Computational methods in multiphase flow
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書誌事項
Computational methods in multiphase flow
（WIT transactions on engineering sciences, v. 56,
WIT Press, c2007-
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注記
Papers presented at the 4th-6th Computational Methods in Multiphase Flow Conference
Includes bibliographical references and index
内容説明・目次
- 巻冊次
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4 ISBN 9781845640798
内容説明
Multiphase flow remains one of the unsolved problems in fluid mechanics. There are many factors which make it difficult to deal with such flows. They are very diverse in nature, and as a consequence the laws governing them are similarly varied. This volume contains papers presented at the fourth International Conference on Computational Methods in Multiphase Flow. Complementing the interesting mathematical and numerical problems that multiphase flows pose is an equally interesting array of real-life problems which are characterized by multiphase flow: groundwater transport, river and sea-bed sedimentation, boiling and condensation, sprays and aerosols, combustion processes in power generation equipment, and many others.
目次
- Section 1: Multiphase flow simulation Aerosol modelling and pressure drop simulation in a sieving electrostatic precipitator
- A CFD Lagrangian particle model to analyze the dust dispersion problem in quarries blasts
- Modeling of dispersion and ignition processes of finely dispersed particles of aluminum using a solid propellant gas generator
- A methodology for momentum flux measurements in two-phase blast flows
- Two-phase flow transient simulation of severe slugging in pipeline-risers systems
- CFD simulation of gas-solid bubbling fluidized bed: an extensive assessment of drag models
- An advanced gas-solid flow engineering model for a fluidized bed reactor system
- CFD simulation of a stratified flow at the inlet of a compact plate heat exchanger
- Numerical computation of a confined sediment-water mixture in uniform flow
- Experimental validation of multiphase flow models and testing of multiphase flow meters: a critical review of flow loops worldwide Section 2: Flow in porous media Modelling groundwater flow and pollutant transport in hard-rock fractures
- Transient groundwater flow in a single fracture
- Petroleum reservoir simulation using EbFVM: the negative transmissibility issue
- An integral treatment for heat and mass transfer along a vertical wall by natural convection in a porous media
- Application of integrated finite differences to compute symmetrical upscaled equivalent conductivity tensor
- A parallelizable procedure for contaminant diffusion in waste disposal
- Permeability, porosity and surface characteristics of filter cakes from water-bentonite suspensions Section 3: Interfaces Investigation of slug flow characteristics in inclined pipelines
- Behaviour of an annular flow in the convergent section of a Venturi meter
- Micro-scale distillation: simulation
- Viscoelastic drop deformation in simple shear flow investigated by the front tracking method Section 4: Bubble and drop dynamics Numerical modelling of bubble coalescence and droplet separation
- Simulation of radial oscillations of a free and a contrast agent bubble in an ultrasound field
- Visualization method for volume void fraction measurements in gas-liquid two-phase flows of a water turbine outlet channel
- Nonlinear dynamics of lipid-shelled ultrasound microbubble contrast agents
- Lagrangian Monte Carlo simulation of spray-flow interaction
- Dynamic hydraulic jumps in oscillating containers Section 5: Suspensions Experimental investigations of sedimentation of flocs in suspensions of biological water treatment plants
- Modelling molecular gas suspension diffusion and saturation processes in liquid media
- Analysis of two- and three-particle motion in a Couette cell
- Micropolar fluid flow modelling using the boundary element method
- Numerical modelling of colloidal fluid in a viscous micropump Section 6: Turbulent flow Computational and experimental analyses of a liquid film flowing down a vertical surface
- The transition of an in-line vortex to slug flow: correlating pressure and reaction force measurements with high-speed video
- A DNS approach to stability study about a supersonic mixing layer flow
- Hydrodynamic transmission operating with two-phase flow
- A note on crossing-trajectory effects in gas-particle turbulent flows
- Large eddy simulation and the filtered equation of a contaminant
- 巻冊次
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5 ISBN 9781845641887
内容説明
Together with turbulence, multiphase flow remains one of the most challenging areas of computational mechanics and experimental methods and numerous problems remain unsolved to date. Multiphase flows are found in all areas of technology, at all length scales and flow regimes. The fluids involved can be compressible or incompressible, linear or nonlinear. Because of the complexity of the problems, it is often essential to utilize advanced computational and experimental methods to solve the complex equations that describe them. Challenges in these simulations include modelling and tracking interfaces, dealing with multiple length scales, modelling nonlinear fluids, treating drop breakup and coalescence, characterizing phase structures, and many others. Experimental techniques, although expensive and difficult to perform, are essential to validate models.This book contains papers presented at the Fifth International Conference on Computational Methods in Multiphase Flow, which are grouped into the following topics: Multiphase Flow Simulation; Interaction of Gas, Liquids and Solids; Turbulent Flow; Environmental Multiphase Flow; Bubble and Drop Dynamics; Flow in Porous Media; Heat Transfer; Image Processing; Interfacial Behaviour.
