New Developments In Two Stroke Engines And Their Emissions
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New Developments In Two Stroke Engines And Their Emissions
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Author :
language : en
Publisher:
Release Date : 1990
New Developments In Two Stroke Engines And Their Emissions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Technology & Engineering categories.
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.
Emissions From Two Stroke Engines
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Author : Marco Nuti
language : en
Publisher: SAE International
Release Date : 1998-10-01
Emissions From Two Stroke Engines written by Marco Nuti and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-10-01 with Technology & Engineering categories.
"In the design of new CI engines, it is of paramount importance to reduce the pollutants and fuel consumption," writes author Marco Nuti. In this, the first book devoted entirely to exhaust emissions from two-stroke engines, Nuti examines the technical design issues that will determine how long the two-stroke engine survives into the twenty-first century. Dr. Nuti, director of Technical Innovation at Piaggio, thoroughly explores pollutant formation and control from unburned hydrocarbon emissions, carbon monoxide emissions, catalytic aftertreatment, and secondary air addition.
Design And Simulation Of Two Stroke Engines
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Author : Gordon Blair
language : en
Publisher: SAE International
Release Date : 1996-02-01
Design And Simulation Of Two Stroke Engines written by Gordon Blair and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-02-01 with Technology & Engineering categories.
Design and Simulation of Two-Stroke Engines is a unique hands-on information source. The author, having designed and developed many two-stroke engines, offers practical and empirical assistance to the engine designer on many topics ranging from porting layout, to combustion chamber profile, to tuned exhaust pipes. The information presented extends from the most fundamental theory to pragmatic design, development, and experimental testing issues. Chapters cover: Introduction to the Two-Stroke Engine Combustion in Two-Stroke Engines Computer Modeling of Engines Reduction of Fuel Consumption and Exhaust Emissions Reduction of Noise Emission from Two-Stroke Engines and more
Two Stroke Engine
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Author :
language : en
Publisher:
Release Date : 1994
Two Stroke Engine written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Technology & Engineering categories.
The Basic Design Of Two Stroke Engines
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Author : Gordon P Blair
language : en
Publisher: SAE International
Release Date : 1990-01-01
The Basic Design Of Two Stroke Engines written by Gordon P Blair and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-01-01 with Technology & Engineering categories.
This informative publication is a hands-on reference source for the design of two-stroke engines. The state-of-the-art is presented in such design areas as unsteady gas dynamics, scavenging, combustion, emissions and silencing. In addition, this comprehensive publication features a computer program appendix of 28 design programs, allowing the reader to recreate the applications described in the book. The Basic Design of Two-Stroke Engines offers practical assistance in improving both the mechanical and performance design of this intriguing engine. Organized into eight information-packed chapters, contents of this publication include: Introduction to the Two-Stroke Engine Gas Flow Through Two-Stroke Engines Scavenging the Two-Stroke Engine Combustion in Two-Stroke Engines Computer Modelling of Engines Empirical Assistance for the Designer Reduction of Fuel Consumption and Exhaust Emissions Reduction of Noise Emission from Two-Stroke Engines
Modeling And Control Of Egr On Marine Two Stroke Diesel Engines
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Author : Xavier Llamas
language : en
Publisher: Linköping University Electronic Press
Release Date : 2018-02-20
Modeling And Control Of Egr On Marine Two Stroke Diesel Engines written by Xavier Llamas and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-20 with categories.
