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2016 | Book

Heterogeneous Media Read chapter Read first chapter

Thermal Non-Equilibrium in Heterogeneous Media

Author: Marcelo J.S. de Lemos

Publisher: Springer International Publishing

Book Series : SpringerBriefs in Applied Sciences and Technology

Part of: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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About this book

This book presents, in a self-contained fashion, a series of studies on flow and heat transfer in porous media, in which distinct energy balances are considered for the porous matrix and for the permeating fluid. Detailed mathematical modeling is presented considering both volume and time averaging operators simultaneously applied to the governing equations. System involving combustion in the gaseous phase, moving bed and double-diffusion mechanism are analyzed. Numerical results are presented for each case. In the end, this book contains the description of a tool that might benefit engineers in developing and designing more efficient thermal equipment.

Table of Contents

Frontmatter
Chapter 1. Heterogeneous Media
Abstract
This book presents, in a self-contained fashion, a series of studies on flow and heat transfer in porous media, in which distinct energy balances are considered for the porous matrix and for the permeating fluid.
Marcelo J. S. de Lemos
Chapter 2. Modeling of Thermal Non-equilibrium
Abstract
Convection heat transfer in porous media has been extensively investigated due to its many important engineering applications. The wide applications available have led to numerous investigations in this area. Such applications can be found in solar receiver devices, building thermal insulation, heat exchangers, energy storage units, etc. From the point of view of the energy equation there are two different models, local thermal equilibrium model and two energy approach.
Marcelo J. S. de Lemos
Chapter 3. Moving Systems
Abstract
There is an increasing interest in the use of moving bed technology for chemical compound separation, recuperation of petrochemical processes, drying of grains and seeds and removal of organic matter in affluents, to mention a few applications. The advantages of using a moving bed configuration are low investment, low energy consumption, low maintenance and improvement process performance.
Marcelo J. S. de Lemos
Chapter 4. Combustion Systems
Abstract
Modeling of flows in inert porous media has attracted the attention of scientists and engineers worldwide and in the last decade a number of outstanding books, handbooks and edited books have been written on the subject [Pop I, Ingham DB, Convective heat transfer: mathematical and computational modeling of viscous fluids and porous media (2001)–Nield DA, Bejan A, Convection in porous media, 4th edn (2013)].
Marcelo J. S. de Lemos
Chapter 5. Double Diffusion
Abstract
Analyses of double-diffusive phenomena in free convection in permeable media has many environmental and industrial applications, such as in oil and gas extraction, movement of gas concentration into the ground, contaminant dispersion in soils, grain storage and drying, petrochemical processes, electrochemical processes, to mention a few [Nithiarasu P, Sundararajan T, Seetharamu KN, Int Commun Heat Mass Transf 24(8):1121 (1997)–Khadiri A, Amahmid A, Hasnaoui M, Rtibi A, Numer Heat Transf Part A, 57(1 I):848–868 (2010)].
Marcelo J. S. de Lemos
Chapter 6. Final Remarks
Abstract
This book presented, in a self-contained fashion, a series of studies on flow and heat transfer in porous media, in which distinct energy balances are considered for the porous matrix and for the permeating fluid.
Marcelo J. S. de Lemos
Metadata
Title
Thermal Non-Equilibrium in Heterogeneous Media
Author
Marcelo J.S. de Lemos
Copyright Year
2016
Electronic ISBN
978-3-319-14666-9
Print ISBN
978-3-319-14665-2
DOI
https://doi.org/10.1007/978-3-319-14666-9

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