目次
- Section 1: Multiphase flow simulation 3D Eulerian simulation of a gas-solid bubbling fluidized bed: assessment of drag coefficient correlations
- Computational and experimental methods for the on-line measurement of the apparent viscosity of a crystal suspension
- Two-phase flow modelling within expansion and contraction singularities
- Numerical simulation of gas-solid flow in ducts by CFD techniques
- Modelling of solidification of binary fluids with non-linear viscosity models
- A simulation of the coupled problem of magnetohydrodynamics and a free surface for liquid metals
- Ammonia concentration analysis for the steam condenser by combining two phase flow CFD simulation with condensation and process simulation
- An approach to the prediction of wax and asphaltene deposition in a pipeline based on Couette device experimental data
- Large amplitude waves in a slug tracking scheme
- Numerical simulation of an intermediate sized bubble rising in a vertical pipe
- Modelling of stratified two phase flows using an interfacial area density model
- Multi-phase mixture modelling of nucleate boiling applied to engine coolant flows
- On the application of Mesoscopic Eulerian Formalism to modulation of turbulence by solid phase
- VOF-based simulation of conjugate mass transfer from freely moving fluid particles
- Computational fluid dynamic as a feature to understand the heat and mass transfer in a vacuum tower
- Understanding segregation and mixing effects in a riser using the quadrature method of moments
- Numerical simulation of heavy oil flows in pipes using the core-annular flow technique
- Simulation of flow and modelling the residence time distribution in a continuous two impinging liquid-liquid streams reactor using the Monte Carlo Technique Section 2: Interaction of gas, liquids and solids Vortex study on a hydraulic model of Godar-e-Landar Dam and Hydropower Plant
- Minimum fluidization velocity, bubble behaviour and pressure drop in fluidized beds with a range of particle sizes Section 3: Turbulent flow Mathematical modelling on particle diffusion in fluidised beds and dense turbulent two-phase flows
- A numerical study of the scale effects affecting the evolution and sediment entrainment capacity of a gravity current, propagating over a loose bed containing large-scale roughness elements
- Effect of relative motion between bubbles and surrounding liquid on the Reynolds stress as a mechanism controlling the radial gas holdup distribution
- Velocity and turbulence measurements of oil-water flow in horizontal and slightly inclined pipes using PIV Section 4: Environmental multiphase flow Meandering of a particle-laden rivulet
- Experimental study on the rheological behaviour of debris flow material in the Campania region
- Experimental and numerical investigation of mixed flow in a gallery
- Sediment transport via dam-break flows over sloping erodible beds Section 5: Bubble and drop dynamics Hydrodynamic drag and velocity of micro-bubbles in dilute paper machine suspensions
- Effects of physical properties on the behaviour of Taylor bubbles
- Numerical simulation of one-dimensional mixed flow with air/water interaction
- Geometry effects on the interaction of two equal-sized drops in simple shear flow at finite Reynolds numbers Section 6: Flow in porous media Modelling the tide effects in groundwater
- Modelling of diffusion in porous structures
- Measurement and prediction for air flow drag in different packing materials
- CFD simulation with multiphase flows in porous media and open mineral storage pile
- Powered addition applied to the fluidisation of a packed bed Section 7: Heat transfer Tube bundle's cooling by aqueous foam
- Desulfurization of heavy crude oil by microwave irradiation Section 8: Image processing Reconstruction of a three-dimensional bubble surface from high-speed orthogonal imaging of dilute bubbly flow
- Experimental investigation on air entrainment below impinging jets by means of video observations and image processing Section 9: Interfacial behaviour LBM simulation of interfacial behaviour of bubbles flow at low Reynolds number in a square microchannel
