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The Research And Development Of In Situ Non Intrusive Optical And Temperature Diagnostics In An Internal Combustion Engine
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Book Synopsis The Research and Development of in Situ Non Intrusive Optical and Temperature Diagnostics in an Internal Combustion Engine by : Trevor Stewart Wilson
Download or read book The Research and Development of in Situ Non Intrusive Optical and Temperature Diagnostics in an Internal Combustion Engine written by Trevor Stewart Wilson and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Internal Combustion Engine Technologies for Performance Improvement and Emission Reduction by : Akhilendra Pratap Singh
Download or read book Novel Internal Combustion Engine Technologies for Performance Improvement and Emission Reduction written by Akhilendra Pratap Singh and published by Springer Nature. This book was released on 2021-06-14 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph covers different aspects of internal combustion engines including engine performance and emissions and presents various solutions to resolve these issues. The contents provide examples of utilization of methanol as a fuel for CI engines in different modes of transportation, such as railroad, personal vehicles or heavy duty road transportation. The volume provides information about the current methanol utilization and its potential, its effect on the engine in terms of efficiency, combustion, performance, pollutants formation and prediction. The contents are also based on review of technologies present, the status of different combustion and emission control technologies and their suitability for different types of IC engines. Few novel technologies for spark ignition (SI) engines have been also included in this book, which makes this book a complete solution for both kind of engines. This book will be useful for engine researchers, energy experts and students involved in fuels, IC engines, engine instrumentation and environmental research.
Book Synopsis Combustings Flow Diagnostics by : D.F.G. Durão
Download or read book Combustings Flow Diagnostics written by D.F.G. Durão and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book consists of papers prepared for and presented at a NATO sponsored Advanced Study Institute which was held in Montechoro, Portugal during the period 16-27 April, 1990. This Institute was attended by approximately ninety delegates from fifteen countries and followed from a related Institute held in Vimeiro, Portugal in 1987 (see the book entitled "Instrumentation for Combustion and Flow in Engines", edited by D. F. G. Dur~o, J. H. Whitelaw and P. O. Witzel. The purposes of the first Institute related closely to instrumentation for use in gas-turbine combustors and the cylinders of internal-combustion engines. These topics were also addressed in the second Institute, though in a manner which was wider ranging and chosen to demonstrate and explain the development and application of measurement methods to combusting flows in general. The papers contained in this boo~ were selected to provide the reader with a comprehensive and up-to-date view of the variety of experimental techniques available to measure in combusting flows. Included are discussions of their range and applicability, potential accuracy and ease of use. Thus, the first paper provides a brief overview and the second an indication of those aspects of combustion which should influence the choice of flow property to be measured and the technique to be used.
Book Synopsis Development and Application of Simultaneous 2D Flow Velocity and Gas Temperature Measurements Using Thermographic Phosphors Under Engine-relevant Conditions by : Valerio Frattina
Download or read book Development and Application of Simultaneous 2D Flow Velocity and Gas Temperature Measurements Using Thermographic Phosphors Under Engine-relevant Conditions written by Valerio Frattina and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A non-intrusive laser diagnostics technique has been developed for simultaneous measurements of velocity and gas temperature in optically accessible internal combustion en-gines. The technique, thermographic PIV (T-PIV) combines phosphor thermometry and particle image velocimetry (PIV) and offers the possibility of simultaneous measurement of gas temperature and velocity.Suitable phosphor materials were selected by testing three commercially available phosphors: BAM:Eu2+, ZnO and ZnO:Zn. The lumines-cence emission and the spectral response to var-ious parameters including temperature were measured yielding a temperature-dependent cal-ibration curve to be used for signal interpreta-tion in engine experiments. The ZnO:Zn phos-phor shows the highest sensitivity to tempera-ture allowing higher temperature precision. Therefore, ZnO:Zn phosphor was chosen as the suitable candidate for engine measurements.Measurements were performed in an internal combustion engine at a speed of 1200 rpm with a sampling rate of 10 Hz between 180 and 540°CA under motored conditions. The temper-ature and velocity fields were measured success-fully at various times throughout the compres-sion and the exhaust stroke. The obtained tem-perature fields are compared with simulated bulk-gas temperatures from a 0D model-based simulation showing a temperature deviation of around 1% (200°CA) to 14% (480°CA) from the model. The measurement accuracy was found to be 55 K (18%) at 300 K and 2 K (0.3%) at 614 K for the 200-cycles average.The potential of the diagnostics was tested also in in cylinder post-combustion gases. In this case, the diagnostics was failing probably due to the characteristics of the phosphor used, which does not seem to resist to high combustion tem-peratures degrading its luminescence properties. The potential of T-PIV in post-combustion gases remains under the conditions of finding more resistant phosphor particles.
Book Synopsis Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards by :
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2003 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theses on any subject submitted by the academic libraries in the UK and Ireland.
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 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reciprocating Engine Combustion Diagnostics by : Rakesh Kumar Maurya
Download or read book Reciprocating Engine Combustion Diagnostics written by Rakesh Kumar Maurya and published by Springer. This book was released on 2019-03-19 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with in-cylinder pressure measurement and its post-processing for combustion quality analysis of conventional and advanced reciprocating engines. It offers insight into knocking and combustion stability analysis techniques and algorithms in SI, CI, and LTC engines, and places special emphasis on the digital signal processing of in-cylinder pressure signal for online and offline applications. The text gives a detailed description on sensors for combustion measurement, data acquisition, and methods for estimation of performance and combustion parameters. The information provided in this book enhances readers’ basic knowledge of engine combustion diagnostics and serves as a comprehensive, ready reference for a broad audience including graduate students, course instructors, researchers, and practicing engineers in the automotive, oil and other industries concerned with internal combustion engines.
Book Synopsis Advanced Engine Diagnostics by : Avinash Kumar Agarwal
Download or read book Advanced Engine Diagnostics written by Avinash Kumar Agarwal and published by Springer. This book was released on 2018-11-07 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the discusses advanced fuels and combustion, emission control techniques, after-treatment systems, simulations and fault diagnostics, including discussions on different engine diagnostic techniques such as particle image velocimetry (PIV), phase Doppler interferometry (PDI), laser ignition. This volume bridges the gap between basic concepts and advanced research in internal combustion engine diagnostics, making it a useful reference for both students and researchers whose work focuses on achieving higher fuel efficiency and lowering emissions.
Book Synopsis Shock Tube Kinetics and Laser Absorption Diagnostics for Liquid- and Hybrid-propellant Rocket Combustion Analysis by : Fabio Andres Bendana
Download or read book Shock Tube Kinetics and Laser Absorption Diagnostics for Liquid- and Hybrid-propellant Rocket Combustion Analysis written by Fabio Andres Bendana and published by . This book was released on 2020 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: As efforts to access and explore space increase, emerging rocket technologies will undeniably continue to rely on chemical propulsion, as it remains the only feasible way of providing Earth-to-orbit access and has proven invaluable in extending in-space capabilities. Accordingly, advancements are needed to improve combustion performance and the understanding of underlying chemical and physical phenomena governing chemical propulsion systems, as they have a substantial impact on the mission capabilities of flight vehicles and spacecrafts. While modeling efforts have made significant progress in recent years, empirical studies remain a necessity in the development of advanced propulsion systems; however, limits of traditional instrumentation often preclude definitive interpretation of flow-field phenomena in experimental tests and are not suitable for in-situ measurements at the extreme temperatures and pressures present in rocket propulsion systems. As such, optical diagnostics have become an attractive tool in combustion science due to the non-intrusive nature of the measurement and flexibility in the measured properties (temperature, species concentration, pressure, velocity, number density, etc.) inferred via spectroscopic interaction. Therefore, to advance the next generation of chemical propulsion systems, advanced optical diagnostic tools need be developed for characterizing propulsion test facilities and developing/validating computational models for complex chemically reacting flow-fields. The work herein describes novel advancements in laser absorption spectroscopy for characterizing liquid- and hybrid-propellant rocket combustion systems with support of a new High-Enthalpy Shock Tube (HEST) facility at UCLA. Using the shock tube facility to emulate the high temperatures (T > 3000 K) and high pressures (P > 100 bar) present in liquid-propellant rocket combustors, a novel laser absorption spectroscopy sensor that exploits line-mixing effects in the infrared spectra was developed for temperature, carbon monoxide (CO), and carbon dioxide (CO2) measurements. This sensor was then demonstrated on a liquid-propellant rocket combustor at the Air Force Research Laboratory (AFRL) in Edwards Air Force Base with kerosene (RP-2)/oxygen and methane/oxygen propellant