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An Experimental Investigation Of A Spark Ignition Engine Using High Speed Spectral Infrared Digital Imaging
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Book Synopsis An Experimental Investigation of a Spark Ignition Engine Using High Speed Spectral Infrared Digital Imaging by : Thomas John McComiskey
Download or read book An Experimental Investigation of a Spark Ignition Engine Using High Speed Spectral Infrared Digital Imaging written by Thomas John McComiskey and published by . This book was released on 1993 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-speed Spectral Infrared Imaging of Spark Ignition Engine Combustion by : T. McComiskey
Download or read book High-speed Spectral Infrared Imaging of Spark Ignition Engine Combustion written by T. McComiskey and published by . This book was released on 1993 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of In-cylinder Combustion Processes by Using High Speed Multi-spectral Infrared Imaging and a Robust Statistical Analysis Method by :
Download or read book A Study of In-cylinder Combustion Processes by Using High Speed Multi-spectral Infrared Imaging and a Robust Statistical Analysis Method written by and published by . This book was released on 2008 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion processes in a spark-ignition engine were studied by using a high speed multi-spectral infrared camera system and a new robust statistical analysis method. Among the variables in the experiment are fuel and fuel additives. The images were obtained using Rutgers Super Imaging System, which consists of four spatial infrared cameras. The cameras are designed to be spatially aligned and their wavelengths are 3.8 mu m, 2.09 mu m, 3.48 mu m, 2.47 mu m. Each camera consists of a Pt-Si charge-coupled device with a pixel array of 64 x 64 and a depth of 12 bits. The engine used is a 1999 Ford Mustang 4.6L engine. This engine was modified to allow optical access by means of a bowditch method. The piston was redesigned for this study. Instead of graphite rings, metallic rings and oil lubricant were used to seal the combustion chamber. A statistical analysis tool (CASAT) was developed to analyze infrared images. This tool included multiple methods for statistically analyzing the fuels, most notably the novel method time derivative spatial averaging (TDSA). The ultimate goal of the research was to verify the capabilities of the TDSA method. This was achieved via a blind study, consisting of 10 unknown fuels; 2 base fuels and 8 fuels with additives. The results of the TDSA method predicted four fuels had various amounts of an octane improver, and the other four had a cetane improver. The actual results were octane improver and combustion enhancer. The effects of a cetane improver of gasoline and the effects of a combustion enhancer of gasoline are very similar.
Book Synopsis High-Speed Four-Color Infrared Digital Imaging for Studying In-Cylinder Processes in a DI Diesel Engine by :
Download or read book High-Speed Four-Color Infrared Digital Imaging for Studying In-Cylinder Processes in a DI Diesel Engine written by and published by . This book was released on 1995 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study was to investigate in-cylinder events of a direct injection-type diesel engine by using a new high-speed infrared (IR) digital imaging systems for obtaining information that was difficult to achieve by the conventional devices. For this, a new high-speed dual-spectra infrared digital imaging system was developed to simultaneously capture two geometrically identical (in respective spectral) sets of IR images having discrete digital information in a (64x64) matrix at rates as high as over 1,800 frames/sec each with exposure period as short as 20 micron sec. At the same time, a new advanced four-color W imaging system was constructed. The first two sets of spectral data were the radiation from water vapor emission bands to compute the distributions of temperature and specie in the gaseous mixture and the remaining two sets of data were to find the instantaneous temperature distribution over the cylinder surface. More than eight reviewed publications have been produced to report many new findings including: Distributions of Water Vapor and Temperature in a Flame; End Gas Images Prior to Onset of Knock; Effect of MTBE on Diesel Combustion; Impact of Oxygen Enrichment on In-cylinder Reactions; Spectral IR Images of Spray Plume; Residual Gas Distribution; Preflame Reactions in Diesel Combustion; Preflame Reactions in the End Gas of an SI Engine; Postflame Oxidation; and Liquid Fuel Layers during Combustion in an SI Engine. In addition, some computational analysis of diesel combustion was performed using KIVA-II program in order to compare results from the prediction and the measurements made using the new IR imaging diagnostic tool.
Book Synopsis High-Speed Four-Color Infrared Digital Imaging for Study In-Cylinder Processes in a DI Diesel Engine by :
Download or read book High-Speed Four-Color Infrared Digital Imaging for Study In-Cylinder Processes in a DI Diesel Engine written by and published by . This book was released on 1995 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study was to investigate in-cylinder events of a direct injection-type diesel engine by using a new high-speed infrared (IR) digital imaging systems for obtaining information that was difficult to achieve by the conventional devices. For this, a new high-speed-dual-spectra infrared digital imaging system was developed to simultaneously capture two geometrically identical (in respective spectral) sets of IR images having discrete digital information in a (64x64) matrix at rates as high as over 1,800 frames/sec each with exposure period as short as 20 usec. At the same time, a new advanced four-color IR imaging system was constructed. The first two sets of spectral data were the radiation from water vapor emission bands to compute the distributions of temperature and specie in the gaseous mixture and the remaining two sets of data were to find the instantaneous temperature distribution over the cylinder surface. More than eight reviewed publications have been produced to report many new findings including: Distributions of Water Vapor and Temperature in a Flame; End Gas Images Prior to Onset of Knock; Effect of MTBE on Diesel Combustion; Impact of Oxygen Enrichment on In-cylinder Reactions; Spectral IR Images of Spray Plume; Residual Gas Distribution; Preflame Reactions in Diesel Combustion; Preflame Reactions in the End Gas of an SI Engine; Postflame Oxidation; and Liquid Fuel Layers during Combustion in an SI Engine. In addition, some computational analysis of diesel combustion was performed using KIVA-II program in order to compare results from the prediction and the measurements made using the new IR imaging diagnostic tool.
Book Synopsis Simultaneous High-speed Spectral and Infrared Imaging of Engine Combustion by : Mārcis Jansons
Download or read book Simultaneous High-speed Spectral and Infrared Imaging of Engine Combustion written by Mārcis Jansons and published by . This book was released on 2005 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Bulk Flame Quenching in a Direct-injection Spark Ignition Engine by : Tyson E. Strand
Download or read book Experimental Investigation of Bulk Flame Quenching in a Direct-injection Spark Ignition Engine written by Tyson E. Strand and published by . This book was released on 2001 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation Into the Conditions of Combustion in High Speed Compression Ignition Engines by : A. C. West
Download or read book An Experimental Investigation Into the Conditions of Combustion in High Speed Compression Ignition Engines written by A. C. West and published by . This book was released on 1939 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Augmented Spark Ignition of a Lo2/Lch4 Reaction Control Engine at Altitude Conditions by : Nasa Technical Reports Server (Ntrs)
Download or read book Experimental Investigation of Augmented Spark Ignition of a Lo2/Lch4 Reaction Control Engine at Altitude Conditions written by Nasa Technical Reports Server (Ntrs) and published by BiblioGov. This book was released on 2013-07 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of nontoxic propellants in future exploration vehicles would enable safer, more cost-effective mission scenarios. One promising green alternative to existing hypergols is liquid methane (LCH4) with liquid oxygen (LO2). A 100 lbf LO2/LCH4 engine was developed under the NASA Propulsion and Cryogenic Advanced Development project and tested at the NASA Glenn Research Center Altitude Combustion Stand in a low pressure environment. High ignition energy is a perceived drawback of this propellant combination; so this ignition margin test program examined ignition performance versus delivered spark energy. Sensitivity of ignition to spark timing and repetition rate was also explored. Three different exciter units were used with the engine s augmented (torch) igniter. Captured waveforms indicated spark behavior in hot fire conditions was inconsistent compared to the well-behaved dry sparks. This suggests that rising pressure and flow rate increase spark impedance and may at some point compromise an exciter s ability to complete each spark. The reduced spark energies of such quenched deliveries resulted in more erratic ignitions, decreasing ignition probability. The timing of the sparks relative to the pressure/flow conditions also impacted the probability of ignition. Sparks occurring early in the flow could trigger ignition with energies as low as 1 to 6 mJ, though multiple, similarly timed sparks of 55 to 75 mJ were required for reliable ignition. Delayed spark application and reduced spark repetition rate both correlated with late and occasional failed ignitions. An optimum time interval for spark application and ignition therefore coincides with propellant introduction to the igniter.
