Experiments And Numerical Simulations Of Diluted Spray Turbulent Combustion
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Experiments and Numerical Simulations of Diluted Spray Turbulent Combustion
Author | : Bart Merci,Dirk Roekaerts,AMSINI SADIKI |
Publsiher | : Springer Science & Business Media |
Total Pages | : 180 |
Release | : 2011-06-20 |
Genre | : Technology & Engineering |
ISBN | : 9789400714090 |
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This book reflects the outcome of the 1st International Workshop on Turbulent Spray Combustion held in 2009 in Corsica (France). The focus is on reporting the progress of experimental and numerical techniques in two-phase flows, with emphasis on spray combustion. The motivation for studies in this area is that knowledge of the dominant phenomena and their interactions in such flow systems is essential for the development of predictive models and their use in combustor and gas turbine design. This necessitates the development of accurate experimental methods and numerical modelling techniques. The workshop aimed at providing an opportunity for experts and young researchers to present the state-of-the-art, discuss new developments or techniques and exchange ideas in the areas of experimentations, modelling and simulation of reactive multiphase flows. The first two papers reflect the contents of the invited lectures, given by experts in the field of turbulent spray combustion. The first concerns computational issues, while the second deals with experiments. These lectures initiated very interesting and interactive discussions among the researchers, further pursued in contributed poster presentations. Contributions 3 and 4 focus on some aspects of the impact of the interaction between fuel evaporation and combustion on spray combustion in the context of gas turbines, while the final article deals with the interaction between evaporation and turbulence.
Experiments and Numerical Simulations of Turbulent Combustion of Diluted Sprays
Author | : Bart Merci,Eva Gutheil |
Publsiher | : Springer Science & Business Media |
Total Pages | : 160 |
Release | : 2014-03-27 |
Genre | : Technology & Engineering |
ISBN | : 9783319046785 |
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This book reflects the results of the 2nd and 3rd International Workshops on Turbulent Spray Combustion. The focus is on progress in experiments and numerical simulations for two-phase flows, with emphasis on spray combustion. Knowledge of the dominant phenomena and their interactions allows development of predictive models and their use in combustor and gas turbine design. Experts and young researchers present the state-of-the-art results, report on the latest developments and exchange ideas in the areas of experiments, modelling and simulation of reactive multiphase flows. The first chapter reflects on flame structure, auto-ignition and atomization with reference to well-characterized burners, to be implemented by modellers with relative ease. The second chapter presents an overview of first simulation results on target test cases, developed at the occasion of the 1st International Workshop on Turbulent Spray Combustion. In the third chapter, evaporation rate modelling aspects are covered, while the fourth chapter deals with evaporation effects in the context of flamelet models. In chapter five, LES simulation results are discussed for variable fuel and mass loading. The final chapter discusses PDF modelling of turbulent spray combustion. In short, the contributions in this book are highly valuable for the research community in this field, providing in-depth insight into some of the many aspects of dilute turbulent spray combustion.
Modeling and Simulation of Turbulent Combustion
Author | : Santanu De,Avinash Kumar Agarwal,Swetaprovo Chaudhuri,Swarnendu Sen |
Publsiher | : Springer |
Total Pages | : 661 |
Release | : 2017-12-12 |
Genre | : Science |
ISBN | : 9789811074103 |
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This book presents a comprehensive review of state-of-the-art models for turbulent combustion, with special emphasis on the theory, development and applications of combustion models in practical combustion systems. It simplifies the complex multi-scale and nonlinear interaction between chemistry and turbulence to allow a broader audience to understand the modeling and numerical simulations of turbulent combustion, which remains at the forefront of research due to its industrial relevance. Further, the book provides a holistic view by covering a diverse range of basic and advanced topics—from the fundamentals of turbulence–chemistry interactions, role of high-performance computing in combustion simulations, and optimization and reduction techniques for chemical kinetics, to state-of-the-art modeling strategies for turbulent premixed and nonpremixed combustion and their applications in engineering contexts.