combinations. Successful thermochemistry measurements were obtained at pressures up to 105 bar-marking a significant improvement in the pressure capability of optical diagnostic tools. In addition to these liquid-propellant rocket combustor measurements, a unique approach was developed for investigating hybrid rocket propulsion flows. Using laser absorption tomography, spatially-resolved measurements of temperature, carbon monoxide (CO), carbon dioxide (CO2), and water (H2O) were obtained in the reaction layer of a hybrid-propellant rocket combustor with poly(methyl methacrylate) (PMMA)/oxygen and high-density polyethylene (HDPE)/oxygen propellant combinations and two injector geometries (single port and axial showerhead). These measurements highlight combustion physics and thermochemical energy conversion in the spatial domain and help identify mechanistic losses in combustion efficiency for different engine configurations. Lastly, in efforts to develop and refine combustion models for real fuels used in chemical propulsion systems, a novel time-resolved, laser absorption spectroscopy technique was developed for measuring the formation of isotopically-labeled carbon monoxide (12CO and 13CO) in shock tube oxidation experiments of isotopically- labeled fuel blends. The technique was demonstrated by examining competitive oxidation of methane (CH4) with differing C2 hydrocarbon functional groups (alkane, alkene, alkyne), namely acetylene (C2H2), ethylene (C2H4), and ethane (C2H6). By isotopically-labeling specific fuel components of the overall fuel mixture and simultaneously measuring both 12CO and 13CO, individual reaction pathways and rates are distinguishable, providing kinetic targets for reaction mechanisms used to model fuel blends present in chemical propulsion systems.
Book Synopsis Nonintrusive Fast Response Oxygen Monitoring System for High Temperature Flows by : Daniel B. Oh
Download or read book Nonintrusive Fast Response Oxygen Monitoring System for High Temperature Flows written by Daniel B. Oh and published by . This book was released on 1993 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermo- and Fluid Dynamic Processes in Diesel Engines 2 by : James H. Whitelaw
Download or read book Thermo- and Fluid Dynamic Processes in Diesel Engines 2 written by James H. Whitelaw and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second book edited with a selection of papers from the two-yearly THIESEL Conference on Thermo- and Fluid Dynamic Processes in Diesel Engines, organised by CMT-Mvtores Termicos of the Universidad Po/itecnica de Valencia, Spain. This volume includes versions of papers selected from those presented at the THIESEL 2002 Conference th held on lOth to 13 September 2002. We hope it will be the second volume of a long series reflecting the quality of the THIESEL Conference. This year, the papers are grouped in six main thematic areas: State of the Art and Prospective, Injection Systems and Spray Formation, Combustion and Emissions, Engine Modelling, Alternative Combustion Concepts and Experimental Techniques. The actual conference covered a wider scope of topics, including Air Management and Fuels for Diesel Engines and a couple of papers included reflect this variety. However, the selection of papers published here represents the most current preoccupations of Diesel engine designers, namely how to improve the combustion process using new injection strategies and alternative concepts such as the Homogeneous Charge Combustion Ignition.
Author :Leonard Matheus Hanssen Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :374 pages Book Rating :4.3/5 (91 download)
Book Synopsis Optical Diagnostics by : Leonard Matheus Hanssen
Download or read book Optical Diagnostics written by Leonard Matheus Hanssen and published by SPIE-International Society for Optical Engineering. This book was released on 2005 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Book Synopsis Fuel Injector Patternation Evaluation in Advanced Liquid-Fueled, High Pressure, Gas Turbine Combustors, Using Nonintrusive Optical Diagnostic Techniques by :
Download or read book Fuel Injector Patternation Evaluation in Advanced Liquid-Fueled, High Pressure, Gas Turbine Combustors, Using Nonintrusive Optical Diagnostic Techniques written by and published by . This book was released on 1998 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis British National Bibliography for Report Literature by :
Download or read book British National Bibliography for Report Literature written by and published by . This book was released on 1998 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 32nd Aerospace Sciences Meeting & Exhibit: 94-0220 - 94-0254 by :
Download or read book 32nd Aerospace Sciences Meeting & Exhibit: 94-0220 - 94-0254 written by and published by . This book was released on 1994 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1987 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Energy Update written by and published by . This book was released on 1982 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:
