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Author : Dante Peter Greco
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (262 download)
Download or read book A Performance Model for a Two-stroke Spark Ignition Engine written by Dante Peter Greco and published by . This book was released on 1991 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zabidi Mohamad
Publisher :
ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (953 download)
Download or read book Investigation of 1-dimensional Analysis for Two-stroke Spark Ignition (SI) Engine written by Zabidi Mohamad and published by . This book was released on 2008 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: The project is based on two-stroke engine. The two-stroke engine will be used as the testing engine that the performances can be determined. The objective of this project is to investigate and analysis the performance of two-stroke engine using a 1-Dimensional (engine gas dynamic) software. From this objective, the outcome of the project can be determined by using the 1-Dimensional software. The outcomes that need to be determined from this project are the performances of the engine. The 1-Dimensional software that was using in this project is GT-Power. GT-Power is using to model and simulate the two-stroke engine. First, the parameters of the two-stroke engine had been measured and then the modeling of the two-stroke engine had been built and simulated. After simulation process, the performances of the engines can be obtained right away. There are many information that can be taken from the GT-Power after simulating the engine but for analyzing, only several data had been chosen. Those data are pressure for scavenged port, in-cylinder and exhaust port, temperature for scavenged port, in-cylinder and exhaust port, brake power, brake torque, indicated mean effective pressure and brake specific fuel consumption. All of this information had been analyzed and the optimum engine speed had been determined at 1500 RPM to 2500 RPM because in this range, the brake torque and brake power is maximum while the brake specific fuel consumption also low.
Author :
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (683 download)
Download or read book Devices to Improve the Performance of a Conventional Two-stroke Spark Ignition Engine written by and published by . This book was released on 1995 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents research efforts made in three different phases with the objective of improving the fuel economy of and reducing exhaust emissions from conventional, carbureted, two-stroke spark ignition (SI) engines, which are widely employed in two-wheel transportation in India. A review concerning the existing two-stroke engine technology for this application is included. In the first phase, a new scavenging system was developed and tested to reduce the loss of fresh charge through the exhaust port. In die second phase, the following measures were carried out to improve the combustion process: (1) using an in-cylinder catalyst, such as copper, chromium, and nickel, in the form of coating; (2) providing moderate thermal insulation in the combustion chamber, either by depositing thin ceramic material or by metal inserts; (3) developing a high-energy ignition system; and (4) employing high-octane fuel, such as methanol, ethanol, eucalyptus oil, and orange oil, as a blending agent with gasoline. Based on the effectiveness of the above measures, an optimized design was developed in the final phase to achieve improved performance. Test results indicate that with an optimized two-stroke SI engine, the maximum percentage improvement in brake thermal efficiency is about 31%, together with a reduction of 3400 ppm in hydrocarbons (HC) and 3% by volume of carbon monoxide (CO) emissions over the normal engine (at 3 kW, 3000 rpm). Higher cylinder peak pressures (3-5 bar), lower ignition delay (2-4°CA)° and shorter combustion duration (4-10 °CA) are obtained. The knock-limited power output is also enhanced by 12.7% at a high compression ratio (CR) of 9:1. The proposed modifications in the optimized design are simple, low-cost and easy to adopt for both production and existing engines.
Author : Benjamin Long Sheaffrer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Performance of a Two-stroke Cycle Spark-ignition Engine with Gasoline Injection written by Benjamin Long Sheaffrer and published by . This book was released on 1955 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Swee Keong Ting
Publisher :
ISBN 13 :
Total Pages : 61 pages
Book Rating : 4.:/5 (953 download)
Download or read book Crankcase Analysis for Two-stroke Spark Ignition Engines written by Swee Keong Ting and published by . This book was released on 2008 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: Crankcase of two-stroke spark ignition engine is an important part since it compresses the air fuel mixture before going into cylinder. Parameter inside crankcase such as pressure largely affects the performance of this engine. In this project, the simulation of flow inside of two-stroke engine had been carried out. The objective of this project is to simulate the visualization of crankcase flow process. The advantages of using CFD in this research are low cost and easy to apply compared to the laser. Before the main concept had been applied, COSMOS application is the one of the software that introduces to the basic of flow pattern in this research. After complete the entire tutorial this software, will proceed with the CFD application. CFD application was started by modeling the crankcase in three-dimensional in SOLIDWORK. After that, GAMBIT was use to generate grids before export to FLUENT for flow analysis. Crankcase model was simulated in motoring condition, which means no combustion or firing. As a result, pressure and contours inside the crankcase flow was observed. And found that the simulation results are slightly different from calculation.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309216389
Total Pages : 373 pages
Book Rating : 4.3/5 (92 download)
Download or read book Assessment of Fuel Economy Technologies for Light-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2011-06-03 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles without compromising vehicle performance or safety. Assessment of Technologies for Improving Light Duty Vehicle Fuel Economy estimates the potential fuel savings and costs to consumers of available technology combinations for three types of engines: spark-ignition gasoline, compression-ignition diesel, and hybrid. According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29 percent at an additional cost of $2,200 to the consumer. Replacing spark-ignition engines with diesel engines and components would yield fuel savings of about 37 percent at an added cost of approximately $5,900 per vehicle, and replacing spark-ignition engines with hybrid engines and components would reduce fuel consumption by 43 percent at an increase of $6,000 per vehicle. The book focuses on fuel consumption-the amount of fuel consumed in a given driving distance-because energy savings are directly related to the amount of fuel used. In contrast, fuel economy measures how far a vehicle will travel with a gallon of fuel. Because fuel consumption data indicate money saved on fuel purchases and reductions in carbon dioxide emissions, the book finds that vehicle stickers should provide consumers with fuel consumption data in addition to fuel economy information.
