Analyse De Flammes Premelangees Methane

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Analyse de flammes prémélangées méthane

Author : Katarzyna Marschallek
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (493 download)

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Book Synopsis Analyse de flammes prémélangées méthane by : Katarzyna Marschallek

Download or read book Analyse de flammes prémélangées méthane written by Katarzyna Marschallek and published by . This book was released on 2006 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les émissions d'oxydes d'azote (NOx), responsables notamment de la pollution photochimique, de la formation des pluies acides et d'ozone troposphérique, .... ont un impact sanitaire et environnemental important. Des normes très contraignantes pour limiter ces émissions polluantes sont actuellement en vigueur pour les sources fixes (brûleurs, centrales thermiques, chaudières, .. ) et mobiles (moteurs automobiles, aéronautique, ... ). Les NOx sont essentiellement des sous-produits de combustion. Parmi les procédés de dénitrification, des technologies alternatives de Recombustion Avancée (RA), qui associent la Recombustion (par le gaz naturel) et la Réduction Sélective Non Catalytique (SNCR) (par des espèces azotées), sont actuellement en cours de validation à l'échelle industrielle. L'objectif de l'étude a d'abord été d'établir une base de données expérimentales détaillées pour mieux comprendre les procéssus cinétiques mis en jeu dans les procédés de RA et principalement les interactions entre les espèces NO, CHi et NHi. Quatre flammes laminaires prémélangées CH4/O2/N2, CH4/O2/N2/NO, CH4/O2/N2/NH3 et CH4/O2/N2/NO/NH3 ont été étudiées à basse pression. Les profils de fraction molaire des espèces stables et radicalaires sont mesurés en couplant l'échantillonnage par cône avec un prélèvement par Faisceau Molécuiaire associé à une analyse des espèces par Spectrométrie de Masse (FM/SM) ainsi qu'avec la spectroscopie d'absorption InfraRouge à Transformée de Fourier (IRTF). La température est mesurée par thermocouple recouvert. Les profils des espèces sont comparés avec ceux prédits par quatre mécanismes cinétiques détaillés disponibles dans la littérature. Les voies réactionnelles responsables de la réduction globale de NO ont été analysées, c'est-à-dire les réactions de recombustion de NO qui font intervenir les espèces de type CHi (voies majoritaires) et les réactions de la SNCR qui mettent en jeu des espèces de type NHi et qui conduisent à la formation de N2. L'étude de la réduction de NO a également été entreprise, dans des conditions se rapprochant du procédé industriel, sur un réacteur semi-pilote constitué d'un brûleur permettant de générer des fumées puis d'une zone régulée en température permettant l'injection de gaz de dénitrification et assimilable à un réacteur piston. Les effluents sont analysés par IRTF en mode recombustion par le méthane. Les résultats expérimentaux et les taux de réduction de NO sont également comparés à ceux obtenus par modélisation. Dans nos conditions expérimentales, deux processus chimiques peuvent être en compétition la réduction de NO par recombustion et la formation de NO à partir du mécanisme du NO-précoce. L'importance relative des deux processus est étroitement liée au temps de séjour, à la température de la zone de recombustion et à la richesse locale liée à la quantité de méthane injecté.

Heat Transfer 1990

Author : Gad Hetsroni
Publisher : CRC Press
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis Heat Transfer 1990 by : Gad Hetsroni

Download or read book Heat Transfer 1990 written by Gad Hetsroni and published by CRC Press. This book was released on 1990 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of papers written for the Ninth International Heat Transfer Conference held in Jerusalem in 1990. The topics covered include natural convection, phase change, heat transfer augmentation, heat exchangers, two-phase flows and conduction and insulation.

