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Author: Sean C. Garrick Publisher: Springer ISBN: 3319595849 Category : Science Languages : en Pages : 71
Book Description
This Brief focuses on the dispersion of high-porosity particles, their entrainment into the vapor-laden stream, and the condensation of vapor onto the particles. The authors begin with a simple/static problem, focusing on transport within the particle. They go on to consider the high-resolution simulation of particles in a turbulent flow and the time-dependent evolution of the fluid-particle fields. Finally, they examine the more computationally-affordable large-eddy simulation of gas-to-particle mass-transfer. The book ends with a summary and challenges as well as directions for the area.
Author: Sean C. Garrick Publisher: Springer ISBN: 3319595849 Category : Science Languages : en Pages : 71
Book Description
This Brief focuses on the dispersion of high-porosity particles, their entrainment into the vapor-laden stream, and the condensation of vapor onto the particles. The authors begin with a simple/static problem, focusing on transport within the particle. They go on to consider the high-resolution simulation of particles in a turbulent flow and the time-dependent evolution of the fluid-particle fields. Finally, they examine the more computationally-affordable large-eddy simulation of gas-to-particle mass-transfer. The book ends with a summary and challenges as well as directions for the area.
Author: Aleksei Y. Varaksin Publisher: Springer Science & Business Media ISBN: 3540680543 Category : Science Languages : en Pages : 204
Book Description
This book presents results of experimental and theoretical studies of "gas-solid particles" turbulent two-phase flows. It analyzes the characteristics of heterogeneous flows in channels (pipes), as well as those in the vicinity of the critical points of bodies subjected to flow and in the boundary layer developing on their surface. Coverage also treats in detail problems of physical simulation of turbulent gas flows which carry solid particles.
Author: Cristian Marchioli Publisher: Springer ISBN: 3319512269 Category : Technology & Engineering Languages : en Pages : 134
Book Description
The book surveys the state-of-the-art methods that are currently available to model and simulate the presence of rigid particles in a fluid flow. For particles that are very small relative to the characteristic flow scales and move without interaction with other particles, effective equations of motion for particle tracking are formulated and applied (e.g. in gas-solid flows). For larger particles, for particles in liquid-solid flows and for particles that interact with each other or possibly modify the overall flow detailed model are presented. Special attention is given to the description of the approximate force coupling method (FCM) as a more general treatment for small particles, and derivations in the context of low Reynolds numbers for the particle motion as well as application at finite Reynolds numbers are provided. Other topics discussed in the book are the relation to higher resolution immersed boundary methods, possible extensions to non-spherical particles and examples of applications of such methods to dispersed multiphase flows.
Author: Victor I. Terekhov Publisher: Springer ISBN: 3319044532 Category : Technology & Engineering Languages : en Pages : 64
Book Description
In this book the author presents selected challenges of thermal-hydraulics modeling of two-phase flows in minichannels with change of phase. These encompass the common modeling of flow boiling and flow condensation using the same expression. Approaches to model these two respective cases show, however, that experimental data show different results to those obtained by methods of calculation of heat transfer coefficient for respective cases. Partially that can be devoted to the fact that there are non-adiabatic effects present in both types of phase change phenomena which modify the pressure drop due to friction, responsible for appropriate modelling. The modification of interface shear stresses between flow boiling and flow condensation in case of annular flow structure may be considered through incorporation of the so called blowing parameter, which differentiates between these two modes of heat transfer. On the other hand, in case of bubbly flows, the generation of bubbles also modifies the friction pressure drop by the influence of heat flux. Presented are also the results of a peculiar M-shape distribution of heat transfer coefficient specific to flow boiling in minichannels. Finally, some attention is devoted to mathematical modeling of dryout phenomena. A five equation model enabling determination of the dryout location is presented, where the mass balance equations for liquid film, droplets and gas are supplemented by momentum equations for liquid film and two-phase core.
Author: Daniel E. Rosner Publisher: Courier Corporation ISBN: 0486150631 Category : Technology & Engineering Languages : en Pages : 623
Book Description
Introduction to the transport of energy, mass, and momentum in chemically reacting fluids for graduate or undergraduate students with no prior background in fluid mechanics. Solutions to selected exercises.
Author: Pannala, Sreekanth Publisher: IGI Global ISBN: 1615206523 Category : Computers Languages : en Pages : 500
Book Description
"This book provides various approaches to computational gas-solids flow and will aid the researchers, graduate students and practicing engineers in this rapidly expanding area"--Provided by publisher.
Author: Sean C. Garrick
Author: Sean C. Garrick
Author: Michael R. Buehlmann
Author: Aleksei Y. Varaksin
Author: Cristian Marchioli
Author: Victor I. Terekhov
Author: Liang-Shih Fan
Author: Kemal Hanjalić
Author: John Tasman Davies
Author: Daniel E. Rosner
Author: Pannala, Sreekanth