Modeling Of Real Fuels And Knock Occurrence For An Effective 3d Cfd Virtual Engine Development
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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.
International Conference On Ignition Systems For Gasoline Engines International Conference On Knocking In Gasoline Engines
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Author : Marc Sens
language : en
Publisher: expert verlag GmbH
Release Date : 2022-10-17
International Conference On Ignition Systems For Gasoline Engines International Conference On Knocking In Gasoline Engines written by Marc Sens and has been published by expert verlag GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-17 with Technology & Engineering categories.
For decades, scientists and engineers have been working to increase the efficiency of internal combustion engines. For spark-ignition engines, two technical questions in particular are always in focus: 1. How can the air/fuel mixture be optimally ignited under all possible conditions? 2. How can undesirable but recurrent early and self-ignitions in the air/fuel mixture be avoided? Against the background of the considerable efficiency increases currently being sought in the context of developments and the introduction of new fuels, such as hydrogen, methanol, ammonia and other hydrogen derivatives as well as biofuels, these questions are more in the focus than ever. In order to provide a perfect exchange platform for the community of combustion process and system developers from research and development, IAV has organized this combined conference, chaired by Marc Sens. The proceedings presented here represent the collection of all the topics presented at the event and are thus intended to serve as an inspiration and pool of ideas for all interested parties.
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.
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.
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.
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.
Two Stroke Cycle Engine
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Author : JohnB. Heywood
language : en
Publisher: Routledge
Release Date : 2017-11-01
Two Stroke Cycle Engine written by JohnB. Heywood and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-01 with Technology & Engineering categories.
This book addresses the two-stroke cycle internal combustion engine, used in compact, lightweight form in everything from motorcycles to chainsaws to outboard motors, and in large sizes for marine propulsion and power generation. It first provides an overview of the principles, characteristics, applications, and history of the two-stroke cycle engine, followed by descriptions and evaluations of various types of models that have been developed to predict aspects of two-stroke engine operation.
Natural Gas Engines
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Author : Kalyan Kumar Srinivasan
language : en
Publisher: Springer
Release Date : 2018-11-03
Natural Gas Engines written by Kalyan Kumar Srinivasan and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-03 with Technology & Engineering categories.
This book covers the various advanced reciprocating combustion engine technologies that utilize natural gas and alternative fuels for transportation and power generation applications. It is divided into three major sections consisting of both fundamental and applied technologies to identify (but not limited to) clean, high-efficiency opportunities with natural gas fueling that have been developed through experimental protocols, numerical and high-performance computational simulations, and zero-dimensional, multizone combustion simulations. Particular emphasis is placed on statutes to monitor fine particulate emissions from tailpipe of engines operating on natural gas and alternative fuels.
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.
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.