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Author: Sebastian Hann Publisher: ISBN: 9783658332334 Category : Languages : en Pages : 0
Book Description
Sebastian Hann describes the development of a quasi-dimensional burn rate model that enables the prediction of a fuel variation, without the need for a recalibration of the model. The model is valid for spark-ignition combustion engines powered by conventional and carbon-neutral fuels. Its high predictive ability was achieved by modeling the fuel-dependent laminar flame speed based on reaction kinetics calculations. In addition, the author discards a fuel influence on flame wrinkling by performing an engine measurement data analysis. He investigates the fuel influence on engine knock and models it via ignition delay times obtained from reaction kinetics calculations. Contents Fuel Influence on Flame Wrinkling Laminar Flame Speed Model Burn Rate Model Improvement Engine Knock Investigation and Modeling Target Groups Scientists and students in the field of automotive engineering, esp. thermodynamics and 0D/1D engine simulation Calculation and development engineers in industry working in the field of thermodynamics, esp. combustion engine development About the Author Sebastian Hann works as a research assistant in the field of 0D/1D simulation at the Institute of Automotive Engineering, University of Stuttgart. He dealt with the investigation and modeling of the fuel influence on spark-ignition engine combustion and engine knock. In addition to conventional fuels, he also considered carbon-neutral fuels.
Author: Sebastian Hann Publisher: ISBN: 9783658332334 Category : Languages : en Pages : 0
Book Description
Sebastian Hann describes the development of a quasi-dimensional burn rate model that enables the prediction of a fuel variation, without the need for a recalibration of the model. The model is valid for spark-ignition combustion engines powered by conventional and carbon-neutral fuels. Its high predictive ability was achieved by modeling the fuel-dependent laminar flame speed based on reaction kinetics calculations. In addition, the author discards a fuel influence on flame wrinkling by performing an engine measurement data analysis. He investigates the fuel influence on engine knock and models it via ignition delay times obtained from reaction kinetics calculations. Contents Fuel Influence on Flame Wrinkling Laminar Flame Speed Model Burn Rate Model Improvement Engine Knock Investigation and Modeling Target Groups Scientists and students in the field of automotive engineering, esp. thermodynamics and 0D/1D engine simulation Calculation and development engineers in industry working in the field of thermodynamics, esp. combustion engine development About the Author Sebastian Hann works as a research assistant in the field of 0D/1D simulation at the Institute of Automotive Engineering, University of Stuttgart. He dealt with the investigation and modeling of the fuel influence on spark-ignition engine combustion and engine knock. In addition to conventional fuels, he also considered carbon-neutral fuels.
Author: Sebastian Hann Publisher: Springer Nature ISBN: 3658332328 Category : Technology & Engineering Languages : en Pages : 163
Book Description
Sebastian Hann describes the development of a quasi-dimensional burn rate model that enables the prediction of a fuel variation, without the need for a recalibration of the model. The model is valid for spark-ignition combustion engines powered by conventional and carbon-neutral fuels. Its high predictive ability was achieved by modeling the fuel-dependent laminar flame speed based on reaction kinetics calculations. In addition, the author discards a fuel influence on flame wrinkling by performing an engine measurement data analysis. He investigates the fuel influence on engine knock and models it via ignition delay times obtained from reaction kinetics calculations.
Author: Sebastian K. Crönert Publisher: Springer Nature ISBN: 3658430753 Category : Technology & Engineering Languages : en Pages : 220
Book Description
Sebastian K. Crönert presents a new, automated process that makes it possible to obtain all the fuel properties required for combustion simulation. If necessary, these are then transferred - also automatically - into specially created correlation equations through which they are then made available again at simulation runtime. This method makes it possible to represent even more complex correlations and cross-influences on calculation variables in a resource-optimised way (memory requirements and access time) while maintaining the same accuracy. The procedure is validated using test bench measurement data for the pure fuels anisole and cyclopentanone and their blends with regular petrol (RON95E10). Additional validations include more established synthetic fuels and hydrogen. It is shown that an extraordinarily high prediction quality can be achieved for the model class.
