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Correlation Between Mixture Nonuniformity Around Spark Plug Gap Early Flame Development And Cycle By Cycle Variation
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Book Synopsis Correlation Between Mixture Nonuniformity Around Spark Plug Gap, Early Flame Development and Cycle-by-cycle Variation by : Kyŏng-hwan Yi
Download or read book Correlation Between Mixture Nonuniformity Around Spark Plug Gap, Early Flame Development and Cycle-by-cycle Variation written by Kyŏng-hwan Yi and published by . This book was released on 1994 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of Racing and High-Performance Engines 1998-2003 by : Daniel J Holt
Download or read book Design of Racing and High-Performance Engines 1998-2003 written by Daniel J Holt and published by SAE International. This book was released on 2003-08-05 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 53 technical papers in this book show the improvements and design techniques that researchers have applied to performance and racing engines. They provide an insight into what the engineers consider to be the top improvements needed to advance engine technology; and cover subjects such as: 1) Direct injection; 2) Valve spring advancements; 3) Turbocharging; 4) Variable valve control; 5) Combustion evaluation; and 5) New racing engines.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1994 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of the Velocity Near the Spark Plug on Early Flame Development by : Bengt Johansson
Download or read book Influence of the Velocity Near the Spark Plug on Early Flame Development written by Bengt Johansson and published by . This book was released on 1993 with total page 16 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 FLUID MOTION: EFFECT ON CYCLE-TO-CYCLE COMBUSTION VARIATION, FLAME DEVELOPMENT, AND SPARK DELIVERY IN SPARK-IGNITION ENGINES. by : PHILIP SHAFER KELLER
Download or read book FLUID MOTION: EFFECT ON CYCLE-TO-CYCLE COMBUSTION VARIATION, FLAME DEVELOPMENT, AND SPARK DELIVERY IN SPARK-IGNITION ENGINES. written by PHILIP SHAFER KELLER and published by . This book was released on 1991 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: in the determination of the cycle-resolved mean velocity, the greater the correlation.
Book Synopsis STUDY OF SPARK DISCHARGE AND CYCLE-TO-CYCLE COMBUSTION VARIATIONS USING OPTICAL DIAGNOSTICS by :
Download or read book STUDY OF SPARK DISCHARGE AND CYCLE-TO-CYCLE COMBUSTION VARIATIONS USING OPTICAL DIAGNOSTICS written by and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Combustion plays a dominant role in power generation and transportation. In spark ignition (SI) engines, the combustion process is originated from an electrical discharge within the spark plug electrodes. One important physical parameter affecting the spark discharge process and subsequent flame kernel propagation is the in-cylinder crossflow motion. Increasing the crossflow velocity generates turbulence in the combustion chamber. This is attributed to the spark channel being elongated at higher crossflow velocities. A longer spark channel length contains a higher discharge voltage which can induce a new re-spark across the spark plug electrodes. Furthermore, a longer spark channel expands the spatial spark discharge volume, affecting the initial formation and propagation of the flame kernel. Understanding the flame evolution physics in the cylinder and the corresponding cyclic variability in the combustion process under turbulent flows are of utmost importance to increasing efficiency of advanced engine technologies. In particular, knowledge of the cycle-to-cycle variations in combustion could potentially improve engine efficiency and performance including fuel economy, driveability, and emissions. Therefore, the main goal of this research is to understand the effects of high-speed crossflows on the initiation and development of the spark discharge and cyclic flame kernel propagation using optical diagnostics. Ignition tests are conducted in an optically accessible constant-volume spray and combustion vessel under various high-speed crossflows, pressures, and spark plug orientations to quantify the spark discharge process including the spark discharge channel, discharge duration, and glow discharge energy. Results show that increasing high-speed crossflows shortens the discharge duration while the glow discharge energy increases. A correlation between the spark channel length and electrical measurements is provided. Furthermore, cyclic variability is studied in an optical SI engine with retarded ignition timing under stoichiometric conditions. A spark sweep and various in-cylinder tumble motions are performed to develop a fundamental understanding of the cyclic variability at different operating conditions. Here, optical diagnostics, in-cylinder pressure measurements, and ion signal waveforms are analyzed to quantify the cycle-to-cycle variations of candidate combustion metrics including indicated mean effective pressure (IMEP) and mass fraction burned (MFB). Results provide a set of correlations among in-cylinder pressure measurements, ion signal data, and flame front data obtained from high-speed combustion images. It is also found that the cyclic variability is amplified with retarding the spark timing.
Book Synopsis Internal Combustion Engine Fundamentals 2E by : John Heywood
Download or read book Internal Combustion Engine Fundamentals 2E written by John Heywood and published by McGraw Hill Professional. This book was released on 2018-05-01 with total page 1055 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. The long-awaited revision of the most respected resource on Internal Combustion Engines --covering the basics through advanced operation of spark-ignition and diesel engines. Written by one of the most recognized and highly regarded names in internal combustion engines this trusted educational resource and professional reference covers the key physical and chemical processes that govern internal combustion engine operation and design. Internal Combustion Engine Fundamentals, Second Edition, has been thoroughly revised to cover recent advances, including performance enhancement, efficiency improvements, and emission reduction technologies. Highly illustrated and cross referenced, the book includes discussions of these engines’ environmental impacts and requirements. You will get complete explanations of spark-ignition and compression-ignition (diesel) engine operating characteristics as well as of engine flow and combustion phenomena and fuel requirements. Coverage includes: • Engine types and their operation • Engine design and operating parameters • Thermochemistry of fuel-air mixtures • Properties of working fluids • Ideal models of engine cycles • Gas exchange processes • Mixture preparation in spark-ignition engines • Charge motion within the cylinder • Combustion in spark-ignition engines • Combustion in compression-ignition engines • Pollutant formation and control • Engine heat transfer • Engine friction and lubrication • Modeling real engine flow and combustion processes • Engine operating characteristics
Book Synopsis Residual Gas Mixing in Engines by : Andrew G. Bright
Download or read book Residual Gas Mixing in Engines written by Andrew G. Bright and published by . This book was released on 2004 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impact of Injector Deposits and Spark Plug Gap on Engine Performance and Emissions by : Tawfik Badawy
Download or read book Impact of Injector Deposits and Spark Plug Gap on Engine Performance and Emissions written by Tawfik Badawy and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research has focused on obtaining a comprehensive understanding of gasoline direct injector coking effects on fuel injection, engine performance and emissions. The impact of spark plug electrode gap on flame kernel development, engine performance, and emissions was also investigated. In this study, the deposit build-up inside the injector nozzles and on the injector tips reduced the plume cone angle, while it increased the plume penetration length, plume separation angles, mean droplet velocity and size for the coked injector. The coked injectors showed a higher degree of inhomogeneity and poorer repeatability in mixture preparation. The combustion analysis demonstrated that the coked injectors showed lower load and lower combustion stability, compared with the clean injector under the same operating conditions. The increase of the spark plug gap resulted in an increase for the flame kernel growth area. The maximum in-cylinder pressure, turbulent flame speed, heat release rate and the mass fraction burned increased with the spark plug gap. The engine output increased slightly and the combustion process became more stable due to the reduction in cyclic variations as the spark plug gap increased. With the maximum spark plug gap, the engine produced minimum hydrocarbon emissions and particulate number concentration.
Book Synopsis Effect of Turbulence on Flame Initiation and Combustion Cyclic Variation in Spark Ignition Engines by : Mazen Hammoud
Download or read book Effect of Turbulence on Flame Initiation and Combustion Cyclic Variation in Spark Ignition Engines written by Mazen Hammoud and published by . This book was released on 1996 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis S.A.E. Transactions by : Society of Automotive Engineers
Download or read book S.A.E. Transactions written by Society of Automotive Engineers and published by . This book was released on 1981 with total page 1176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning in 1985, one section is devoted to a special topic
Book Synopsis Spark Ignition Effects on Two-stroke Cyclic Variability by : Stephen A. Ciatti
Download or read book Spark Ignition Effects on Two-stroke Cyclic Variability written by Stephen A. Ciatti and published by . This book was released on 1997 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mixture Nonuniformity and Combustion Variability in Spark Ignition Engines by : Mark Louis Sztenderowicz
Download or read book Mixture Nonuniformity and Combustion Variability in Spark Ignition Engines written by Mark Louis Sztenderowicz and published by . This book was released on 1989 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cycle to Cycle Variations in S.I. Engines by : Bengt Johansson
Download or read book Cycle to Cycle Variations in S.I. Engines written by Bengt Johansson and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Spark Plug Air Gap on Flame Development Using Schlieren Technique and Image Processing by : Paul Hii Shu-Yi
Download or read book The Effect of Spark Plug Air Gap on Flame Development Using Schlieren Technique and Image Processing written by Paul Hii Shu-Yi and published by . This book was released on 2015 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Fuel Effects on Early Flame Development in a Spark Ignition Engine by : Peter Christopher Hinze
Download or read book A Study of Fuel Effects on Early Flame Development in a Spark Ignition Engine written by Peter Christopher Hinze and published by . This book was released on 1993 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
