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Author : Raymond C. Capper
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (221 download)
Download or read book Cycle by Cycle Variability in a Spark Ignition Engine written by Raymond C. Capper and published by . This book was released on 1971 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. E. Milkins
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (367 download)
Download or read book Cycle by Cycle Variability in Emissions of a Spark Ignition Engine written by E. E. Milkins and published by . This book was released on 1974 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Laurence Goldsworthy
Publisher :
ISBN 13 :
Total Pages : 494 pages
Book Rating : 4.:/5 (223 download)
Download or read book Cycle by Cycle Combustion Variability in Spark Ignition Engine Emissions written by Laurence Goldsworthy and published by . This book was released on 1978 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alejandro Medina
Publisher : Springer Science & Business Media
ISBN 13 : 1447152891
Total Pages : 201 pages
Book Rating : 4.4/5 (471 download)
Download or read book Quasi-Dimensional Simulation of Spark Ignition Engines written by Alejandro Medina and published by Springer Science & Business Media. This book was released on 2013-08-20 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the simulations developed in research groups over the past years, Introduction to Quasi-dimensional Simulation of Spark Ignition Engines provides a compilation of the main ingredients necessary to build up a quasi-dimensional computer simulation scheme. Quasi-dimensional computer simulation of spark ignition engines is a powerful but affordable tool which obtains realistic estimations of a wide variety of variables for a simulated engine keeping insight the basic physical and chemical processes involved in the real evolution of an automotive engine. With low computational costs, it can optimize the design and operation of spark ignition engines as well as it allows to analyze cycle-to-cycle fluctuations. Including details about the structure of a complete simulation scheme, information about what kind of information can be obtained, and comparisons of the simulation results with experiments, Introduction to Quasi-dimensional Simulation of Spark Ignition Engines offers a thorough guide of this technique. Advanced undergraduates and postgraduates as well as researchers in government and industry in all areas related to applied physics and mechanical and automotive engineering can apply these tools to simulate cyclic variability, potentially leading to new design and control alternatives for lowering emissions and expanding the actual operation limits of spark ignition engines
Author :
Publisher :
ISBN 13 :
Total Pages : 253 pages
Book Rating : 4.:/5 (946 download)
Download or read book Cycle-By-Cycle Variation in Spark Ignition Internal Combustion Engines written by and published by . This book was released on 1999 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this work was to extend the engine cycle simulation used by the Oxford Internal Combustion Engine Group to enable it to perform cycle-by-cycle modelling. A literature review concluded that the most appropriate metric for quantifying the cyclic variation was the coefficient of variation of the indicated mean effective pressure, and that for zero dimensional computer simulations, the most sensible parameter to perturb for cycle-by-cycle modelling was the burn rate. Modelling attempts using burn rate information alone resulted in an under-prediction of the cyclic variability exhibited by the engine. The work then examined a two-zone polytropic process model in an attempt to improve burn rate estimation. The model proved unreliable for burn rate calculations. The Rassweiler and Withrow method was then modified to include both the compression and expansion indices throughout the combustion period. The technique proved viable, but was not used because the slow burn up of the significant crevice mass in the experimental engine made calculation of an accurate expansion index doubtful. A further cause of the under-prediction in cyclic variability was postulated to be incomplete combustion, which is not detected by the burn rate model. A completeness of combustion parameter was derived from information contained in the Rassweiler and Withrow analysis. This parameter was used along with burn rate variations to perturb the cycle simulation and resulted in good cycle-by-cycle agreement between the experimental data and the modelled data in terms of mean effective pressure, maximum pressure, and the phasing of maximum pressure. Cyclic measurements of NO showed that the technique did not predict the cyclic variability in NO formation, and this was attributed to the sensitivity of NO formation to parameters that were not allowed to vary on a cyclic basis within the model (such as residuals).
Author : Eric Edward Milkins
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (22 download)
Download or read book Cycle-by-cycle Combustion Variability in Spark Ignition Engines written by Eric Edward Milkins and published by . This book was released on 1975 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. K. Barton
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (364 download)
Download or read book Cycle-by-cycle Variations of a Spark Ignition Engine written by R. K. Barton and published by . This book was released on 1970 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Simon Peter Stevens
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (598 download)
Download or read book The Nature and Control of Cycle-by-cycle Combustion Variability in Spark Ignition Engines written by Simon Peter Stevens and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dr. Jeffrey K. Ball
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.:/5 (431 download)
Download or read book Cycle-by-cycle Variation in Spark Ignition Internal Combustion Engines written by Dr. Jeffrey K. Ball and published by . This book was released on 1998 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this work was to extend the engine cycle simulation used by the Oxford Internal Combustion Engine Group to enable it to perform cycle-by-cycle modelling. A literature review concluded that the most appropriate metric for quantifying the cyclic variation was the coefficient of variation of the indicated mean effective pressure, and that for zero dimensional computer simulations, the most sensible parameter to perturb for cycle-by-cycle modelling was the burn rate. Modelling attempts using burn rate information alone resulted in an under-prediction of the cyclic variability exhibited by the engine. The work then examined a two-zone polytropic process model in an attempt to improve burn rate estimation. The model proved unreliable for burn rate calculations. The Rassweiler and Withrow method was then modified to include both the compression and expansion indices throughout the combustion period. The technique proved viable, but was not used because the slow burn up of the significant crevice mass in the experimental engine made calculation of an accurate expansion index doubtful. A further cause of the under-prediction in cyclic variability was postulated to be incomplete combustion, which is not detected by the burn rate model. A completeness of combustion parameter was derived from information contained in the Rassweiler and Withrow analysis. This parameter was used along with burn rate variations to perturb the cycle simulation and resulted in good cycle-by-cycle agreement between the experimental data and the modelled data in terms of mean effective pressure, maximum pressure, and the phasing of maximum pressure. Cyclic measurements of NO showed that the technique did not predict the cyclic variability in NO formation, and this was attributed to the sensitivity of NO formation to parameters that were not allowed to vary on a cyclic basis within the model (such as residuals).
Author : PHILIP SHAFER KELLER
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.3/5 (91 download)
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.
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 : Jeffrey K. Ball
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (62 download)
Download or read book Cycle-by-cycle Variation in Spark Ignition Combustion Engines written by Jeffrey K. Ball and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Christopher Hinze
Publisher :
ISBN 13 :
Total Pages : 113 pages
Book Rating : 4.:/5 (385 download)
Download or read book Cycle-to-cycle Combustion Variations in a Spark-ignition Engine Operating at Idle written by Peter Christopher Hinze and published by . This book was released on 1997 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bengt Johansson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (17 download)
Download or read book On Cycle to Cycle Variations in Spark Ignition Engines written by Bengt Johansson and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stojan Petrovic
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (379 download)
Download or read book Cycle by Cycle Variations of Flame Propagation in a Spark Ignition Engine written by Stojan Petrovic and published by . This book was released on 1982 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anil Kapil
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (22 download)
Download or read book Cycle-to-cycle Variations in Spark-ignition Engines written by Anil Kapil and published by . This book was released on 1988 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John B. Heywood
Publisher : McGraw-Hill Education
ISBN 13 : 9780071004992
Total Pages : 930 pages
Book Rating : 4.0/5 (49 download)
Download or read book Internal Combustion Engine Fundamentals written by John B. Heywood and published by McGraw-Hill Education. This book was released on 1988 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text, by a leading authority in the field, presents a fundamental and factual development of the science and engineering underlying the design of combustion engines and turbines. An extensive illustration program supports the concepts and theories discussed.
