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Book An Experimental Investigation of Vibration in Spark Ignition Engines Due to Normal Combustion and Knock

Download or read book An Experimental Investigation of Vibration in Spark Ignition Engines Due to Normal Combustion and Knock written by William Robert Herb and published by . This book was released on 1991 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Knocking Combustion Observed in a Spark ignition Engine with Simultaneous Direct and Schlieren High speed Motion Pictures and Pressure Records

Download or read book Knocking Combustion Observed in a Spark ignition Engine with Simultaneous Direct and Schlieren High speed Motion Pictures and Pressure Records written by Gordon E. Osterstrom and published by . This book was released on 1948 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report support simultaneous direct and schlieren photographs at 40,000 frames a second and correlated pressure records taken of knocking combustion in a special spark-ignition engine to ascertain intensity of certain end-zone reactions previously seen by schlieren photography alone.

Book Relation Between Spark ignition Engine Knock Detonation Waves and Autoignition as Shown by High speed Photography

Download or read book Relation Between Spark ignition Engine Knock Detonation Waves and Autoignition as Shown by High speed Photography written by Cearcy D. Miller and published by . This book was released on 1946 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: A critical review of literature bearing on the autoignition and detonation-wave theories of spark-ignition engine knock and on the nature of gas vibrations associated with combustion and knock results in the conclusion that neither the autoignition theory nor the detonation-wave theory is an adequate explanation of spark-ignition engine knock. A knock theory is proposed, combining the autoignition and detonation-wave theories, introducing the idea that the detonation wave develops in autoignited or afterburning gases, and ascribing comparatively low-pitched heavy knocks to autoignition but high-pitched pinging knocks to detonation waves with the possibility of combinations of the two types of knock.

Book An Experimental Investigation of Various Methods to Eliminate Engine Knock in a Direct injected Spark ignited Two stroke Engine

Download or read book An Experimental Investigation of Various Methods to Eliminate Engine Knock in a Direct injected Spark ignited Two stroke Engine written by David M. Ryan and published by . This book was released on 1997 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Analysis of Spark ignition Engine Knock as Seen in Photographs Taken at 200 000 Frames a Second

Download or read book Analysis of Spark ignition Engine Knock as Seen in Photographs Taken at 200 000 Frames a Second written by Cearcy D. Miller and published by . This book was released on 1946 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: A motion-picture of the development of knock in a spark-ignition engine is presented, which consists of 20 photographs taken at intervals of 5 microseconds, or at a rate of 200,000 photographs a second, with an equivalent wide-open exposure time of 6.4 microseconds for each photograph. A motion picture of a complete combustion process, including the development of knock, taken at the rate of 40,000 photographs a second is also presented to assist the reader in orienting the photographs of the knock development taken at 200,000 frames per second are analyzed and the conclusion is made that the type of knock in the spark-ignition engine involving violent gas vibration originates as a self-propagating disturbance starting at a point in the burning or autoigniting gases and spreading out from that point through the incompletely burned gases at a rate as high as 6800 feet per second, or about twice the speed of sound in the burned gases. Apparent formation of free carbon particles in both the burning and the burned gas is observed within 10 microseconds after passage of the knock disturbance through the gases.

Book Experimental Investigation and Analysis of the Torsional Vibrations Induced in the Camshaft of a High performance Internal Combustion Engine Under Operating Conditions

Download or read book Experimental Investigation and Analysis of the Torsional Vibrations Induced in the Camshaft of a High performance Internal Combustion Engine Under Operating Conditions written by Andrew Ross Narcus and published by . This book was released on 1995 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Knocking Combustion Observed in a Spark ignition Engine with Simultaneous Direct and Schilieren High speed Motion Pictures and Pressure Recorders

Download or read book Knocking Combustion Observed in a Spark ignition Engine with Simultaneous Direct and Schilieren High speed Motion Pictures and Pressure Recorders written by Benjamin Pinkel and published by . This book was released on 1947 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book AN EXPERIMENTAL INVESTIGATION ON THE EFFECT OF DUAL COIL IGNITION DISCHARGES ON DILUTE COMBUSTION IN A SPARK IGNITION ENGINE

Download or read book AN EXPERIMENTAL INVESTIGATION ON THE EFFECT OF DUAL COIL IGNITION DISCHARGES ON DILUTE COMBUSTION IN A SPARK IGNITION ENGINE written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Dilute combustion is an effective way to increase part-load efficiencies in a Spark Ignition (SI) engine. However, dilute combustion leads to a slower combustion rate and longer burn durations, which results in higher heat transfer loss. To overcome this, some degree of charge flow enhancement exists in modern engines that improves combustion rate and shortens burn durations. This flow enhancement has an adverse effect on performance of the modern Transistorized Coil Ignition (TCI) system and hence presents a limitation on improving combustion rates. Additionally, dilute combustion has a detrimental effect on combustion stability, wherein a larger variation in engine cycle work is observed from cycle to cycle which degrades engine performance. Improving combustion stability under dilution poses a challenge for the modern single coil ignition system, which is where the motivation lies in this research. This research details the development and instrumentation of a Configurable Dual Coil Ignition (CDCI) system that is later tested on a single cylinder metal engine. The effectiveness of different ignition profiles developed with the CDCI system in extending the dilution limit while maintaining combustion performance and lower cycle-cycle variations, thereby improving fuel conversion efficiency, is investigated. Effects of dilution by excess air and internal (exhaust) residuals on the performance of these ignition profiles are investigated under different operating conditions. In-cylinder flow is enhanced by means of tumble planks installed in the intake port of the engine. The impact of enhanced in-cylinder flow on the capabilities of the developed ignition profiles is also investigated under different conditions. Moreover, effects of different spark plug gap sizes and orientations are also investigated. Although majority of the tests are done with Direct Injection (DI) gasoline, some tests are performed with Port Fuel Injection (PFI) methane to compare the effects of fuel delivery and charge preparation.

Book Master s Theses Directories

Download or read book Master s Theses Directories written by and published by . This book was released on 1991 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Spark Assisted Compression Ignition

Download or read book Spark Assisted Compression Ignition written by Vinod Kumar Natarajan and published by . This book was released on 2006 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the lower load, stratification by means of direct injection of 3 mg fuel at the time of spark ignition was required to advance phasing using SACI. At the higher load, robust SACI operation required less stratification (late injection of 1 mg). NOx emissions increased two- and four-fold in SACI relative to HCCI operation at the lower and higher load, respectively; this increase was shown to result primarily from the stratification.

Book Degree Recipients Masters Degrees Twin Cities

Download or read book Degree Recipients Masters Degrees Twin Cities written by University of Minnesota. Graduate School and published by . This book was released on 1990 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: