The Application of Laser Diagnostics to the Measurement of Concentration and Temperature in Practical Methane-air Flames

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ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.:/5 (33 download)

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Book Synopsis The Application of Laser Diagnostics to the Measurement of Concentration and Temperature in Practical Methane-air Flames by : Quang-Viet Nguyen

Download or read book The Application of Laser Diagnostics to the Measurement of Concentration and Temperature in Practical Methane-air Flames written by Quang-Viet Nguyen and published by . This book was released on 1995 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Laser Diagnostics for Combustion Temperature and Species

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Publisher : CRC Press
ISBN 13 : 1000124622
Total Pages : 630 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Laser Diagnostics for Combustion Temperature and Species by : Alan C. Eckbreth

Download or read book Laser Diagnostics for Combustion Temperature and Species written by Alan C. Eckbreth and published by CRC Press. This book was released on 2022-01-27 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the variety of potential laser diagnostic techniques and presents a considerable theoretical foundation elucidating physics relevant to the laser diagnostics. It explains the Raman-based approaches for major species and temperature measurements.

Springer Handbook of Experimental Fluid Mechanics

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Publisher : Springer Science & Business Media
ISBN 13 : 3540251413
Total Pages : 1570 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Springer Handbook of Experimental Fluid Mechanics by : Cameron Tropea

Download or read book Springer Handbook of Experimental Fluid Mechanics written by Cameron Tropea and published by Springer Science & Business Media. This book was released on 2007-10-09 with total page 1570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying DVD-ROM contains ... "all chapters of the Springer Handbook."--Page 3 of cover.

Optical Processes in Microparticles and Nanostructures

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Publisher : World Scientific
ISBN 13 : 9814295779
Total Pages : 486 pages
Book Rating : 4.8/5 (142 download)

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Book Synopsis Optical Processes in Microparticles and Nanostructures by : Ali Serpenguzel

Download or read book Optical Processes in Microparticles and Nanostructures written by Ali Serpenguzel and published by World Scientific. This book was released on 2011 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Festschrift is a tribute to the eminent scholar, Professor Richard Kounai Chang, on his retirement from Yale University on June 12, 2008. During his over four decades of scientific exploration, Professor Chang has made a lasting contribution to the development of linear and nonlinear optics and devices in confined geometries, of surface second-harmonic generation and surface-enhanced Raman scattering, and of novel methods for detecting airborne aerosol pathogens. This volume assembles a collection of articles contributed by former students, collaborators, and colleagues of Professor Chang all over the world. The topics span a diverse scope in applied optics frontiers, many of which are rooted in Professor Chang's pioneering research.

Applied Combustion Diagnostics

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Publisher : Taylor & Francis US
ISBN 13 : 9781560329381
Total Pages : 748 pages
Book Rating : 4.3/5 (293 download)

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Book Synopsis Applied Combustion Diagnostics by : KoHse-HoingHaus

Download or read book Applied Combustion Diagnostics written by KoHse-HoingHaus and published by Taylor & Francis US. This book was released on 2002-04-26 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: The editors have assembled a world-class group of contributors who address the questions the combustion diagnostic community faces. They are chemists who identify the species to be measured and the interfering substances that may be present; physicists, who push the limits of laser spectroscopy and laser devices and who conceive suitable measurement schemes; and engineers, who know combustion systems and processes. This book assists in providing guidance for the planning of combustion experiments, in judging research strategies and in conceiving new ideas for combustion research. It provides a snapshot of the available diagnostic methods and thier typical applications from the perspective of leading experts in the field.

Dissertation Abstracts International

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Publisher :
ISBN 13 :
Total Pages : 794 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 700 pages
Book Rating : 4.3/5 (91 download)

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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 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Mid-IR Laser-based Diagnostics for Hydrocarbon Fuel Vapor Sensing and Decomposition Species Measurements

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Mid-IR Laser-based Diagnostics for Hydrocarbon Fuel Vapor Sensing and Decomposition Species Measurements by : Sung Hyun Pyun

Download or read book Mid-IR Laser-based Diagnostics for Hydrocarbon Fuel Vapor Sensing and Decomposition Species Measurements written by Sung Hyun Pyun and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The development and optimization of energy conversion systems, such as internal combustion (IC) engines, gas turbines, and pulse detonation engines, relies on two important factors. The first is the accurate measurement of critical engineering variables at the beginning of the engine cycle. Specifically for IC engines, time-resolved incylinder fuel delivery and gas temperature information is needed as an important optimization parameter for advanced IC engine design and development. The second factor is the accurate predictive modeling of chemical reaction progress during hightemperature fuel decomposition. Energy conversion systems can be optimally controlled based on the understanding and modeling of the chemical processes that control their performance. The first goal of this dissertation is to describe the design and implementation of a mid-infrared absorption sensor for crank-angle-resolved in-cylinder measurements of gasoline concentration and gas temperature for spark-ignition internal-combustion (IC) engines. Mid-IR laser light was tuned to transitions in the strong absorption bands associated with C-H stretching vibration near 3.4 [micrometers], and time-resolved fuel concentration and gas temperature were determined simultaneously from the absorption at two different wavelengths. Validation experiments were conducted for a singlecomponent hydrocarbon fuel (2,2,4-trimethyl-pentane, commonly known as iso-octane) and a gasoline blend in a heated static cell (300≤T≤600 K) and behind planar shock waves (600≤T≤1100 K). A novel, mid-IR, scanned-wavelength laser absorption diagnostic was also developed for time-resolved, interference-free, absorption measurement of methane concentration. A differential absorption (peak minus valley) scheme was used that takes advantage of the structural differences of the absorption spectrum of methane and other hydrocarbons. A peak and valley wavelength pair was selected to maximize the differential cross-section (peak minus valley) of methane for maximum signal-to-noise ratio, and to minimize that of the interfering absorbers. Methane cross-sections at the peak and valley wavelengths were measured over a range of temperatures, 1000 to 2000 K, and pressures, 1.3 to 5.4 atm. Cross-sections of the interfering absorbers were assumed constant over the small wavelength interval between the methane peak and valley features. The differential absorption scheme efficiently rejected the absorption interference and successfully recovered the vapor-phase methane concentration. The second goal of this dissertation is to present and analyze fuel decomposition species concentration time-histories that were measured during the high temperature pyrolysis of several fuels including major gasoline n-alkane components as well as dimethyl ether (DME), a bio-fuel. CH4 and C2H4 concentration time-histories were measured behind reflected shock waves during the pyrolysis of two n-alkanes: n-butane and n-heptane. Experiments were conducted at temperatures of 1200-1600 K and at pressures near 1.5 atm, with fuel concentrations of 1% in Ar. CH4 was measured using the methane diagnostic described above. C2H4 was measured using a fixed-wavelength absorption scheme at 10.532 [micrometers] with a CO2 laser. The measured CH4 and C2H4 time-histories in n-butane pyrolysis were compared to simulations based on the comprehensive n-alkane mechanisms and the chemical model was improved based on the measurements. High-temperature dimethyl ether (DME) pyrolysis was studied behind reflected shock waves by measuring time-histories of CO, CH4 and C2H4 in mixtures of 0.5%, 1%, and 2% DME in argon respectively. Experiments were conducted at temperatures of 1300-1600K and pressures near 1.5 atm. A direct absorption strategy with a fixed wavelength (2193.359 cm-1) using a quantum cascade laser (QCL) was used to measure CO concentration time-histories. C2H4 was measured at 10.532 [micrometers] and 10.675 [micrometers] with a CO2 laser using a two species-two wavelength scheme to reject fuel absorption. The measured CH4, C2H4 and CO time-histories during DME pyrolysis were compared to simulations based on detailed chemical mechanisms, leading to improvements in these mechanisms. These measurement strategies can be used to quantify the needed fuel and temperature loading in IC engines, and the kinetics database obtained provides quantitative species time-histories that can be used to test, validate and refine the fuel decomposition sub-mechanism of gasoline surrogate mechanisms.

The Application of Laser Diagnostics, Light Emitting Diodes and Computer Modeling to the Characterization of Fuel-air Mixing in High Pressur Lean Premixed Combustion Systems

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ISBN 13 :
Total Pages : 588 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis The Application of Laser Diagnostics, Light Emitting Diodes and Computer Modeling to the Characterization of Fuel-air Mixing in High Pressur Lean Premixed Combustion Systems by : James Wesley Girard

Download or read book The Application of Laser Diagnostics, Light Emitting Diodes and Computer Modeling to the Characterization of Fuel-air Mixing in High Pressur Lean Premixed Combustion Systems written by James Wesley Girard and published by . This book was released on 2003 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Combustings Flow Diagnostics

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Publisher : Springer Science & Business Media
ISBN 13 : 9401125880
Total Pages : 566 pages
Book Rating : 4.4/5 (11 download)

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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.

Laser Diagnostics and Modeling of Combustion

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Publisher : Springer
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Laser Diagnostics and Modeling of Combustion by : Kazuo Iinuma

Download or read book Laser Diagnostics and Modeling of Combustion written by Kazuo Iinuma and published by Springer. This book was released on 1987 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Measurement of Mixture Fraction and Scalar Dissipation Rate in Turbulent Jet Flames

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Publisher :
ISBN 13 :
Total Pages : 746 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis The Measurement of Mixture Fraction and Scalar Dissipation Rate in Turbulent Jet Flames by : Jeffrey Alan Muss

Download or read book The Measurement of Mixture Fraction and Scalar Dissipation Rate in Turbulent Jet Flames written by Jeffrey Alan Muss and published by . This book was released on 1997 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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Publisher :
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Imaging Measurement Methods for Flow Analysis

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Publisher : Springer Science & Business Media
ISBN 13 : 3642011063
Total Pages : 335 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Imaging Measurement Methods for Flow Analysis by : Wolfgang Nitsche

Download or read book Imaging Measurement Methods for Flow Analysis written by Wolfgang Nitsche and published by Springer Science & Business Media. This book was released on 2009-04-08 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2003 the German Research Foundation established a new priority programme on the subject of “Imaging Measurement Methods for Flow Analysis” (SPP 1147). This research programme was based on the fact that experimental ?ow analysis, in addition to theory and numerics, has always played a predominant part both in ?ow research and in other areas of industrial practice. At the time, however, c- parisons with numerical tools (such as Computational Fluid Dynamics), which were increasingly used in research and practical applications, soon made it clear that there are relatively few experimental procedures which can keep up with state-of-the-art numerical methods in respect of their informative value, e.g. with regard to visu- spatial analysis or the dynamics of ?ow ?elds. The priority programme “Imaging Measurement Methods for Flow Analysis” was to help close this development gap. Hence the project was to focus on the investigation of ef?cient measurement me- ods to analyse complex spatial ?ow ?elds. Speci?c cooperations with computer sciences and especially measurement physics were to advance ?ow measurement techniques to a widely renowned key technology, exceeding the classical ?elds of ?uid mechanics by a long chalk.

Turbulent Combustion Modeling

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Publisher : Springer Science & Business Media
ISBN 13 : 9400704127
Total Pages : 496 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Turbulent Combustion Modeling by : Tarek Echekki

Download or read book Turbulent Combustion Modeling written by Tarek Echekki and published by Springer Science & Business Media. This book was released on 2010-12-25 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent combustion sits at the interface of two important nonlinear, multiscale phenomena: chemistry and turbulence. Its study is extremely timely in view of the need to develop new combustion technologies in order to address challenges associated with climate change, energy source uncertainty, and air pollution. Despite the fact that modeling of turbulent combustion is a subject that has been researched for a number of years, its complexity implies that key issues are still eluding, and a theoretical description that is accurate enough to make turbulent combustion models rigorous and quantitative for industrial use is still lacking. In this book, prominent experts review most of the available approaches in modeling turbulent combustion, with particular focus on the exploding increase in computational resources that has allowed the simulation of increasingly detailed phenomena. The relevant algorithms are presented, the theoretical methods are explained, and various application examples are given. The book is intended for a relatively broad audience, including seasoned researchers and graduate students in engineering, applied mathematics and computational science, engine designers and computational fluid dynamics (CFD) practitioners, scientists at funding agencies, and anyone wishing to understand the state-of-the-art and the future directions of this scientifically challenging and practically important field.

Applied mechanics reviews

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Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hcci and Cai Engines for the Automotive Industry

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Publisher : Elsevier
ISBN 13 : 184569354X
Total Pages : 557 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Hcci and Cai Engines for the Automotive Industry by : H Zhao

Download or read book Hcci and Cai Engines for the Automotive Industry written by H Zhao and published by Elsevier. This book was released on 2007-08-02 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogeneous charge compression ignition (HCCI)/controlled auto-ignition (CAI) has emerged as one of the most promising engine technologies with the potential to combine fuel efficiency and improved emissions performance, offering reduced nitrous oxides and particulate matter alongside efficiency comparable with modern diesel engines. Despite the considerable advantages, its operational range is rather limited and controlling the combustion (timing of ignition and rate of energy release) is still an area of on-going research. Commercial applications are, however, close to reality.HCCI and CAI engines for the automotive industry presents the state-of-the-art in research and development on an international basis, as a one-stop reference work. The background to the development of HCCI / CAI engine technology is described. Basic principles, the technologies and their potential applications, strengths and weaknesses, as well as likely future trends and sources of further information are reviewed in the areas of gasoline HCCI / CAI engines; diesel HCCI engines; HCCI / CAI engines with alternative fuels; and advanced modelling and experimental techniques. The book provides an invaluable source of information for scientific researchers, R&D engineers and managers in the automotive engineering industry worldwide. Presents the state-of-the-art in research and development on an international basis An invaluable source of information for scientific researchers, R&D engineers and managers in the automotive engineering industry worldwide Looks at one of the most promising engine technologies around