Particle Image Velocimetry

Author : Markus Raffel
Publisher : Springer Science & Business Media
ISBN 13 : 3540723072
Total Pages : 460 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Particle Image Velocimetry by : Markus Raffel

Download or read book Particle Image Velocimetry written by Markus Raffel and published by Springer Science & Business Media. This book was released on 2007-08-09 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This immensely practical guide to PIV provides a condensed, yet exhaustive guide to most of the information needed for experiments employing the technique. This second edition has updated chapters on the principles and extra information on microscopic, high-speed and three component measurements as well as a description of advanced evaluation techniques. What’s more, the huge increase in the range of possible applications has been taken into account as the chapter describing these applications of the PIV technique has been expanded.

Current Programs

Author :
Publisher :
ISBN 13 :
Total Pages : 534 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Current Programs by :

Download or read book Current Programs written by and published by . This book was released on 1975 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Turbulent Combustion

Author : L. Vervisch
Publisher :
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Turbulent Combustion by : L. Vervisch

Download or read book Turbulent Combustion written by L. Vervisch and published by . This book was released on 2005 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modelling Spark Ignition Combustion

Author : P. A. Lakshminarayanan
Publisher : Springer Nature
ISBN 13 : 9819706297
Total Pages : 678 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Modelling Spark Ignition Combustion by : P. A. Lakshminarayanan

Download or read book Modelling Spark Ignition Combustion written by P. A. Lakshminarayanan and published by Springer Nature. This book was released on with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Directory of Fire Research in the United States

Author : National Research Council (U.S.). Committee on Fire Research
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Directory of Fire Research in the United States by : National Research Council (U.S.). Committee on Fire Research

Download or read book Directory of Fire Research in the United States written by National Research Council (U.S.). Committee on Fire Research and published by . This book was released on 1978 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Swirl Flows

Author : Ashwani K. Gupta
Publisher : Routledge
ISBN 13 :
Total Pages : 496 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Swirl Flows by : Ashwani K. Gupta

Download or read book Swirl Flows written by Ashwani K. Gupta and published by Routledge. This book was released on 1984 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Theoretical and Numerical Combustion

Author : Thierry Poinsot
Publisher : R.T. Edwards, Inc.
ISBN 13 : 9781930217102
Total Pages : 544 pages
Book Rating : 4.2/5 (171 download)

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Book Synopsis Theoretical and Numerical Combustion by : Thierry Poinsot

Download or read book Theoretical and Numerical Combustion written by Thierry Poinsot and published by R.T. Edwards, Inc.. This book was released on 2005 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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,

Approaches for Clean Combustion in Gas Turbines

Author : Medhat A. Nemitallah
Publisher : Springer Nature
ISBN 13 : 303044077X
Total Pages : 426 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Approaches for Clean Combustion in Gas Turbines by : Medhat A. Nemitallah

Download or read book Approaches for Clean Combustion in Gas Turbines written by Medhat A. Nemitallah and published by Springer Nature. This book was released on 2020-03-24 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the development of novel combustion approaches and burner designs for clean power generation in gas turbines. It shows the reader how to control the release of pollutants to the environment in an effort to reduce global warming. After an introduction to global warming issues and clean power production for gas turbine applications, subsequent chapters address premixed combustion, burner designs for clean power generation, gas turbine performance, and insights on gas turbine operability. Given its scope, the book can be used as a textbook for graduate-level courses on clean combustion, or as a reference book to accompany compact courses for mechanical engineers and young researchers around the world.

Design of Gas Burners for Domestic Use

Author : United States. Bureau of Standards
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Design of Gas Burners for Domestic Use by : United States. Bureau of Standards

Download or read book Design of Gas Burners for Domestic Use written by United States. Bureau of Standards and published by . This book was released on 1931 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gas Explosion Handbook

Author : Kees Van Wingerden
Publisher : Gulf Professional Publishing
ISBN 13 : 9780128016961
Total Pages : 0 pages
Book Rating : 4.0/5 (169 download)

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Book Synopsis Gas Explosion Handbook by : Kees Van Wingerden