The international marine shipping industry is responsible for the transport of around 90% of the total world trade. Low-speed two-stroke diesel engines usually propel the largest trading ships. This engine type choice is mainly motivated by its high fuel efficiency and the capacity to burn cheap low-quality fuels. To reduce the marine freight impact on the environment, the International Maritime Organization (IMO) has introduced stricter limits on the engine pollutant emissions. One of these new restrictions, named Tier III, sets the maximum NOx emissions permitted. New emission reduction technologies have to be developed to fulfill the Tier III limits on two-stroke engines since adjusting the engine combustion alone is not sufficient. There are several promising technologies to achieve the required NOx reductions, Exhaust Gas Recirculation (EGR) is one of them. For automotive applications, EGR is a mature technology, and many of the research findings can be used directly in marine applications. However, there are some differences in marine two-stroke engines, which require further development to apply and control EGR. The number of available engines for testing EGR controllers on ships and test beds is low due to the recent introduction of EGR. Hence, engine simulation models are a good alternative for developing controllers, and many different engine loading scenarios can be simulated without the high costs of running real engine tests. The primary focus of this thesis is the development and validation of models for two-stroke marine engines with EGR. The modeling follows a Mean Value Engine Model (MVEM) approach, which has a low computational complexity and permits faster than real-time simulations suitable for controller testing. A parameterization process that deals with the low measurement data availability, compared to the available data on automotive engines, is also investigated and described. As a result, the proposed model is parameterized to two different two-stroke engines showing a good agreement with the measurements in both stationary and dynamic conditions. Several engine components have been developed. One of these is a new analytic in-cylinder pressure model that captures the influence of the injection and exhaust valve timings without increasing the simulation time. A new compressor model that can extrapolate to low speeds and pressure ratios in a physically sound way is also described. This compressor model is a requirement to be able to simulate low engine loads. Moreover, a novel parameterization algorithm is shown to handle well the model nonlinearities and to obtain a good model agreement with a large number of tested compressor maps. Furthermore, the engine model is complemented with dynamic models for ship and propeller to be able to simulate transient sailing scenarios, where good EGR controller performance is crucial. The model is used to identify the low load area as the most challenging for the controller performance, due to the slower engine air path dynamics. Further low load simulations indicate that sensor bias can be problematic and lead to an undesired black smoke formation, while errors in the parameters of the controller flow estimators are not as critical. This result is valuable because for a newly built engine a proper sensor setup is more straightforward to verify than to get the right parameters for the flow estimators.
Internal Combustion Engines
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Author : Institution of Mechanical Engineers
language : en
Publisher: Woodhead Publishing
Release Date : 2014-10-10
Internal Combustion Engines written by Institution of Mechanical Engineers and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-10 with Technology & Engineering categories.
This book presents the papers from the Internal Combustion Engines: Performance, fuel economy and emissions held in London, UK. This popular international conference from the Institution of Mechanical Engineers provides a forum for IC engine experts looking closely at developments for personal transport applications, though many of the drivers of change apply to light and heavy duty, on and off highway, transport and other sectors. These are exciting times to be working in the IC engine field. With the move towards downsizing, advances in FIE and alternative fuels, new engine architectures and the introduction of Euro 6 in 2014, there are plenty of challenges. The aim remains to reduce both CO2 emissions and the dependence on oil-derivate fossil fuels whilst meeting the future, more stringent constraints on gaseous and particulate material emissions as set by EU, North American and Japanese regulations. How will technology developments enhance performance and shape the next generation of designs? The book introduces compression and internal combustion engines’ applications, followed by chapters on the challenges faced by alternative fuels and fuel delivery. The remaining chapters explore current improvements in combustion, pollution prevention strategies and data comparisons. Presents the latest requirements and challenges for personal transport applications Gives an insight into the technical advances and research going on in the IC Engines field Provides the latest developments in compression and spark ignition engines for light and heavy-duty applications, automotive and other markets
Advances In Two Stroke Cycle Engine Technology
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Author : Gordon P. Blair
language : en
Publisher: SAE International
Release Date : 1989-01-01
Advances In Two Stroke Cycle Engine Technology written by Gordon P. Blair and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-01-01 with Technology & Engineering categories.
Improvement Trends For Internal Combustion Engines
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Author : Bilge Albayrak Ceper
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-03-21
Improvement Trends For Internal Combustion Engines written by Bilge Albayrak Ceper and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-21 with Technology & Engineering categories.
Internal combustion engines have remained a challenge due to depending heavily on fossil fuels, which are already limited reserves, and a requirement for improvement in emission levels continuously. The number of advanced technologies such as hybrid systems and low-temperature combustion engines has been introduced, and a number of reports about the use of alternative fuels have been presented in recent years to overcome these challenges. The efforts have made the new concepts to be used in practical along with the new problems which are required advanced control systems. This book presents studies on internal combustion engines with alternative fuels and advanced combustion technologies to obtain efficiency and environment-friendly systems, measurement methodology of exhaust emissions and modelling of a hybrid engine system, and mechanical losses arising from ring-cylinder and ring-groove side contacts as well. The main theme here is to identify solutions for internal combustion engines in terms of fuel consumption, emissions, and performance.