Author : Vijay Vishwanath Sathe
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (891 download)
Download or read book Parametric Studies Using a Mathematical Model of a Two-stroke Cycle Spark Ignition Engine written by Vijay Vishwanath Sathe and published by . This book was released on 1969 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Massimo Clarke
Publisher : Giorgio Nada Editore Srl
ISBN 13 : 9788879117609
Total Pages : 0 pages
Book Rating : 4.1/5 (176 download)
Download or read book High Performance Two-Stroke Engines written by Massimo Clarke and published by Giorgio Nada Editore Srl. This book was released on 2020-07-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Performance Two-Stroke Engines analyses the technology of spark ignition two-stroke engines. The presentation is simple and comprehensive. The description of the operating cycle, the fluid dynamics, the lubrication and the cooling systems is followed by painstaking analysis of the mechanical organs, with the materials and the manufacturing processes employed to produce them. The book is completed by an overview of the history and evolution of these engines and by an examination of the principal types and the diverse fields in which they are employed. A section of the work is dedicated to an in-depth analysis of the ignition and combustion phases and the formation of the air-fuel mixture, with particular attention paid to the most recent injection systems.
Author : Gordon P Blair
Publisher : SAE International
ISBN 13 : 1560910089
Total Pages : 694 pages
Book Rating : 4.5/5 (69 download)
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
Author : Gordon P Blair
Publisher : SAE International
ISBN 13 : 0768023068
Total Pages : 694 pages
Book Rating : 4.7/5 (68 download)
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
Author : JohnB. Heywood
Publisher : Routledge
ISBN 13 : 1351406450
Total Pages : 425 pages
Book Rating : 4.3/5 (514 download)
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.
Author : Lino Guzzella
Publisher : Springer Science & Business Media
ISBN 13 : 3662080036
Total Pages : 303 pages
Book Rating : 4.6/5 (62 download)
Download or read book Introduction to Modeling and Control of Internal Combustion Engine Systems written by Lino Guzzella and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Internal combustion engines still have a potential for substantial improvements, particularly with regard to fuel efficiency and environmental compatibility. These goals can be achieved with help of control systems. Modeling and Control of Internal Combustion Engines (ICE) addresses these issues by offering an introduction to cost-effective model-based control system design for ICE. The primary emphasis is put on the ICE and its auxiliary devices. Mathematical models for these processes are developed in the text and selected feedforward and feedback control problems are discussed. The appendix contains a summary of the most important controller analysis and design methods, and a case study that analyzes a simplified idle-speed control problem. The book is written for students interested in the design of classical and novel ICE control systems.
Author : William Coderre
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Effects of Exhaust Pressure on the Performance of a Two-stroke Spark Ignition Engine written by William Coderre and published by . This book was released on 1954 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gordon Blair
Publisher : SAE International
ISBN 13 : 0768025168
Total Pages : 656 pages
Book Rating : 4.7/5 (68 download)
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
Author : Helmut Edward Fandrich
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.F/5 ( download)
Download or read book A Stratified Charge Two-stroke Spark Ignition Engine (Ram Straticharge, Vee-4, 108.6 In3 Disp.) Performance Characteristics written by Helmut Edward Fandrich and published by . This book was released on 1964 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The RAM vee-4, two-stroke stratified charge engine is a spark-ignition, blown, pressure lubricated, port valve engine with a cam actuated auxiliary air inlet poppet valve. It is designed to operate with lean air-fuel ratios, like a compression-ignition engine, but with a low compression ration and spark ignition. No carburetor is employed. Either timed or continuous manifold fuel injection upstream from the auxiliary valve may be used. The tests reported here are for continuous injection. Valve timing had the most pronounced effect on hydrocarbon emissions, followed by auxiliary-air pressure. Spark timing, oil temperature and jacket water temperature also influenced the emissions but to a lesser extent. These adjustments also affected the specific fuel consumption. Generally an adjustment which reduced the air-fuel ratio also reduced the hydrocarbons. The current data suggest that timed fuel injection in place of continuous injection may result in a further significant reduction of hydrocarbons in the exhaust. (Author).
Author : A. Bell
Publisher : Haynes Publishing
ISBN 13 : 9781859606193
Total Pages : 272 pages
Book Rating : 4.6/5 (61 download)
Download or read book Two-Stroke Performance Tuning written by A. Bell and published by Haynes Publishing. This book was released on 1999-11-28 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engine-tuning expert A. Graham Bell steers you through the various modifications that can be made to coax maximum useable power output and mechanical reliability from your two-stroke. Fully revised with the latest information on all areas of engine operation, from air and fuel, through carburation, ignition, cylinders, porting, reed and rotary valves, and exhaust systems to cooling and lubrication, dyno tuning and gearing.
Author : Jason Tyler Brubaker
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (93 download)
Download or read book Simplified Sizing and Performance Models for Four-stroke Spark-ignition Engines for Use in Electric Vehicle Range Extenders written by Jason Tyler Brubaker and published by . This book was released on 2014 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The energy storage limitations that currently hinder the marketability of fully-electric vehicles could be overcome with on-board range extenders that consume conventional fuels to generate additional electrical power when needed. This paper presents two simplified tools intended to streamline the initial design of range extender engines. The first is a simple physics-based model capable of accurately identifying the peak range extender output requirements for highway-capable electric vehicles. The use of this model is demonstrated for three common vehicle types. The second is a flexible array-based modeling approach capable of performing in-depth simulations of steady-state engine operation. This approach is used to construct a detailed spark-ignition engine model, and this model is used to evaluate the effect of general engine configuration attributes on operation in a range extender. Finally, the design decisions made during the development of existing range extenders are studied, and compared against the results from the engine model.
