Numerical Simulation Of Liquid Fuel Combustor For Control Of Combustion
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Numerical Simulation Of Liquid Fuel Combustor For Control Of Combustion
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Author : Kaustav Sengupta
language : en
Publisher:
Release Date : 2004
Numerical Simulation Of Liquid Fuel Combustor For Control Of Combustion written by Kaustav Sengupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Experiments And Numerical Simulations Of Diluted Spray Turbulent Combustion
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Author : Bart Merci
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-20
Experiments And Numerical Simulations Of Diluted Spray Turbulent Combustion written by Bart Merci and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-20 with Technology & Engineering categories.
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.
Internal Combustion Processes Of Liquid Rocket Engines
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Author : Zhen-Guo Wang
language : en
Publisher: John Wiley & Sons
Release Date : 2016-05-17
Internal Combustion Processes Of Liquid Rocket Engines written by Zhen-Guo Wang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-17 with Technology & Engineering categories.
This book concentrates on modeling and numerical simulations of combustion in liquid rocket engines, covering liquid propellant atomization, evaporation of liquid droplets, turbulent flows, turbulent combustion, heat transfer, and combustion instability. It presents some state of the art models and numerical methodologies in this area. The book can be categorized into two parts. Part 1 describes the modeling for each subtopic of the combustion process in the liquid rocket engines. Part 2 presents detailed numerical methodology and several representative applications in simulations of rocket engine combustion.
Numerical Simulation Of Combustion Instability In Liquid Fueled Engines
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Author : Y. M. Kim
language : en
Publisher:
Release Date : 1992
Numerical Simulation Of Combustion Instability In Liquid Fueled Engines written by Y. M. Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Combustion Of Liquid Fuel Sprays
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Author : Alan Williams
language : en
Publisher: Butterworth-Heinemann
Release Date : 2013-10-22
Combustion Of Liquid Fuel Sprays written by Alan Williams and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Combustion of Liquid Fuel Sprays outlines the fundamentals of the combustion of sprays in a unified way which may be applied to any technological application. The book begins with a discussion of the general nature of spray combustion, the sources of liquid fuels used in spray combustion, biomass sources of liquid fuels, and the nature and properties of fuel oils. Subsequent chapters focus on the properties of sprays, the atomization of liquid fuels, and the theoretical modeling of the behavior of a spray flame in a combustion chamber. The nature and control of pollutants from spray combustion, the formation of deposits in oil-fired systems, and the combustion of sprays in furnaces and engines are elucidated as well. The text is intended for students undertaking courses or research in fuel, combustion, and energy studies.
Numerical Simulation Of Spray Combustion Using Bio Mass Derived Liquid Fuels
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Author : D. Rochaya
language : en
Publisher:
Release Date : 2007
Numerical Simulation Of Spray Combustion Using Bio Mass Derived Liquid Fuels written by D. Rochaya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Experiments And Numerical Simulations Of Turbulent Combustion Of Diluted Sprays
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Author : Bart Merci
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-03-27
Experiments And Numerical Simulations Of Turbulent Combustion Of Diluted Sprays written by Bart Merci and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-27 with Technology & Engineering categories.
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.
Numerical Simulation Of Spray Combustion Using Bio Mass Derived Liquid Fuels
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Author :
language : en
Publisher:
Release Date : 2001
Numerical Simulation Of Spray Combustion Using Bio Mass Derived Liquid Fuels written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
The main objective of this work is to create a robust model for two-phase liquid spray combustion flow using vegetable oils, to investigate the flow structure generated by a swirler array with different fuels, and secondly to assess and optimise the capability of the CFD to predict accurately the results obtained experimentally and eventually enhance CFD model development and simulation. Validation is achieved by comparing the numerical results obtained with CFD with the experimental measurements. The purpose of this research is to increase the scientific understanding of the fundamental mechanisms of the spray combustion process using a carbon neutral fuel such as ethanol and biodiesel. In fact, very few numerical simulations of liquid biomass fuels in gas turbine systems are available in the literature. The flames are simulated using the commercial code FLUENT. The combustion/turbulence interaction is modelled using the laminar flamelet approach with detailed chemistry modelled using the OPPDIFF model from CHEMKIN. While the experiments could be carried out only up to 3 atm, the simulations were further extended to a maximum pressure of 10 atm. The FLUENT results were assessed qualitatively and quantitatively between the experimental measurements and the simulation. The cold flow features have been captured by the present simulations with a good degree of accuracy. Effect of air preheating was investigated for the biodiesel, and sensitivity to droplet size and spray angles variation were analysed. Good agreement was obtained for ethanol except in the fuel lean region due to failure of the FLUENT laminar flamelet model to capture local flame extinction while biodiesel simulation resulted in a significant overprediction of the flame temperature especially in the downstream region and satisfactory results further upstream. The results show the importance of setting proper droplet initial conditions, since it will significantly affect the structure of the flame.
Numerical Simulation And Active Control Of Combustion Instability In A Ramjet Combustor
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Author : S. Menon
language : en
Publisher:
Release Date : 1990
Numerical Simulation And Active Control Of Combustion Instability In A Ramjet Combustor written by S. Menon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Modeling Engine Spray And Combustion Processes
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Author : Gunnar Stiesch
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Modeling Engine Spray And Combustion Processes written by Gunnar Stiesch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Computers categories.
The utilization of mathematical models to numerically describe the performance of internal combustion engines is of great significance in the development of new and improved engines. Today, such simulation models can already be viewed as standard tools, and their importance is likely to increase further as available com puter power is expected to increase and the predictive quality of the models is constantly enhanced. This book describes and discusses the most widely used mathematical models for in-cylinder spray and combustion processes, which are the most important subprocesses affecting engine fuel consumption and pollutant emissions. The relevant thermodynamic, fluid dynamic and chemical principles are summarized, and then the application of these principles to the in-cylinder processes is ex plained. Different modeling approaches for the each subprocesses are compared and discussed with respect to the governing model assumptions and simplifica tions. Conclusions are drawn as to which model approach is appropriate for a specific type of problem in the development process of an engine. Hence, this book may serve both as a graduate level textbook for combustion engineering stu dents and as a reference for professionals employed in the field of combustion en gine modeling. The research necessary for this book was carried out during my employment as a postdoctoral scientist at the Institute of Technical Combustion (ITV) at the Uni versity of Hannover, Germany and at the Engine Research Center (ERC) at the University of Wisconsin-Madison, USA.