Download or read book Gas Explosion Handbook written by Kees Van Wingerden and published by Gulf Professional Publishing. This book was released on 2029-01-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas Explosion Handbook provides an overview of the latest research on gas explosion hazards within the oil and gas industry, and is the only book which focuses specifically on gas explosions. The book is informed by the author's long experience in safety consulting, supporting his findings with examples and case studies. This useful resource reviews all relevant scientific and technical work performed in the field, and presents important lessons on release phenomena, dispersion processes, ignition sources and their properties, explosion processes and phenomena, blast waves, modeling of release, dispersion and explosion, hazardous area classification, and probabilities of release and ignition. The current regulatory frameworks, both onshore and offshore, from several countries are also reviewed, together with national and international standards supporting these regulations. The book is suitable for those new to the area as well as experienced professionals. Provides an overview of the latest research on gas explosion hazards within the oil and gas industry Designed to prevent accidents, injury, loss of life, and capital damage Includes onshore and offshore International regulatory standards Features the different type of models for gas explosions, and provides guidance as to which model is appropriate to a situation Covers tactics for conducting gas explosion safety studies, considering ventilation, gas dispersion and gas explosions for traditional platform constructions, FPSO's, and FLNG's

Unsteady Combustor Physics

Author : Tim C. Lieuwen
Publisher : Cambridge University Press
ISBN 13 : 1139576836
Total Pages : 427 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis Unsteady Combustor Physics by : Tim C. Lieuwen

Download or read book Unsteady Combustor Physics written by Tim C. Lieuwen and published by Cambridge University Press. This book was released on 2012-08-27 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developing clean, sustainable energy systems is a pre-eminent issue of our time. Most projections indicate that combustion-based energy conversion systems will continue to be the predominant approach for the majority of our energy usage. Unsteady combustor issues present the key challenge associated with the development of clean, high-efficiency combustion systems such as those used for power generation, heating or propulsion applications. This comprehensive study is unique, treating the subject in a systematic manner. Although this book focuses on unsteady combusting flows, it places particular emphasis on the system dynamics that occur at the intersection of the combustion, fluid mechanics and acoustic disciplines. Individuals with a background in fluid mechanics and combustion will find this book to be an incomparable study that synthesises these fields into a coherent understanding of the intrinsically unsteady processes in combustors.

Numerical Combustion

Author : Alain Dervieux
Publisher : Springer
ISBN 13 : 9783662137482
Total Pages : 483 pages
Book Rating : 4.1/5 (374 download)

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Book Synopsis Numerical Combustion by : Alain Dervieux

Download or read book Numerical Combustion written by Alain Dervieux and published by Springer. This book was released on 2014-03-12 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in numerical combustion is growing among applied mathematicians, physicists, chemists, engine manufacturers and many industrialists. This proceedings volume contains nine invited lectures and twenty seven contributions carefully selected by the editors. The major themes are numerical simulation of transsonic and supersonic combustion phenomena, the study of supersonic reacting mixing layers, and turbulent combustion. Emphasis is laid on hyperbolic models and on numerical simulations of hydrocarbon planes with a complete set of chemical reactions carried out in two-dimensional geometries as well as on complex reactive flow simulations.

Government Reports Annual Index

Author :
Publisher :
ISBN 13 :
Total Pages : 1704 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1989 with total page 1704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Safety with Cryogenic Fluids

Author : M. G. Zabetakis
Publisher : Springer
ISBN 13 : 1489956840
Total Pages : 162 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Safety with Cryogenic Fluids by : M. G. Zabetakis

Download or read book Safety with Cryogenic Fluids written by M. G. Zabetakis and published by Springer. This book was released on 2014-07-08 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Livestock Policy Analysis

Author : International Livestock Research Institute
Publisher : ILRI (aka ILCA and ILRAD)
ISBN 13 : 9789291460038
Total Pages : 268 pages
Book Rating : 4.4/5 (6 download)

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Book Synopsis Livestock Policy Analysis by : International Livestock Research Institute

Download or read book Livestock Policy Analysis written by International Livestock Research Institute and published by ILRI (aka ILCA and ILRAD). This book was released on 1995-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.