- Experimental investigation of a 2d impinging jet on a liquid surface
- 巻冊次
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6 ISBN 9781845645182
内容説明
Multiphase flows, which can involve compressible or incompressible linear or nonlinear fluids, are found in all areas of technology, at all length scales and flow regimes. In spite of their ubiquitousness, however multiphase flows continue to be one of the most challenging areas of computational mechanics and experimental methods, with numerous problems remaining unsolved to date. Multiphase flow problems are so complex that advanced computational and experimental methods are often required to solve the equations that describe them. The many challenges include modelling nonlinear fluids, modelling and tracking interfaces, dealing with multiple length scales, characterising phase structures, and treating drop breakup and coalescence. Models must be validated, which requires the use of expensive and difficult experimental techniques. This book presents contributions on the latest research in these techniques, presented at the sixth in a biennial series of conferences on the subject that began in 2001. Featured topics include: Multiphase Flow Simulation; Turbulent Flow; Bubble and Drop Dynamics; Heat Transfer; Incline Flows; Energy Applications; Flow in Porous Media.
目次
- Contents Section 1: Multiphase flow simulation Hydrodynamics behaviour of slot-rectangular spouted beds: assessment of slot width effect
- Analogues of Rayleigh-Taylor and Richtmyer-Meshkov instabilities in flows with nonuniform particle and droplet seeding
- Comparison of numerical schemes for computational simulation of liquid wavy film flow on vertical wall
- Hybrid density- and pressure-based splitting scheme for cavitating flows simulation
- Studies of different numerical models for a turbulent particulate flow in a square pipe with 90 bend
- Height function interface reconstruction algorithm for the simulation of boiling flows
- An experimental study of burnout and flow instability in sub-channels with subcooled void at low pressure Section 2: Turbulent flow Transition length between water and air-water flows on stepped chutes
- Experimental measurements of macro-particle dispersion in grid turbulence and application to a stochastic numerical model for solid body turbulent diffusion
- Methodology to determine residence time distribution and small scale phenomena in settling tanks Section 3: Bubble and drop dynamics Heat and mass transfer in evaporating turbulent drop-laden flow
- Investigating the influence of fines in fluidized bed reactors using 3D ECT images
- Experimental study of multiphase flow in a model gearbox
- Experimental analysis of two-phase flow in domestic central heating systems: micro bubble characteristics
- Experimental and computational study of pressure drop and void fraction in a bubbling fluidized bed
- Extension of a model for the distribution of voidage around bubbles in a fluidized bed Section 4: Heat transfer Spray quenching of specimen for ring heat treatment
- Effect of inclination on flow and thermal characteristics of air-water two-phase flow: an experimental investigation Section 5: Incline flows Geometrical and kinematic properties of interfacial waves in horizontal heavy oil-water stratified flow
- A numerical model for partially-wetted flow of thin liquid films Section 6: Energy applications A techno-economical view on energy losses at hydropower dams (case study of Karun III Dam and Hydropower Plant)
- Hydrate formation in natural gas pipelines
- Flow patterns in inclined gas-liquid annular duct flow Section 7: Flow in porous media Modelling effective permeability of fracture networks in permeable rock formations by singular integral equations method
- Modelling multiphase flow inside the porous media of a polymer electrolyte membrane fuel cell
- Capillary trapping of supercritical CO2 in porous media at the pore scale
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