Book Synopsis Laser Ignition of Internal Combustion Engines by : Martin Weinrotter
Download or read book Laser Ignition of Internal Combustion Engines written by Martin Weinrotter and published by GRIN Verlag. This book was released on 2011-04 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2006 in the subject Electrotechnology, grade: 1, mit Ausgezeichnung bestanden, Vienna University of Technology (Insitut für Photonik), language: English, abstract: In this PhD thesis different fundamental aspects and the practical usability of a laser ignition system as a new, innovative and alternative ignition approach for internal combustion engines were investigated in great detail mainly experimentally. Ignition experiments in combustion chambers under high pressures and elevated temperatures have been conducted. Different fuels were investigated. Also the minimum breakdown energy in dependence of the initial temperature and pressure with the help of an aspheric lens with a high numerical aperture was studied. High-speed Schlieren diagnostics have been conducted in the combustion chamber. The different stages like the ignition plasma within the first nanoseconds via the shock wave generation to the expanding flame kernel were investigated. With the help of multi-point ignition the combustion duration could be reduced significantly. The controlled start of auto-ignition of n-heptane-air mixtures by resonant absorption of Er, Cr: YSGG laser radiation at 2.78 μm by additionally introduced water has been proven in combustion chamber experiments as a completely new idea. Beside experiments in the combustion chambers and long term tests under atmospheric conditions, various tests in SI engines up to 200 h, have been made. Different sources of contamination of the window surface have been identified. First experiments with a longitudinally diode-pumped, fiber-coupled and passively Q-switched solid-state laser α-prototype system with maximum pulse energy of 1.5 mJ at about 1.5 ns pulse duration were performed which allowed to ignite the engine successfully over a test period of 100 h. In cooperation with Lund University in Sweden, experiments have been performed on another engine test bed running in HCCI mode revealing the las
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Statistical Measurements and Analysis of Spark-ignition Engine Response to Fuel Additives Via High-speed Infrared Imaging by : Jeffrey Ippolito
Download or read book Statistical Measurements and Analysis of Spark-ignition Engine Response to Fuel Additives Via High-speed Infrared Imaging written by Jeffrey Ippolito and published by . This book was released on 2005 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical and Experimental Investigation of Knock in Turbocharged Direct Injection Spark Ignition Engines by : Emmeram Meindl
Download or read book Numerical and Experimental Investigation of Knock in Turbocharged Direct Injection Spark Ignition Engines written by Emmeram Meindl and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Developments in Ultra-Clean Gasoline-Powered Vehicles by : Fuquan Zhao
Download or read book Advanced Developments in Ultra-Clean Gasoline-Powered Vehicles written by Fuquan Zhao and published by SAE International. This book was released on 2004-03-08 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last several years, significant efforts have been directed toward the development of ultra-clean, gasoline-powered vehicles in the automotive industry. With the coming of increasingly stringent emissions legislation, this development is more critical now than ever before. This has lead to an increase in the technical information available. Advanced Developments in Ultra-Clean Gasoline-Powered Vehicles provides the reader with technical information including a description of fundamental processes, insight on technical issues, key trends, and future R&D directions.
Book Synopsis Experimental Investigation of the Heat Release Rate in a Sinusoidal Spark Ignition Engine by : Aaron George
Download or read book Experimental Investigation of the Heat Release Rate in a Sinusoidal Spark Ignition Engine written by Aaron George and published by . This book was released on 1989 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical and Experimental Investigation of Multi-cylind Spark-ignition Engine with Air-injection and Catalytic Reactor by : H. N. Gupta
Download or read book Theoretical and Experimental Investigation of Multi-cylind Spark-ignition Engine with Air-injection and Catalytic Reactor written by H. N. Gupta and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Compression Ignition and Spark Ignition Engines by :
Download or read book Experimental Investigation of Compression Ignition and Spark Ignition Engines written by and published by . This book was released on 2003 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
