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Simulation Of The Scavenging Process In Two Stroke Engines
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Book Synopsis Simulation of the Scavenging Process in Two-Stroke Engines by : María Isabel Lamas
Download or read book Simulation of the Scavenging Process in Two-Stroke Engines written by María Isabel Lamas and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Simulation of the Scavenging Process in Two-Stroke Engines.
Book Synopsis Simulation of the Scavenging Process in Two-Stroke Engines by : María Isabel Lamas Galdo
Download or read book Simulation of the Scavenging Process in Two-Stroke Engines written by María Isabel Lamas Galdo and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Measured Versus Simulated Scavenging Flows in a Motored Two-stroke Engine by : Paul J. Schweiger
Download or read book A Study of Measured Versus Simulated Scavenging Flows in a Motored Two-stroke Engine written by Paul J. Schweiger and published by . This book was released on 1997 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling of a Two-stroke Engine Scavenging Cycle with KIVA-2x3 by : Douglas J. Lofgren
Download or read book Modeling of a Two-stroke Engine Scavenging Cycle with KIVA-2x3 written by Douglas J. Lofgren and published by . This book was released on 1995 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Simulation of Two-Stroke Engines by : Gordon Blair
Download or read book Design and Simulation of Two-Stroke Engines written by Gordon Blair and published by SAE International. This book was released on 1996-02-01 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Modeling the Scavenging Process in the Two-stroke Engine by : E. Sher
Download or read book Modeling the Scavenging Process in the Two-stroke Engine written by E. Sher and published by . This book was released on 1989 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Characterization of the Scavenging Efficiency in a Direct-injection Two-stroke Engine by : David Michael Bevan
Download or read book Characterization of the Scavenging Efficiency in a Direct-injection Two-stroke Engine written by David Michael Bevan and published by . This book was released on 2000 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Computer Simulation of the Scavenging Flow in a Two-stroke Engine by : Peter Epstein
Download or read book A Computer Simulation of the Scavenging Flow in a Two-stroke Engine written by Peter Epstein and published by . This book was released on 1990 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emissions from Two-stroke Engines by : Marco P. Nuti
Download or read book Emissions from Two-stroke Engines written by Marco P. Nuti and published by SAE International. This book was released on 1998 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: ""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.
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.
Book Synopsis The Simulation of a Two Cycle, Crankcase Scavenged, Spark Ignition Engine on a Digital Computer and Comparison of Results with Experimental Data by : Roger B. Krieger
Download or read book The Simulation of a Two Cycle, Crankcase Scavenged, Spark Ignition Engine on a Digital Computer and Comparison of Results with Experimental Data written by Roger B. Krieger and published by . This book was released on 1968 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Simulation of Fluid Flow and Heat/Mass Transfer Processes by : N.C. Markatos
Download or read book Numerical Simulation of Fluid Flow and Heat/Mass Transfer Processes written by N.C. Markatos and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational fluid flow is not an easy subject. Not only is the mathematical representation of physico-chemical hydrodynamics complex, but the accurate numerical solution of the resulting equations has challenged many numerate scientists and engineers over the past two decades. The modelling of physical phenomena and testing of new numerical schemes has been aided in the last 10 years or so by a number of basic fluid flow programs (MAC, TEACH, 2-E-FIX, GENMIX, etc). However, in 1981 a program (perhaps more precisely, a software product) called PHOENICS was released that was then (and still remains) arguably, the most powerful computational tool in the whole area of endeavour surrounding fluid dynamics. The aim of PHOENICS is to provide a framework for the modelling of complex processes involving fluid flow, heat transfer and chemical reactions. PHOENICS has now been is use for four years by a wide range of users across the world. It was thus perceived as useful to provide a forum for PHOENICS users to share their experiences in trying to address a wide range of problems. So it was that the First International PHOENICS Users Conference was conceived and planned for September 1985. The location, at the Dartford Campus of Thames Polytechnic, in the event, proved to be an ideal site, encouraging substantial interaction between the participants.
Book Synopsis Introductory Analysis of the Scavenging Process in Two-stroke Engines by : Pierre J. Brosens
Download or read book Introductory Analysis of the Scavenging Process in Two-stroke Engines written by Pierre J. Brosens and published by . This book was released on 1956 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Modelling the Scavenging Process in a Two-stroke Internal Combustion Engine by : Qi Xian Zhang
Download or read book Modelling the Scavenging Process in a Two-stroke Internal Combustion Engine written by Qi Xian Zhang and published by . This book was released on 1995 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 SAE International. This book was released on 1990-01-01 with total page 694 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. 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
