Computational Techniques for Multiphase Flows
Mixed or multiphase flows of solid/liquid or solid/gas are commonly found in many industrial fields, and their behavior is complex and difficult to predict in many cases. The use of computational fluid dynamics (CFD) has emerged as a powerful tool for the understanding of fluid mechanics in multiphase reactors, which are widely used in the chemical, petroleum, mining, food, beverage and pharmaceutical industries. This book enables scientists and engineers to the undertand the basis and application of CFD in muliphase flow, explains how to use the technique, when to use it and how to interpret the results and apply them to improving aplications in process enginering and other multiphase application areas including the pumping, automotive and energy sectors.
*Understandable guide to a complex subject
*Important in many industries
*Ideal for potential users of CFD
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Chapter 1 Introduction
Chapter 2 Governing Equations and Boundary Conditions
Chapter 3 Solution Methods for MultiPhase Flows
Chapter 4 GasParticle Flows
Chapter 5 LiquidParticle Flows
Chapter 6 GasLiquid Flows
Chapter 7 Free Surface Flows
advection algorithm ANSYS Inc approach averaged body-fitted boiling model boundary conditions bubbly flow calculated cell coalescence coefficient collision computational fluid dynamics conservation of mass continuous phase control volume density diameter direct numerical simulation discrete disperse phase distribution eddy effects Eulerian evaluated ﬂow fluctuating flux force formulation free surface function gas phase gas–liquid flows gas–particle flows governing equations gradient heat indicator function inter-phase interaction interface kinetic energy kth phase Lagrangian large eddy simulation lift force method mixture mixture density momentum and energy motion multi-phase flows normal particle phase particle–wall predicted pressure region Reynolds number Reynolds stress model scheme simulation solid particles solution solved source or sink source terms sub-cooled surface tension tank tion transport equations turbulent kinetic energy two-fluid model two-phase flow values vector viscosity void fraction volume fraction wall α α αρ ρ ρ ρ φ φ φ