Modeling and Control of EGR on Marine Two-Stroke Diesel Engines

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Publisher : Linköping University Electronic Press
ISBN 13 : 9176853683
Total Pages : 48 pages
Book Rating : 4.1/5 (768 download)

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Book Synopsis Modeling and Control of EGR on Marine Two-Stroke Diesel Engines by : Xavier Llamas

Download or read book Modeling and Control of EGR on Marine Two-Stroke Diesel Engines written by Xavier Llamas and published by Linköping University Electronic Press. This book was released on 2018-02-20 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Annual Index/abstracts of SAE Technical Papers 2004

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Publisher :
ISBN 13 : 9780768015577
Total Pages : 962 pages
Book Rating : 4.0/5 (155 download)

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Download or read book Annual Index/abstracts of SAE Technical Papers 2004 written by and published by . This book was released on 2005 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Index/abstracts of SAE Technical Papers

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Publisher :
ISBN 13 :
Total Pages : 912 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Annual Index/abstracts of SAE Technical Papers by :

Download or read book Annual Index/abstracts of SAE Technical Papers written by and published by . This book was released on 2001 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied mechanics reviews

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Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 694 pages
Book Rating : 4.X/5 (4 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advanced Combustion Technologies for Low Carbon Emissions

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Publisher : Frontiers Media SA
ISBN 13 : 2832503454
Total Pages : 119 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Advanced Combustion Technologies for Low Carbon Emissions by : Jun Li

Download or read book Advanced Combustion Technologies for Low Carbon Emissions written by Jun Li and published by Frontiers Media SA. This book was released on 2023-07-10 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Two-Stroke Cycle Engine

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Publisher : Routledge
ISBN 13 : 1351406450
Total Pages : 425 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Two-Stroke Cycle Engine by : JohnB. Heywood

Download or read book Two-Stroke Cycle Engine written by JohnB. Heywood and published by Routledge. This book was released on 2017-11-01 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Technical Literature Abstracts

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Publisher :
ISBN 13 :
Total Pages : 664 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Technical Literature Abstracts by : Society of Automotive Engineers

Download or read book Technical Literature Abstracts written by Society of Automotive Engineers and published by . This book was released on 1998 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Internal Flow

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Publisher : Cambridge University Press
ISBN 13 : 1139451111
Total Pages : 739 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Internal Flow by : E. M. Greitzer

Download or read book Internal Flow written by E. M. Greitzer and published by Cambridge University Press. This book was released on 2007-02-26 with total page 739 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the analysis and behaviour of internal flows encountered in propulsion systems, fluid machinery (compressors, turbines and pumps) and ducts (diffusers, nozzles and combustion chambers). The focus is on phenomena that are important in setting the performance of a broad range of fluid devices. The authors show that even for complex processes one can learn a great deal about the behaviour of such devices from a clear understanding and rigorous use of basic principles. Throughout the book they illustrate theoretical principles by reference to technological applications. The strong emphasis on fundamentals, however, means that the ideas presented can be applied beyond internal flow to other types of fluid motion. The book equips students and practising engineers with a range of new analytical tools. These tools offer enhanced interpretation and application of both experimental measurements and the computational procedures that characterize modern fluids engineering.

Japanese Technical Abstracts

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Publisher :
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Japanese Technical Abstracts by :

Download or read book Japanese Technical Abstracts written by and published by . This book was released on 1988 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Japanese Technical Periodical Index

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Publisher :
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Japanese Technical Periodical Index by :

Download or read book Japanese Technical Periodical Index written by and published by . This book was released on 1987 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Diesel Engines

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Publisher : Springer Science & Business Media
ISBN 13 : 3540890831
Total Pages : 632 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Handbook of Diesel Engines by : Klaus Mollenhauer

Download or read book Handbook of Diesel Engines written by Klaus Mollenhauer and published by Springer Science & Business Media. This book was released on 2010-06-22 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Charging the Internal Combustion Engine

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Publisher : Springer Science & Business Media
ISBN 13 : 3211471138
Total Pages : 283 pages
Book Rating : 4.2/5 (114 download)

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Book Synopsis Charging the Internal Combustion Engine by : Hermann Hiereth

Download or read book Charging the Internal Combustion Engine written by Hermann Hiereth and published by Springer Science & Business Media. This book was released on 2007-11-04 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers all aspects of supercharging internal combustion engines. It details charging systems and components, the theoretical basic relations between engines and charging systems, as well as layout and evaluation criteria for best interaction. Coverage also describes recent experiences in design and development of supercharging systems, improved graphical presentations, and most advanced calculation and simulation tools.

