Investigation Of Innovative Water Injection Strategies For Gasoline Engines By Means Of A 3d Cfd Virtual Engine Test Bench
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Investigation Of Innovative Water Injection Strategies For Gasoline Engines By Means Of A 3d Cfd Virtual Engine Test Bench
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Author : Edoardo Rossi
language : en
Publisher: Springer Nature
Release Date : 2024-05-24
Investigation Of Innovative Water Injection Strategies For Gasoline Engines By Means Of A 3d Cfd Virtual Engine Test Bench written by Edoardo Rossi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-24 with Technology & Engineering categories.
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.
Potential Of Water Injection For Gasoline Engines By Means Of A 3d Cfd Virtual Test Bench
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Author : Antonino Vacca
language : en
Publisher: Springer Nature
Release Date : 2020-12-15
Potential Of Water Injection For Gasoline Engines By Means Of A 3d Cfd Virtual Test Bench written by Antonino Vacca and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-15 with Technology & Engineering categories.
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
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Author : Francesco Cupo
language : en
Publisher: Springer Nature
Release Date : 2020-09-14
Modeling Of Real Fuels And Knock Occurrence For An Effective 3d Cfd Virtual Engine Development written by Francesco Cupo and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-14 with Technology & Engineering categories.
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.
Knocking In Gasoline Engines
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Author : Michael Günther
language : en
Publisher: Springer
Release Date : 2017-11-21
Knocking In Gasoline Engines written by Michael Günther and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-21 with Technology & Engineering categories.
The book includes the papers presented at the conference discussing approaches to prevent or reliably control knocking and other irregular combustion events. The majority of today’s highly efficient gasoline engines utilize downsizing. High mean pressures produce increased knocking, which frequently results in a reduction in the compression ratio at high specific powers. Beyond this, the phenomenon of pre-ignition has been linked to the rise in specific power in gasoline engines for many years. Charge-diluted concepts with high compression cause extreme knocking, potentially leading to catastrophic failure. The introduction of RDE legislation this year will further grow the requirements for combustion process development, as residual gas scavenging and enrichment to improve the knock limit will be legally restricted despite no relaxation of the need to reach the main center of heat release as early as possible. New solutions in thermodynamics and control engineering are urgently needed to further increase the efficiency of gasoline engines.
Annual Index Abstracts Of Sae Technical Papers
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Author :
language : en
Publisher:
Release Date : 2007
Annual Index Abstracts Of Sae Technical Papers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Automobiles categories.
Mixture Formation In Internal Combustion Engines
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Author : Carsten Baumgarten
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-09-28
Mixture Formation In Internal Combustion Engines written by Carsten Baumgarten 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 2006-09-28 with Technology & Engineering categories.
A systematic control of mixture formation with modern high-pressure injection systems enables us to achieve considerable improvements of the combustion pr- ess in terms of reduced fuel consumption and engine-out raw emissions. However, because of the growing number of free parameters due to more flexible injection systems, variable valve trains, the application of different combustion concepts within different regions of the engine map, etc., the prediction of spray and m- ture formation becomes increasingly complex. For this reason, the optimization of the in-cylinder processes using 3D computational fluid dynamics (CFD) becomes increasingly important. In these CFD codes, the detailed modeling of spray and mixture formation is a prerequisite for the correct calculation of the subsequent processes like ignition, combustion and formation of emissions. Although such simulation tools can be viewed as standard tools today, the predictive quality of the sub-models is c- stantly enhanced by a more accurate and detailed modeling of the relevant pr- esses, and by the inclusion of new important mechanisms and effects that come along with the development of new injection systems and have not been cons- ered so far. In this book the most widely used mathematical models for the simulation of spray and mixture formation in 3D CFD calculations are described and discussed. In order to give the reader an introduction into the complex processes, the book starts with a description of the fundamental mechanisms and categories of fuel - jection, spray break-up, and mixture formation in internal combustion engines.
Fluid Dynamics And Transport Of Droplets And Sprays
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Author : W. A. Sirignano
language : en
Publisher: Cambridge University Press
Release Date : 2010-01-11
Fluid Dynamics And Transport Of Droplets And Sprays written by W. A. Sirignano and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-11 with Science categories.
This book discusses the theoretical foundations of spray and droplet applications relevant to the technology for active control of sprays applied to new products and applications, improved product performance, cost reductions, and improved environmental outcomes. It also covers theory related to power and propulsion; materials processing and manufacturing technologies including droplet-based net form processing, coating, and painting; medication; pesticides and insecticides; and other consumer uses.
Handbook Of Diesel Engines
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Author : Klaus Mollenhauer
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-06-22
Handbook Of Diesel Engines written by Klaus Mollenhauer 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 2010-06-22 with Technology & Engineering categories.
This machine is destined to completely revolutionize cylinder diesel engine up through large low speed t- engine engineering and replace everything that exists. stroke diesel engines. An appendix lists the most (From Rudolf Diesel’s letter of October 2, 1892 to the important standards and regulations for diesel engines. publisher Julius Springer. ) Further development of diesel engines as economiz- Although Diesel’s stated goal has never been fully ing, clean, powerful and convenient drives for road and achievable of course, the diesel engine indeed revolu- nonroad use has proceeded quite dynamically in the tionized drive systems. This handbook documents the last twenty years in particular. In light of limited oil current state of diesel engine engineering and technol- reserves and the discussion of predicted climate ogy. The impetus to publish a Handbook of Diesel change, development work continues to concentrate Engines grew out of ruminations on Rudolf Diesel’s on reducing fuel consumption and utilizing alternative transformation of his idea for a rational heat engine fuels while keeping exhaust as clean as possible as well into reality more than 100 years ago. Once the patent as further increasing diesel engine power density and was filed in 1892 and work on his engine commenced enhancing operating performance.
Analysis Of Injection Processes In An Innovative 3d Cfd Tool For The Simulation Of Internal Combustion Engines
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Author : Marlene Wentsch
language : en
Publisher: Springer
Release Date : 2018-05-16
Analysis Of Injection Processes In An Innovative 3d Cfd Tool For The Simulation Of Internal Combustion Engines written by Marlene Wentsch and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-16 with Technology & Engineering categories.
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
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Author : Marco Chiodi
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-03-07
An Innovative 3d Cfd Approach Towards Virtual Development Of Internal Combustion Engines written by Marco Chiodi 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 2011-03-07 with Technology & Engineering categories.
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