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Analysis of Injection Processes in an Innovative 3D-CFD Tool for the Simulation of Internal Combustion Engines

Analysis of Injection Processes in an Innovative 3D-CFD Tool for the Simulation of Internal Combustion Engines
Author: Marlene Wentsch
Publisher: Springer
Total Pages: 155
Release: 2018-05-16
Genre: Technology & Engineering
ISBN: 3658221674
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Due to the large number of influencing parameters and interactions, the fuel injection and therewith fuel propagation and distribution are among the most complex processes in an internal combustion engine. For this reason, injection is usually the subject to highly detailed numerical modeling, which leads to unacceptably high computing times in the 3D-CFD simulation of a full engine domain. Marlene Wentsch presents a critical analysis, optimization and extension of injection modeling in an innovative, fast response 3D-CFD tool that is exclusively dedicated to the virtual development of internal combustion engines. About the Author Marlene Wentsch works as research associate in the field of 3D-CFD simulations of injection processes at the Institute of Internal Combustion Engines and Automotive Engineering (IVK), University of Stuttgart, Germany.

An Innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines

An Innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines
Author: Marco Chiodi
Publisher: Springer Science & Business Media
Total Pages: 275
Release: 2011-03-07
Genre: Technology & Engineering
ISBN: 3834881317
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In the engine development process, simulation and predictive programs have continuously gained in reliance. Due to the complexity of future internal combustion engines the application of simulation programs towards a reliable “virtual engine development” is a need that represents one of the greatest challenges. Marco Chiodi presents an innovative 3D-CFD-tool, exclusively dedicated and optimized for the simulation of internal combustion engines. Thanks to improved or newly developed 3D-CFD-models for the description of engine processes, this tool ensures an efficient and reliable calculation also by using coarse 3D-CFD-meshes. Based on this approach the CPU-time can be reduced up to a factor 100 in comparison to traditional 3D-CFD-simulations. In addition an integrated and automatic “evaluation tool” establishes a comprehensive analysis of the relevant engine parameters. Due to the capability of a reliable “virtual development” of full-engines, this fast response 3D-CFD-tool makes a major contribution to the engine development process. Südwestmetall-Förderpreis 2010

Potential of Water Injection for Gasoline Engines by Means of a 3D-CFD Virtual Test Bench

Potential of Water Injection for Gasoline Engines by Means of a 3D-CFD Virtual Test Bench
Author: Antonino Vacca
Publisher: Springer Nature
Total Pages: 202
Release: 2020-12-15
Genre: Technology & Engineering
ISBN: 3658327553
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Water injection is one of the most promising technologies to improve the engine combustion efficiency, by mitigating knock occurrences and controlling exhaust gas temperature before turbine. As result, the engine can operate at stoichiometric conditions over the whole engine map, even during the more power-demanding RDE cycles. Antonino Vacca presents a methodology to study and optimize the effect of water injection for gasoline engines by investigating different engine layouts and injection strategies through the set-up of a 3D-CFD virtual test bench. He investigates indirect and direct water injection strategies to increase the engine knock limit and to reduce exhaust gas temperature for several operating points.

Modeling of Real Fuels and Knock Occurrence for an Effective 3D-CFD Virtual Engine Development

Modeling of Real Fuels and Knock Occurrence for an Effective 3D-CFD Virtual Engine Development
Author: Francesco Cupo
Publisher: Springer Nature
Total Pages: 119
Release: 2020-09-14
Genre: Technology & Engineering
ISBN: 3658316284
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To drastically reduce the emission of greenhouse gases, the development of future internal combustion engines will be strictly linked to the development of CO2 neutral fuels (e.g. biofuels and e-fuels). This evolution implies an increase in development complexity, which needs the support of engine 3D-CFD simulations. Francesco Cupo presents approaches to accurately describe fuel characteristics and knock occurrence in SI engines, thus improving the current simulation capability in investigating alternative fuels and innovative combustion processes. The developed models are successfully used to investigate the influence of ethanol-based fuels and water injection strategies on knock occurrence and to conduct a virtual fuel design for and engine operating with the innovative SACI combustion strategy.

Turbocharger Integration into Multidimensional Engine Simulations to Enable Transient Load Cases

Turbocharger Integration into Multidimensional Engine Simulations to Enable Transient Load Cases
Author: Andreas Kächele
Publisher: Springer Nature
Total Pages: 123
Release: 2019-11-29
Genre: Technology & Engineering
ISBN: 3658287861
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Despite the increasing interest in multidimensional combustion engine simulation from researchers and industry, the field of application has been restricted to stationary operating points for turbocharged engines. Andreas Kächele presents a 3D-CFD approach to extend the simulation into the transient regime, enabling the detailed analysis of phenomena during changes in engine operating point. The approach is validated by means of a virtual hot gas test bench and experiments on a two-cylinder engine.

Investigation of Innovative Water Injection Strategies for Gasoline Engines by Means of a 3D-CFD Virtual Engine Test Bench

Investigation of Innovative Water Injection Strategies for Gasoline Engines by Means of a 3D-CFD Virtual Engine Test Bench
Author: Edoardo Rossi
Publisher: Springer Nature
Total Pages: 185
Release: 2024
Genre: Automobiles
ISBN: 3658449411
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This book focuses on the investigation of innovative engine technologies that can improve the efficiency of internal combustion engines and reduce their environmental impact. In particular, water injection is examined as a means of improving engine behavior. The possible combination of water injection with renewable fuels is also a topic of the book. The results of this experimental and numerical research show positive results that can be used for further research and development of engines. Content 3D-CFD Simulation Environment: the Virtual Engine Test Bench Experimental Spray Analysis and 3D-CFD Injection Model Calibration Applicability of Water Injection in Combination with an eFuel Water-in-Fuel Emulsions at the Virtual Engine Test Bench Target Groups Students and researchers in the field of automotive engineering, esp. engine technology Engineers in the automotive industry About the Author Edoardo Rossi is a project manager in the virtual engine development department at the FKFS, where he did his PhD. He works on innovative solutions for future powertrain technologies for motor vehicles. .

Engine Modeling and Simulation

Engine Modeling and Simulation
Author: Avinash Kumar Agarwal
Publisher: Springer Nature
Total Pages: 368
Release: 2021-12-16
Genre: Technology & Engineering
ISBN: 9811686181
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This book focuses on the simulation and modeling of internal combustion engines. The contents include various aspects of diesel and gasoline engine modeling and simulation such as spray, combustion, ignition, in-cylinder phenomena, emissions, exhaust heat recovery. It also explored engine models and analysis of cylinder bore piston stresses and temperature effects. This book includes recent literature and focuses on current modeling and simulation trends for internal combustion engines. Readers will gain knowledge about engine process simulation and modeling, helpful for the development of efficient and emission-free engines. A few chapters highlight the review of state-of-the-art models for spray, combustion, and emissions, focusing on the theory, models, and their applications from an engine point of view. This volume would be of interest to professionals, post-graduate students involved in alternative fuels, IC engines, engine modeling and simulation, and environmental research.

1D and Multi-D Modeling Techniques for IC Engine Simulation

1D and Multi-D Modeling Techniques for IC Engine Simulation
Author: Angelo Onorati
Publisher: SAE International
Total Pages: 552
Release: 2020-04-06
Genre: Technology & Engineering
ISBN: 0768099528
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1D and Multi-D Modeling Techniques for IC Engine Simulation provides a description of the most significant and recent achievements in the field of 1D engine simulation models and coupled 1D-3D modeling techniques, including 0D combustion models, quasi-3D methods and some 3D model applications.

Design of Racing and High-Performance Engines 2004-2013

Design of Racing and High-Performance Engines 2004-2013
Author: Douglas Fehan
Publisher: SAE International
Total Pages: 148
Release: 2013-02-12
Genre: Technology & Engineering
ISBN: 0768079837
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This compendium is an update to two best-selling editions published by SAE International in 1995 and 2003. Editor Doug Fehan has assembled a collection of technical papers from the SAE archive that will inspire readers to use race engine development as an important tool in the future of transportation. He focuses on several topics that are important to future race engine design: electrification, materials and processes, and improved technology. Today’s electric hybrid vehicles and kinetic energy recovery systems embody what inventors envisioned in the early 1900s. First employed in trams and trains of that era, the technology was almost forgotten until racers resurrected their version in 2009 F-1 racing. The automotive industry has long admired the aircraft industry’s use of lightweight metals, advanced finishing processes, and composites. The use of these materials and processes has helped reduce overall mass and, in turn, improved speed, performance, and reliability of race engines. Their initial high cost was a limiting factor for integrating them into mass-produced vehicles. With racing leading the way, those limitations were overcome and vehicles today feature some amazing adaptations of those processes and materials. Engine power, efficiency, durability, reliability, and, more recently, emissions have always been of primary importance to the automotive world. The expanding use of electrification, biofuels, CNG, high-pressure fuel delivery systems, combustion air management, turbocharging, supercharging, and low-viscosity lubricants have been the focus of race engine development and are now turning up in dealer showrooms. The papers in this publication were selected for two reasons: they demonstrate the leadership that racing plays in the future of automotive engineering and design as it relates to engines; and they will be interesting to everyone who may be in racing and to those who may want to be in racing.

Modeling Engine Spray and Combustion Processes

Modeling Engine Spray and Combustion Processes
Author: Gunnar Stiesch
Publisher: Springer Science & Business Media
Total Pages: 293
Release: 2013-06-29
Genre: Computers
ISBN: 3662087901
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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.