Author: Ahmed F. Zobaa Publisher: BoD – Books on Demand ISBN: 9535128396 Category : Technology & Engineering Languages : en Pages : 208
Book Description
The sustainable energy sources are potentially employed to substitute petrol fuels in transport engines such as buses and small vehicles. Hydrogen-enriched compressed natural gas engines are forthcoming energy carriers for the internal combustion engine, with higher thermal efficiency and less pollutant emissions. The different availability of renewables has allowed various countries to adopt the most appropriate type of renewable energy technology according to their energy source adequacy/abundance. In Taiwan, ocean energy is considered as an abundant source of renewables due to its geographical location as an island. The Taiwanese government has approved the investment to construct an MW-scale demonstration electricity plant. In this book, the Taiwanese ocean energy experience is comprehensively presented. The technical and legal analyses of ocean energy implementation are provided. The challenges that they had to overcome to optimize the utilization of the most available ocean energy potential are discussed. The sustainable transition in South Africa would be a good example for implementing rooftop solar, especially in low-income communities. Apart from the environmental benefits, sustainable energy technologies can boost the socioeconomic level of developing countries. Other advantages may be the continuous supply of energy and creation of new job opportunities. Moreover, sustainable renewable energy sources such as the wind could be employed for generating electricity to operate water purification systems in remote areas. This, in turn, would overcome the health problems associated with drinking water scarcity issues. This book is an attempt to cover the sustainable energy issues from a technical perspective. Furthermore, the sustainable energy applications and existing case studies are helpful illustrations for the broad understanding of the importance of sustainable energy.
Author: John B. Heywood Publisher: McGraw-Hill Education ISBN: 9780071004992 Category : Internal combustion engines Languages : en Pages : 930
Book Description
This text, by a leading authority in the field, presents a fundamental and factual development of the science and engineering underlying the design of combustion engines and turbines. An extensive illustration program supports the concepts and theories discussed.
Author: Lino Guzzella Publisher: Springer Science & Business Media ISBN: 3662080036 Category : Technology & Engineering Languages : en Pages : 303
Book Description
Internal combustion engines still have a potential for substantial improvements, particularly with regard to fuel efficiency and environmental compatibility. These goals can be achieved with help of control systems. Modeling and Control of Internal Combustion Engines (ICE) addresses these issues by offering an introduction to cost-effective model-based control system design for ICE. The primary emphasis is put on the ICE and its auxiliary devices. Mathematical models for these processes are developed in the text and selected feedforward and feedback control problems are discussed. The appendix contains a summary of the most important controller analysis and design methods, and a case study that analyzes a simplified idle-speed control problem. The book is written for students interested in the design of classical and novel ICE control systems.
Author: J. Warnatz Publisher: Springer Science & Business Media ISBN: 3540453636 Category : Technology & Engineering Languages : en Pages : 389
Book Description
This book provides a rigorous treatment of the coupling of chemical reactions and fluid flow. Combustion-specific topics of chemistry and fluid mechanics are considered and tools described for the simulation of combustion processes. This edition is completely restructured. Mathematical Formulae and derivations as well as the space-consuming reaction mechanisms have been replaced from the text to appendix. A new chapter discusses the impact of combustion processes on the atmosphere, the chapter on auto-ignition is extended to combustion in Otto- and Diesel-engines, and the chapters on heterogeneous combustion and on soot formation are heavily revised.
Author: P. A. Lakshminarayanan Publisher: Springer Science & Business Media ISBN: 904813885X Category : Technology & Engineering Languages : en Pages : 313
Book Description
Phenomenology of Diesel Combustion and Modeling Diesel is the most efficient combustion engine today and it plays an important role in transport of goods and passengers on land and on high seas. The emissions must be controlled as stipulated by the society without sacrificing the legendary fuel economy of the diesel engines. These important drivers caused innovations in diesel engineering like re-entrant combustion chambers in the piston, lower swirl support and high pressure injection, in turn reducing the ignition delay and hence the nitric oxides. The limits on emissions are being continually reduced. The- fore, the required accuracy of the models to predict the emissions and efficiency of the engines is high. The phenomenological combustion models based on physical and chemical description of the processes in the engine are practical to describe diesel engine combustion and to carry out parametric studies. This is because the injection process, which can be relatively well predicted, has the dominant effect on mixture formation and subsequent course of combustion. The need for improving these models by incorporating new developments in engine designs is explained in Chapter 2. With “model based control programs” used in the Electronic Control Units of the engines, phenomenological models are assuming more importance now because the detailed CFD based models are too slow to be handled by the Electronic Control Units. Experimental work is necessary to develop the basic understanding of the pr- esses.
Author: Sebastian Hann
Author: Sebastian Hann
Author: Sebastian Hann
Author: Sebastian K. Crönert
Author: Society of Automotive Engineers
Author: 
Author: Ahmed F. Zobaa
Author: John B. Heywood
Author: Lino Guzzella
Author: J. Warnatz
Author: P. A. Lakshminarayanan