Potential Of Water Injection For Gasoline Engines By Means Of A 3d Cfd Virtual Test Bench

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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.

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:
Release Date : 2021

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 this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with 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. Contents Influence of Water Vapour on Flame Speed and Auto-Ignition Optimization of the Water Injector Targeting Mixture Formation Induced by Water Injection Water Injection in Combination with Miller Cycle Target Groups Researchers and students in the field of automotive engineering Automotive engineers About the Author Antonino Vacca obtained a PhD at the research Institute of Automotive Engineering (IFS), University of Stuttgart and he is currently project leader at FKFS (Stuttgart, Germany) responsible for the development of innovative combustion concepts for gasoline and gas engines.

Emission Reduction With An Alternative Diesel Combustion Process

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Author : Marvin Sascha Wahl
language : en
Publisher: Springer Nature
Release Date : 2023-06-27

Emission Reduction With An Alternative Diesel Combustion Process written by Marvin Sascha Wahl and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-27 with Technology & Engineering categories.

Marvin Sascha Wahl presents the possibilities for optimising diesel engine combustion. In the advanced process of partially premixed diesel combustion, nitrogen oxide and soot emissions can be minimised at the same time. A new feature is the possibility of applying this strategy up to 2000 revolutions and 10 bar indicated mean pressure. In this work, various effective parameters are also compared and correlated with each other. A final comparison with conventional diesel combustion shows the advantages and disadvantages and evaluates them.

A Simulative Approach To Predict Energy Consumption Of Future Powertrain Configurations For The Year 2040

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Author : Tobias Stoll
language : en
Publisher: Springer Nature
Release Date : 2023-06-27

A Simulative Approach To Predict Energy Consumption Of Future Powertrain Configurations For The Year 2040 written by Tobias Stoll and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-27 with Technology & Engineering categories.

This book deals with the simulative prediction of efficiency and CO2-emissions of future powertrain systems for the year 2040. For this purpose, a suitable simulation environment is first created. This is followed by a technology extrapolation of all relevant powertrain systems, for example: combustion engines, electric drives, fuel cells as well as all relevant additional components. These components are then used to build 57 vehicle variants for the simulation. Finally, extensive simulations of the vehicle variants are carried out, evaluated and compared. Comprehensive tables of results are available for all simulated vehicle variants. The evaluations are of interest to anyone concerned with energy consumption and CO2-emissions of future vehicles.

Spannungsfeld Fahrzeugantriebe Gedenkschrift F R Prof Dr Ing Roland Baar

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Author : Salomon, Alexander
language : de
Publisher: Universitätsverlag der TU Berlin
Release Date : 2020-02-11

Spannungsfeld Fahrzeugantriebe Gedenkschrift F R Prof Dr Ing Roland Baar written by Salomon, Alexander and has been published by Universitätsverlag der TU Berlin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-11 with Technology & Engineering categories.

