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Michaelides E.E. Particles, Bubbles & Drops Their Motion, Heat and Mass Transfer

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Michaelides E.E. Particles, Bubbles & Drops Their Motion, Heat and Mass Transfer
New Jersey, London, Singapore, Beijing, Shanghai, Hong Kong, Taipei, Chennai: World Scientific Publ., 2006 – 425 p. — ISBN 981-256-647-3, ISBN 981-256-648-1.
The field of multiphase flows has grown by leaps and bounds in the last thirty years and is now regarded as a major discipline. Engineering applications, products and processes with particles, bubbles and drops have consistently grown in number and importance. An increasing number of conferences, scientific fora and archived journals are dedicated to the dissemination of information on flow, heat and mass transfer of fluids with particles, bubbles and drops. Numerical computations and "thought experiments" have supplemented most physical experiments and a great deal of the product design and testing processes. The literature on computational fluid dynamics with particles, bubbles and drops has grown at an exponential rate, giving rise to new results, theories and better understanding of the transport processes with particles, bubbles and drops. This book captures and summarizes all these advances in a unified, succinct and pedagogical way. Contents: Fundamental Equations and Characteristics of Particles, Bubbles and Drops; Low Reynolds Number Flows; High Reynolds Number Flows; Non-Spherical Particles, Bubbles and Drops; Effects of Rotation, Shear and Boundaries; Effects of Turbulence; Electro-Kinetic, Thermo-Kinetic and Porosity Effects; Effects of Higher Concentration and Collisions; Molecular and Statistical Modeling; Numerical Methods-CFD. Key Features Summarizes the recent important results in the theory of transport processes of fluids with particles, bubbles and drops Presents the results in a unified and succinct way Contains more than 600 references where an interested reader may find details of the results Makes connections from all theories and results to physical and engineering applications Readership: Researchers, practicing engineers and physicists that deal with any aspects of Multiphase Flows. It will also be of interest to academics and researchers in the general fields of mechanical and chemical engineering.
Preface
Introduction
Historical background
Forces exerted by a fluid and the equation of motion
Heat transfer
Terminology and nomenclature
Common terms and definitions
Nomenclature
Latin symbols
Greek symbols
Subscripts
Superscripts
Common abbreviations
Dimensionless numbers (Lch=2a)
Examples of applications in science and technology
Oil and gas pipelines
Geothermal wells
Steam generation in boilers and burners
Sediment flow
Steam condensation
Petroleum refining
Spray drying
Pneumatic conveying
Fluidized beds
Fundamental equations and characteristics of particles, bubbles and drops
Fundamental equations of acontinuum
The concept of a material continuum - basic assumptions
Fundamental equations in integral form
Fundamental equations in differential form
Generalized form of the fundamental equations
Conservation equations at the interfaces -jump conditions
Conservation equations for a single particle, bubble or drop
Characteristics of particles, bubbles and drops
Shapes of solid particles
Symmetric particles
Asymmetric or irregular particles
Shapes of bubbles and drops in motion - shape maps
Discrete and continuous size distributions
Useful parameters in discrete size distributions
Continuous size distributions
Drop distribution functions
Low Reynolds number flows
Conservation equations
Heat-mass transfer analogy
Mass, momentum and heat transfer - Transport coefficients
Steady motion and heat/mass transfer at creeping flow
Transient, creeping flow motion
Notes on the history term
Hydrodynamic force on a viscous sphere
Equation of motion with interfacial slip
Transient motion of an expanding or collapsing bubble
Transient heat/mass transfer at creeping flow
Hydrodynamic force and heat transfer for a spheroid at creeping flow
Steady motion and heat/mass transfer at small Re and Pe
Transient hydrodynamic force at small Re
Transient heat/mass transfer at small Pe
High Reynolds number flows
Flow fields around rigid and fluid spheres
Flow around rigid spheres
Flow inside and around viscous spheres
Steady hydrodynamic force and heat transfer
Drag on rigid spheres
Heat transfer from rigid spheres
Radiation effects
Drag on viscous spheres
Heat transfer from viscous spheres
Drag on viscous spheres with mass transfer - Blowing effects
Heat transfer from viscous spheres with mass transfer - Blowing effects
Effects of compressibility and rarefaction
Transient hydrodynamic force
Transient heat transfer
Transient temperature measurements
Non-spherical particles, bubbles and drops
Transport coefficients of rigid particles at low Re
Hydrodynamic force and drag coefficients
Heat and mass transfer coefficients
Hydrodynamic force for rigid particles at high Re
Drag coefficients for disks and spheroids
Drag coefficients and flow patterns around cylinders
Drag coefficients of irregular particles
Heat transfer for rigid particles at high Re
Heat transfer coefficients for disks and spheroids
Heat transfer coefficients for cylinders
Heat transfer coefficients for irregular particles
Non-spherical bubbles and drops
Drag coefficients
Heat transfer coefficients
Effects of rotation, shear and boundaries
Effects of relative rotation
Effects of flow shear
Effects of boundaries
Main flow perpendicular to the boundary
Main flow parallel to the boundary
Equilibrium positions of spheres above horizontal boundaries
Constrained motion in an enclosure
Rigid spheres
Viscous spheres
Immersed objects at off-center positions
Taylor bubbles
Effects of enclosures on the heat and mass transfer
Effects of boundaries on bubble and drop deformation
A note on the lift force in transient flows
Effects of turbulence
Effects of free stream turbulence
Turbulence modulation
Drag reduction
Turbulence models for immersed objects
The trajectory model
The Monte-Carlo method
The two-fluid model
Heat transfer in pipelines with particulates
Turbophoresis and wall deposition
Turbulence and coalescence of viscous spheres
Electro-kinetic, thermo-kinetic and porosity effects
Electrophoresis
Electrophoretic motion
Electro-osmosis
Effects of the double layer on the electrophoretic motion
Electrophoresis in capillaries-microelectrophoresis
Brownian motion
Thermophoresis
Cicle interactions and wall effects in thermophoresis
Thermophoresis in turbulent flows
Porous particles
Surface boundary conditions
Drag force on a porous sphere at low Re
Heat transfer from porous particles
Mass transfer from an object inside a porous medium
Effects of higher concentration and collisions
Interactions between dispersed objects
Hydrodynamic interactions
Thermal interactions and phase change
Effects of concentration
Effects on the hydrodynamic force
Effects on the heat transfer
Bubble columns
Collisions of spheres
Hard sphere model
Soft-sphere model
Drop collisions and coalescence
Collisions with a wall - Mechanical effects
Heat transfer during wall collisions
Spray deposition
Cooling enhancement by drop impingement
Critical heat flux with drops
Molecular and statistical modeling
Molecular dynamics
MD applications with particles, bubbles and drops
Stokesian dynamics
Statistical methods
The probability distribution function (PDF)
Numerical methods-CFD
Forms of Navier-Stokes equations used in CFD
Primitive variables
Streamfunction-vorticity
False transients
Finite difference method
Spectral and finite-element methods
The spectral method
The finite element and finite volume methods
The Lattice-Boltzmann method
The force coupling method
Turbulent flow models
Direct numerical simulations (DNS)
Reynolds decomposition and averaged equations
The k-£ model
Large Eddy simulations (LES)
Potential flow-boundary integral method
References
Subject Index
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