Titlebook: Mathematical Modeling of Disperse Two-Phase Flows; Christophe Morel Book 2015 Springer International Publishing Switzerland 2015 Interfaci

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镀金

Turbulence Models,, and droplet flows, or particles laden flows, where the particles are heavier than the continuous phase, when it is necessary. Zero-equation, one-equation, two-equation and seven-equation models are presented separately.

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0926-5112 ling & turbulence equations.Provides the reader with physica.This book develops the theoretical foundations of disperse two-phase flows, which are characterized by the existence of bubbles, droplets or solid particles finely dispersed in a carrier fluid, which can be a liquid or a gas. Chapters clar

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Interfacial Forces and Momentum Exchange Closure,nd history forces. The proximity of a wall gives an additional lubrication force which is called the wall force. The effects of the particles shape and concentration are also examined in Sect. .. In the last Sect. ., the mean momentum interfacial transfer term is derived from the knowledge of the different forces and a proper averaging procedure.

Monotonous

Closures for the Bubble Size Distribution and Interfacial Area Concentration,se of multi-size bubbly flows. Two approaches are followed: the moment’s method with a presumed size NDF and a class method using a discretization of the NDF. In the moment’s method, two different mathematical expressions are used for the NDF: a log-normal law and a quadratic law.

火花

CLAY

Book 2015rticles finely dispersed in a carrier fluid, which can be a liquid or a gas. Chapters clarify many difficult subjects, including modeling of the interfacial area concentration. Basic knowledge of the subjects treated in this book is essential to practitioners of Computational Fluid Dynamics for two-

极小量

Macroscopic Formulation of Two-Phase Flows: The Two-Fluid Model,ontinuous and one disperse). This second version is called the . two-fluid model. We give a comparative analysis of the closure problem posed by the two models and analyze these closure issues with the help of the second law of thermodynamics.

Limited

Surface Equations for Two-Phase Flows,bubbles or droplets), the . are introduced, which are a new tool to deal with the tensorial aspect of non-spherical interfaces. The interfacial area balance is then completed by an additional transport equation for the second order area tensor or for its deviator, which is named the interface anisotropy tensor.

决定性

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