Prof. Dr.-Ing. Roland Baar, Head of the department of Powertrain Technologies at Technische Universität Berlin, unfortunately deceased on 23 June 2018. Professor Roland Baar rendered an outstanding service to the science of powertrain technologies, especially in the field of turbocharging. His enthusiasm and determination were both a professional and a personal inspiration to everyone who worked with him. To continue Roland Baar’s work, his business and academic colleagues dedicate this collection of scientific papers to his memory. The articles in this memorial publication cover different aspects of powertrain technology research. This topic plays an important part in the current public debate on climate protection, air pollution control and sustainability. The first articles of this book deal with the market situation and the general framework for research and development of powertrains. This lays the foundation for more technical topics. The following articles are concerned with the growing trend of powertrain electrification. They discuss the numeric modeling of alternative drivetrains and the energetic assessment of different powertrain concepts, such as hybrid drives and fuel cells. One of the central topics in this book is the combustion engine, which encompasses both the diesel and the gasoline engine. For instance, the injection of water into gasoline engines is covered extensively as a method to raise the thermodynamic efficiency. Furthermore, there are articles on innovative injection concepts for diesel engines as well as on the use of alternative, regenerative fuels for combustion engines. Many of the articles address the subject of turbocharging of combustion engines, which was a major research topic of Roland Baar. In the present book, a special focus is on the analysis of energy flows and the possibilities of a better modeling of charging units in numerical simulations. The last part of the book contains articles on novel aftertreatments of exhaust gases to reduce pollutant emissions as well as on experimental methods in this field. Am 23. Juni 2018 verstarb Prof. Dr.-Ing. Roland Baar, Leiter des Fachgebiets Fahrzeugantriebe der Technischen Universität Berlin. Roland Baar hat sich insbesondere auf dem Gebiet der Aufladung von Verbrennungsmotoren verdient gemacht und brachte darüber hinaus die Forschung rund um den Fahrzeugantrieb voran. Mit seiner Energie und seiner Entschlossenheit war er für alle, die mit ihm arbeiteten, sowohl fachlich als auch persönlich stets eine Inspiration. Um seine Arbeit fortzuführen, haben seine beruflichen und akademischen Weggefährtinnen und -gefährten ihm sowie seinen Forschungsthemen deshalb diesen Band gewidmet. In dieser Gedenkschrift sind Beiträge versammelt, die sich dem Forschungsfeld Fahrzeugantriebe widmen. Dieses Themengebiet steht auf Grund der aktuellen Fragestellungen hinsichtlich Klimaschonung, Luftreinhaltung und Nachhaltigkeit im Fokus der gesellschaftlichen Debatte. Darstellungen der Marktsituation und der sich daraus ableitenden Randbedingungen für die Erforschung und Entwicklung künftiger Fahrzeugantriebe bilden die Grundlage für die folgenden technischen Themen. Der zunehmende Trend der Elektrifizierung des Antriebsstrangs wird in verschiedenen Beiträgen behandelt. Hier werden die numerische Modellierung alternativer Antriebe sowie die energetische Bewertung verschiedener Antriebskonzepte wie etwa elektro-hybride Antriebe sowie Brennstoffzellenanwendungen diskutiert. Ein Schwerpunkt des Buches ist die diesel- und die ottomotorische Verbrennung. So wird beispielsweise die Wassereinspritzung für Ottomotoren zur Steigerung des thermodynamischen Wirkungsgrades ausführlich behandelt. Ebenso finden innovative Einspritzkonzepte für Dieselmotoren sowie der Einsatz alternativer, regenerativer Kraftstoffe für Verbrennungsmotoren Beachtung. Ein wesentlicher Anteil der Beiträge ist der Aufladung von Verbrennungsmotoren gewidmet – ein Kernthema der Arbeit von Roland Baar. Insbesondere das Verständnis der Energieströme sowie eine Möglichkeit einer verbesserten Modellierung des Aufladeaggregats für die numerische Simulation werden beleuchtet. Weitere Beiträge decken zusätzlich den Bereich neuartiger Abgasnachbehandlungssysteme zur Reduzierung der Schadstoffemissionen sowie experimentelle Methoden zur deren Untersuchung ab.

Konzept Design Und Validierung Eines Einzylinder Methan Brennverfahrens Mit Konditionierter Aktiver Vorkammerz Ndkerze Unter Nutzung Additiver Fertigungsverfahren

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Author : Sebastian Bucherer
language : de
Publisher: Springer-Verlag
Release Date : 2025-04-28

Konzept Design Und Validierung Eines Einzylinder Methan Brennverfahrens Mit Konditionierter Aktiver Vorkammerz Ndkerze Unter Nutzung Additiver Fertigungsverfahren written by Sebastian Bucherer and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-04-28 with Technology & Engineering categories.

Fossiles Erdgas und zukünftig regenerativ hergestelltes Methan sind eine Brückentechnologie zur nachhaltigen Mobilität, dessen volles Potenzial nur durch eine thermodynamische und mechanische Motorentwicklung genutzt werden kann. Sebastian Bucherer beschreibt die Konzeption, Detailkonstruktion und Validierung eines Einzylinder-Methanmotors auf Basis eines modernen Benzinmotors. Der Entwicklungsschwerpunkt ist die Optimierung des Brennverfahren mit aktiv gespülter Vorkammerzündkerze für den überstöchiometrischen Motorbetrieb. Die Nutzung additiver Fertigungsverfahren entschärfen den Zielkonflikt aus Bauraumbedarf und verfügbarem Bauraum zur Integration von Vorkammerzündkerze und DI-Injektor. Die thermodynamische und thermomechanische Optimierung steigert den indizierten Wirkungsgrad des Methanmotors um bis zu 7 %-Punkte gegenüber dem Benzinmotor.

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.

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.