.

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Ishii, Mamoru, and Takashi Hibiki. "Constitutive Modeling of Interfacial Area Transport." In Thermo-Fluid Dynamics of Two-Phase Flow, 243–99. Boston, MA: Springer US, 2006. http://dx.doi.org/10.1007/978-0-387-29187-1_11.

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Ishii, Mamoru, and Takashi Hibiki. "Constitutive Modeling of Interfacial Area Transport." In Thermo-Fluid Dynamics of Two-Phase Flow, 243–313. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7985-8_11.

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Köppel, M., I. Kröker, and C. Rohde. "Stochastic Modeling for Heterogeneous Two-Phase Flow." In Finite Volumes for Complex Applications VII-Methods and Theoretical Aspects, 353–61. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05684-5_34.

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Morel, Christophe. "Example of Application: Bubbly Flow in a Vertical Pipe." In Mathematical Modeling of Disperse Two-Phase Flows, 279–310. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20104-7_12.

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Embid, Pedro F., and Melvin R. Baer. "Modeling Two-Phase Flow of Reactive Granular Materials." In Multidimensional Hyperbolic Problems and Computations, 58–67. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4613-9121-0_5.

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Vincent, Stéphane, Jean-Luc Estivalézes, and Ruben Scardovelli. "Compressible (Low-Mach) Two-Phase Flows." In Small Scale Modeling and Simulation of Incompressible Turbulent Multi-Phase Flow, 171–87. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09265-7_6.

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Zhang, Lian, Kenneth E. Goodson, and Thomas W. Kenny. "Measurements and Modeling of Two-phase Flow in Microchannels." In Microtechnology and MEMS, 55–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09899-8_4.

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Weir, Graham J. "Geometric properties of two phase flow in geothermal reservoirs." In Mathematical Modeling for Flow and Transport Through Porous Media, 501–17. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-017-2199-8_4.

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Amaziane, Brahim, Alain Bourgeat, and Joe Koebbe. "Numerical Simulation and Homogenization of Two-Phase Flow in Heterogeneous Porous Media." In Mathematical Modeling for Flow and Transport Through Porous Media, 519–47. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-017-2199-8_5.

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Conference papers on the topic "Two-phase flow modeling"

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Jacobs, Phd, P. E., Harold R. "MODELING OF MULTIPHASE DISPERSED SYSTEMS-STATE OF THE ART AND FUTURE DIRECTIONS." In International Symposium on Liquid-Liquid Two Phase Flow and Transport Phenomena. Connecticut: Begellhouse, 1997. http://dx.doi.org/10.1615/ichmt.1997.intsymliqtwophaseflowtranspphen.190.

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Fabre, J. "Advancements in Two-Phase Slug Flow Modeling." In University of Tulsa Centennial Petroleum Engineering Symposium. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/27961-ms.

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Taitel, Yehuda. "Advances in Two-Phase Flow Mechanistic Modeling." In University of Tulsa Centennial Petroleum Engineering Symposium. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/27959-ms.

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Wemmenhove, Rik, Erwin Loots, Roel Luppes, and Arthur E. P. Veldman. "Modeling Two-Phase Flow With Offshore Applications." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67460.

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With the trend towards offshore LNG production and offloading, sloshing of LNG in partially filled tanks has become an important research subject for the offshore industry. LNG sloshing may induce impact pressures on the containment system and may affect the motions of the LNG carrier. So far, LNG sloshing has been studied mainly using model experiments with an oscillation tank. However, the development of Navier-Stokes solvers with a detailed handling of the free surface allows the numerical simulation of sloshing. It should be investigated, however, how accurate the results of this type of simulations are for this complex flow problem. The paper first presents the details of the numerical model, an improved Volume Of Fluid (iVOF) method. The program has been developed initially to study the sloshing of liquid fuel in satellites. Later, the numerical model has been used for calculations of green water loading and the analysis of anti-roll tanks, including the coupling with ship motions. Recently, the model has been extended to incorporate two-phase flow. This extension improves its ability to simulate the effect of gas bubbles of different sizes. Gas bubbles are present in virtually all relevant offshore situations; not only at LNG sloshing but also during green water events, bow slamming and water entry. In a two-phase flow model, both the liquid and the gas phase can have their own continuity and momentum equations. The handling of the compressibility of the gas phase is a major issue in the design of a two-phase flow model. However, as a first step in the modeling process, the gas phase is considered as incompressible. For a dambreak experiment, results of the one-phase model, the incompressible two-phase model and model experiment results have been compared. It is shown that the physics are more accurately simulated with the incompressible two-phase model. Furthermore, the paper will show results of the incompressible model for LNG sloshing. The physics of LNG sloshing and several other applications can be approached better by taking the compressibility into account. Therefore, as a second step, a compressible model is currently under construction, involving adiabatic compression of the gas phase.
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Reinarts, Thomas R., Frederick R. Best, Montgomery Wheeler, and Katheryn M. Miller. "Zero-G two phase flow regime modeling in adiabatic flow." In Proceedings of the tenth symposium on space nuclear power and propulsion. AIP, 1993. http://dx.doi.org/10.1063/1.43125.