Flow and Combustion in Advanced Gas Turbine Combustors
Author | : Johannes Janicka,AMSINI SADIKI,Michael Schäfer,Christof Heeger |
Publsiher | : Springer Science & Business Media |
Total Pages | : 495 |
Release | : 2012-10-29 |
Genre | : Technology & Engineering |
ISBN | : 9789400753204 |
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With regard to both the environmental sustainability and operating efficiency demands, modern combustion research has to face two main objectives, the optimization of combustion efficiency and the reduction of pollutants. This book reports on the combustion research activities carried out within the Collaborative Research Center (SFB) 568 “Flow and Combustion in Future Gas Turbine Combustion Chambers” funded by the German Research Foundation (DFG). This aimed at designing a completely integrated modeling and numerical simulation of the occurring very complex, coupled and interacting physico-chemical processes, such as turbulent heat and mass transport, single or multi-phase flows phenomena, chemical reactions/combustion and radiation, able to support the development of advanced gas turbine chamber concepts
Atomization and Sprays
Author | : Arthur H. Lefebvre,Vincent G. McDonell |
Publsiher | : CRC Press |
Total Pages | : 284 |
Release | : 2017-03-27 |
Genre | : Technology & Engineering |
ISBN | : 9781498736268 |
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The second edition of this long-time bestseller provides a framework for designing and understanding sprays for a wide array of engineering applications. The text contains correlations and design tools that can be easily understood and used in relating the design of atomizers to the resulting spray behavior. Written to be accessible to readers with a modest technical background, the emphasis is on application rather than in-depth theory. Numerous examples are provided to serve as starting points for using the information in the book. Overall, this is a thoroughly updated edition that still retains the practical focus and readability of the original work by Arthur Lefebvre.
Fluid Mechanics Aspects of Fire and Smoke Dynamics in Enclosures
Author | : Bart Merci,Tarek Beji |
Publsiher | : CRC Press |
Total Pages | : 355 |
Release | : 2022-10-24 |
Genre | : Technology & Engineering |
ISBN | : 9781000755961 |
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- written by world leading experts in the field - contains many worked-out examples, taken from daily life fire related practical problems - covers the entire range from basics up to state-of-the-art computer simulations of fire and smoke related fluid mechanics aspects, including the effect of water - provides extensive treatment of the interaction of water sprays with a fire-driven flow - contains a chapter on CFD (Computational Fluid Dynamics), the increasingly popular calculation method in the field of fire safety science
Direct Numerical Simulation for Turbulent Reacting Flows
Author | : Thierry Baritaud,Thierry Poinsot,Markus Baum |
Publsiher | : Editions TECHNIP |
Total Pages | : 328 |
Release | : 1996 |
Genre | : Science |
ISBN | : 2710806983 |
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Contents: Description of accurate boundary conditions for the simulation of reactive flows. Parallel direct numerical simulation of turbulent reactive flow. Flame-wall interaction and heat flux modelling in turbulent channel flow. A numerical study of laminar flame wall interaction with detailed chemistry: wall temperature effects. Modeling and simulation of turbulent flame kernel evolution. Experimental and theoretical analysis of flame surface density modelling for premixed turbulent combustion. Gradient and counter-gradient transport in turbulent premixed flames. Direct numerical simulation of turbulent flames with complex chemical kinetics. Effects of curvature and unsteadiness in diffusion flames. Implications for turbulent diffusion combustion. Numerical simulations of autoignition in turbulent mixing flows. Stabilization processes of diffusion flames. References.
Liquid Spray from Nozzles
Author | : Nikolay N. Simakov |
Publsiher | : Springer |
Total Pages | : 194 |
Release | : 2019-05-10 |
Genre | : Technology & Engineering |
ISBN | : 9783030124465 |
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This book advances a new view of phenomena associated with the spray of liquids from a nozzle in a gas. New results of experimental studies and numerical simulation of the hydrodynamics of an emerging two-phase flow and accompanying interphase heat and mass transfer therein are presented. The book is ideal for specialists who develop and use technologies involving the spraying of liquids in a gas, such as burning and pyrolysis of liquid hydrocarbons, granulation and drying of polymers, and dust and gas scrubbing.