Design and Development of Heavy Duty Diesel Engines

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Publisher : Springer Nature
ISBN 13 : 9811509700
Total Pages : 912 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Design and Development of Heavy Duty Diesel Engines by : P. A. Lakshminarayanan

Download or read book Design and Development of Heavy Duty Diesel Engines written by P. A. Lakshminarayanan and published by Springer Nature. This book was released on 2019-11-05 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended to serve as a comprehensive reference on the design and development of diesel engines. It talks about combustion and gas exchange processes with important references to emissions and fuel consumption and descriptions of the design of various parts of an engine, its coolants and lubricants, and emission control and optimization techniques. Some of the topics covered are turbocharging and supercharging, noise and vibrational control, emission and combustion control, and the future of heavy duty diesel engines. This volume will be of interest to researchers and professionals working in this area.

Combustion Engines Development

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Publisher : Springer Science & Business Media
ISBN 13 : 3642140947
Total Pages : 660 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Combustion Engines Development by : Günter P. Merker

Download or read book Combustion Engines Development written by Günter P. Merker and published by Springer Science & Business Media. This book was released on 2011-09-24 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion Engines Development nowadays is based on simulation, not only of the transient reaction of vehicles or of the complete driveshaft, but also of the highly unsteady processes in the carburation process and the combustion chamber of an engine. Different physical and chemical approaches are described to show the potentials and limits of the models used for simulation.

The Basic Design of Two-stroke Engines

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Publisher :
ISBN 13 : 9781560910084
Total Pages : 672 pages
Book Rating : 4.9/5 (1 download)

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Book Synopsis The Basic Design of Two-stroke Engines by : Gordon P. Blair

Download or read book The Basic Design of Two-stroke Engines written by Gordon P. Blair and published by . This book was released on 1990 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Internal Combustion Engines and Powertrain Systems for Future Transport 2019

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Publisher : CRC Press
ISBN 13 : 1000038262
Total Pages : 336 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Internal Combustion Engines and Powertrain Systems for Future Transport 2019 by : IMECHE

Download or read book Internal Combustion Engines and Powertrain Systems for Future Transport 2019 written by IMECHE and published by CRC Press. This book was released on 2020-03-09 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the changing landscape of the transport sector, there are also alternative powertrain systems on offer that can run independently of or in conjunction with the internal combustion (IC) engine. This shift has actually helped the industry gain traction with the IC Engine market projected to grow at 4.67% CAGR during the forecast period 2019-2025. It continues to meet both requirements and challenges through continual technology advancement and innovation from the latest research. With this in mind, the contributions in Internal Combustion Engines and Powertrain Systems for Future Transport 2019 not only cover the particular issues for the IC engine market but also reflect the impact of alternative powertrains on the propulsion industry. The main topics include: • Engines for hybrid powertrains and electrification • IC engines • Fuel cells • E-machines • Air-path and other technologies achieving performance and fuel economy benefits • Advances and improvements in combustion and ignition systems • Emissions regulation and their control by engine and after-treatment • Developments in real-world driving cycles • Advanced boosting systems • Connected powertrains (AI) • Electrification opportunities • Energy conversion and recovery systems • Modified or novel engine cycles • IC engines for heavy duty and off highway Internal Combustion Engines and Powertrain Systems for Future Transport 2019 provides a forum for IC engine, fuels and powertrain experts, and looks closely at developments in powertrain technology required to meet the demands of the low carbon economy and global competition in all sectors of the transportation, off-highway and stationary power industries.