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YOSHIDA, KENJI, KEIZO MATSUURA, HIDENOBU TANAKA, MANABU KUCHINISHI, and ISAO KATAOKA. "STRUCTURAL STUDIES ON GAS-PHASE TURBULENCE MODIFICATION IN ANNULAR TWO-PHASE FLOW." In Proceedings of the 8th International Symposium on Flow Modeling and Turbulence Measurements. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777591_0075.

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Shogin, D., P. A. Amundsen, A. Hiorth, and M. V. Madland. "Modeling the Rheology of Two-phase Polymer Flow." In IOR 2017 - 19th European Symposium on Improved Oil Recovery. Netherlands: EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201700360.

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Balachandar, S., J. Ferry, and P. Bagchi. "Fundamental two-phase flow modeling efforts at CSAR." In 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-3569.

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Ghazanshahi, S. D., and S. M. Yamashiro. "Anesthesia circuit modeling under two-phase flow conditions." In Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1996. http://dx.doi.org/10.1109/iembs.1996.646417.

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Nemeth, Merton, and Andras Poppe. "Two-phase Taylor-flow reduced order thermal modeling." In 2015 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP). IEEE, 2015. http://dx.doi.org/10.1109/dtip.2015.7161025.

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Reports on the topic "Two-phase flow modeling"

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Kumar, R., and D. P. Edwards. Interfacial shear modeling in two-phase annular flow. Office of Scientific and Technical Information (OSTI), July 1996. http://dx.doi.org/10.2172/350939.

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Kirouac, G. J., T. A. Trabold, P. F. Vassallo, W. E. Moore, and R. Kumar. Instrumentation development for multi-dimensional two-phase flow modeling. Office of Scientific and Technical Information (OSTI), June 1999. http://dx.doi.org/10.2172/353194.

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Luke, Gary, Mark Eagar, Michael Sears, Scott Felt, and Bob Prozan. Status of Advanced Two-Phase Flow Model Development for SRM Chamber Flow Field and Combustion Modeling. Fort Belvoir, VA: Defense Technical Information Center, January 2004. http://dx.doi.org/10.21236/ada427829.

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Evans, Gregory Herbert, and William S. Winters. Final report for the ASC gas-powder two-phase flow modeling project AD2006-09. Office of Scientific and Technical Information (OSTI), January 2007. http://dx.doi.org/10.2172/899079.

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Tentner, A. Computational fluid dynamics modeling of two-phase flow in a BWR fuel assembly. Final CRADA Report. Office of Scientific and Technical Information (OSTI), October 2009. http://dx.doi.org/10.2172/967950.

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Trabold, T. A., and R. Kumar. High pressure annular two-phase flow in a narrow duct. Part 1: Local measurements in the droplet field, and Part 2: Three-field modeling. Office of Scientific and Technical Information (OSTI), July 1999. http://dx.doi.org/10.2172/353192.

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Farwagi, S. M. Computer Modelling of Two-Phase Flow. Fort Belvoir, VA: Defense Technical Information Center, October 1986. http://dx.doi.org/10.21236/ada175048.

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Lahey, R. T. Jr, and D. A. Drew. The continuum modelling of two-phase flow systems. Office of Scientific and Technical Information (OSTI), January 1992. http://dx.doi.org/10.2172/5922566.

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Lahey, R. T. Jr, and D. A. Drew. The continuum modelling of two-phase flow systems. [Progress report]. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/10121639.

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Salko Jr, Robert, Vineet Kumar, Belgacem Hizoum, and William Gurecky. Improvements to CTF Closure Models for Modelling of Two-Phase Flow. Office of Scientific and Technical Information (OSTI), July 2020. http://dx.doi.org/10.2172/1814379.

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