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Author: Ahmed Maghrebi Publisher: Editions Universitaires Europeennes ISBN: 9783841733610 Category : Languages : fr Pages : 116
Book Description
L'efficacite energetique est le maitre-mot de notre epoque ou la modernite a ete fondee sur des energies fossiles tres polluantes qui tendent inexorablement vers l'epuisement. Les etudes d'optimisation de la combustion sont une necessite dans cette periode de transition energetique. Cette etude s'inscrit dans ce cadre et traite la combustion turbulente non-premelange dans un jet coaxial. La premiere partie est une etude analytique qui explique les theories de flamme de diffusion et de fraction de melange. La deuxieme partie decrit le dispositif experimental imagine et concu pour valider ces theories. La troisieme partie decrit d'abord la methodologie de construction et de resolution du modele numerique. Ensuite, s'appuie sur les resultats obtenus par simulation numerique sur ANSYS-FLUENT pour etudier la stabilite de la flamme, l'interaction et l'interdependance des differentes grandeurs physiques (la turbulence, la temperature, st chiometrie). Et enfin, met en evidence l'effet de confinement et de la recirculation de fumees.
Author: Ahmed Maghrebi Publisher: Editions Universitaires Europeennes ISBN: 9783841733610 Category : Languages : fr Pages : 116
Book Description
L'efficacite energetique est le maitre-mot de notre epoque ou la modernite a ete fondee sur des energies fossiles tres polluantes qui tendent inexorablement vers l'epuisement. Les etudes d'optimisation de la combustion sont une necessite dans cette periode de transition energetique. Cette etude s'inscrit dans ce cadre et traite la combustion turbulente non-premelange dans un jet coaxial. La premiere partie est une etude analytique qui explique les theories de flamme de diffusion et de fraction de melange. La deuxieme partie decrit le dispositif experimental imagine et concu pour valider ces theories. La troisieme partie decrit d'abord la methodologie de construction et de resolution du modele numerique. Ensuite, s'appuie sur les resultats obtenus par simulation numerique sur ANSYS-FLUENT pour etudier la stabilite de la flamme, l'interaction et l'interdependance des differentes grandeurs physiques (la turbulence, la temperature, st chiometrie). Et enfin, met en evidence l'effet de confinement et de la recirculation de fumees.
Author: Thierry Poinsot Publisher: R.T. Edwards, Inc. ISBN: 9781930217102 Category : Science Languages : en Pages : 544
Book Description
Introducing numerical techniques for combustion, this textbook describes both laminar and turbulent flames, addresses the problem of flame-wall interaction, and presents a series of theoretical tools used to study the coupling phenomena between combustion and acoustics. The second edition incorporates recent advances in unsteady simulation methods,
Author: D Brian Spalding Publisher: Elsevier ISBN: 1483188175 Category : Reference Languages : en Pages : 393
Book Description
Genmix: A General Computer Program for Two-dimensional Parabolic Phenomena explains a computer program called GENMIX. The main intention of the program is to be used as a tool of instructions. The name of the program is a mixture of two considerations: its generality and its concern for mixing processes. The book aims to help the potential user to understand the physical and mathematical basis of the topic computer program. It is also the aim of the book to make the program applicable to practical problems. The book is arranged in such a way as to parallel a course of lectures and associated computer-workshop sessions wherein the student is allowed to do some elementary computations as soon as he has gained some knowledge of the method. The book contains the mathematical, physical, and computer-coding aspects of the program. Concepts such as the boundary layer, two-dimensional, and steady- flow are defined and discussed in depth. The text will be a useful tool for computer instructors and students.
Author: Genevieve Comte-Bellot Publisher: Springer Science & Business Media ISBN: 3642830455 Category : Science Languages : en Pages : 597
Book Description
Since 1964 the main function of the European Mechanics Committee has been to arrange Euromech Colloquia. These are three- or four-day meetings for the discussion of current research on a specified and relatively narrow topic in mechanics, by about 50 specialists chosen for their active involvement in research in that topic. The organization of each Euromech Colloquium is entrusted by the Committee to one or two selected scientists of repute in the field, and these organizers are enjoined to achieve a friendly and informal forum for discussion, with a minimum of paper work and expenditure. Over 220 Euromech Colloquia have been held since 1964 (about 40 each in France, West Germany and Britain and the remainder in 18 countries in both western and eastern Europe) on a wide range of topics drawn from the mechanics of solid materials, hydrodynamics, gas dynamics and mechanical systems. The Committee believes that collectively, Euromech Colloquia have made a significant contribution to the exchange of ideas on topics in mechanics within Europe and have thereby helped to overcome the barriers to easy scientific communication in that sorely divided continent. A few years ago the European Mechanics Committee turned its atten tion to the possible need for European conferences on a larger scale than Euromech Colloquia.
Author: Clive Davies Publisher: Elsevier ISBN: 1483136051 Category : Technology & Engineering Languages : en Pages : 287
Book Description
Calculations in Furnace Technology presents the theoretical and practical aspects of furnace technology. This book provides information pertinent to the development, application, and efficiency of furnace technology. Organized into eight chapters, this book begins with an overview of the exothermic reactions that occur when carbon, hydrogen, and sulfur are burned to release the energy available in the fuel. This text then evaluates the efficiencies to measure the quantity of fuel used, of flue gases leaving the plant, of air entering, and the heat lost to the surroundings. Other chapters consider that it is important to determine the amount of carbon discharged with the ashes, the quantity and composition of any tar produced, so that a carbon balance can be applied. The final chapter describes the various reactions within the furnace atmosphere and between charges and atmosphere. This book is a valuable resource for fuel technologists, heating and ventilating engineers, and plant operators.
Author: Ahmed Maghrebi
Author: Ahmed Maghrebi
Author: Y. Goldman
Author: Thierry Poinsot
Author: D Brian Spalding
Author: Suhas V. Patankar
Author: Genevieve Comte-Bellot
Author: Dudley Brian Spalding
Author: A. D. Gosman
Author: Clive Davies
Author: