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Development And Application Of Rotational Coherent Anti Stokes Raman Spectroscopy And Laser Induced Fluorescence For Combustion Diagnostics
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Book Synopsis Development and Application of Rotational Coherent Anti-Stokes Raman Spectroscopy and Laser-induced Fluorescence for Combustion Diagnostics by : Christian Brackmann
Download or read book Development and Application of Rotational Coherent Anti-Stokes Raman Spectroscopy and Laser-induced Fluorescence for Combustion Diagnostics written by Christian Brackmann and published by . This book was released on 2004 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rotational Coherent Anti-Stokes Raman Spectroscopy by :
Download or read book Rotational Coherent Anti-Stokes Raman Spectroscopy written by and published by . This book was released on 2015 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Coherent Raman Spectroscopy: Applications And New Developments - Proceedings Of The Xi European Cars Workshop by : F Castellucci
Download or read book Coherent Raman Spectroscopy: Applications And New Developments - Proceedings Of The Xi European Cars Workshop written by F Castellucci and published by World Scientific. This book was released on 1993-02-09 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: The meeting was a forum on the 'state of the art' of the fundamental aspects and the applications of Coherent Antistokes Raman Scattering (CARS) and related nonlinear optic techniques.This volume contains the works of outstanding scientists from the most distinguished research centers of universities, public and private institutions in Europe and other countries, who work on the theory and application of nonlinear laser spectroscopic techniques to the study of gas combustion kinetics, noninterfering flame temperature measurements, high temperature reactors, plasmas and the exciton and vibrational dynamics in condensed phases.
Book Synopsis Laser-Induced Breakdown Spectroscopy by : Jagdish P. Singh
Download or read book Laser-Induced Breakdown Spectroscopy written by Jagdish P. Singh and published by Elsevier. This book was released on 2020-06-02 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-Induced Breakdown Spectroscopy, Second Edition, covers the basic principles and latest developments in instrumentation and applications of Laser Induced Breakdown Spectroscopy (LIBS). Written by active experts in the field, it serves as a useful resource for analytical chemists and spectroscopists, as well as graduate students and researchers engaged in the fields of combustion, environmental science, and planetary and space exploration. This fully revised second edition includes several new chapters on new LIBS techniques as well as several new applications, including flame and off-gas measurement, pharmaceutical samples, defense applications, carbon sequestration and site monitoring, handheld instruments, and more. LIBS has rapidly developed into a major analytical technology with the capability of detecting all chemical elements in a sample, of real- time response, and of close-contact or stand-off analysis of targets. It does not require any sample preparation, unlike conventional spectroscopic analytical techniques. Samples in the form of solids, liquids, gels, gases, plasmas, and biological materials (like teeth, leaves, or blood) can be studied with almost equal ease. This comprehensive reference introduces the topic to readers in a simple, direct, and accessible manner for easy comprehension and maximum utility. Covers even more applications of LIBS beyond the first edition, including combustion, soil physics, environment, and life sciences Includes new chapters on LIBS techniques that have emerged in the last several years, including Femtosecond LIBS and Molecular LIBS Provides inspiration for future developments in this rapidly growing field in the concluding chapter
Download or read book Energy Research Abstracts written by and published by . This book was released on 1987 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Industrial Applications of Laser Diagnostics by : Yoshihiro Deguchi
Download or read book Industrial Applications of Laser Diagnostics written by Yoshihiro Deguchi and published by Taylor & Francis. This book was released on 2016-04-19 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tighter regulations of harmful substances such as NOx, CO, heavy metals, particles, emissions from commercial plants and automobiles reflect a growing demand for lowering the anthropogenic burdens on the environment. It is equally important to monitor controlling factors to improve the operation of industrial machinery and plants. Among the many me
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.
Book Synopsis Flowfield Modeling and Diagnostics by : Ashwani K. Gupta
Download or read book Flowfield Modeling and Diagnostics written by Ashwani K. Gupta and published by Taylor & Francis. This book was released on 1985 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 2004. Routledge is an imprint of Taylor & Francis, an informa company.
Book Synopsis Laser Raman Gas Diagnostics by : Marshall Lapp
Download or read book Laser Raman Gas Diagnostics written by Marshall Lapp and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Laser Raman Workshop on the r"eas urement of Gas Properti es i sone of aseries of occasional meetings organized in an informal workshop format through the stimulation of Project SQUID, Office of Naval Research. This workshop is the second to be organized on gas-phase applications of Raman scattering. Both Raman workshops were supported by Project SQUID, ONR, and the Air Force Aero Propulsion Laboratory, Wright-Patterson Air Force Base. The first Raman Workshop was held at the AVCO Everett Research Laboratory, Everett, Massachusetts, with their co-sponsorship in January 1972 under the chairmanship of D. A. Leonard. The present meeting was co-sponsored by the General Electric Research and Development Center, and held at their facility in Schenectady, New York. We are grateful to Project SQUID, AFAPL, and GE for their generous financial support of this Workshop, and to Project SQUID for underwriting the publication costs of the Proceedings. As is always the case for successful meetings, many people contributed substantially to the organization and execution of this workshop. Professor Robert Goulard supported, aided, and encouraged us in the most helpful ways, and we are indebted to him. We received further valuable support and assistance from Dr. Ralph Roberts, Director, and Mr. James R. Patton, Jr., of the Power Branch, Office of Naval Research; from Dr. William H. Heiser, Chief Scientist of the Aero Propulsion Laboratory; and from Dr. James M.
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 1996-10-10 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on spectroscopically-based, spatially-precise, laser techniques for temperature and chemical composition measurements in reacting and non-reacting flows, this book makes these powerful and important new tools in combustion research
Book Synopsis Application of Coherent Anti-Stokes Raman Scattering to Combustion Media by : Larry P. Goss
Download or read book Application of Coherent Anti-Stokes Raman Scattering to Combustion Media written by Larry P. Goss and published by . This book was released on 1981 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: A laboratory-based system utilizing the Nd:YAG laser has been developed to investigate the Coherent Anti-Stokes Raman Scattering (CARS) of molecular gases in combustion. Single-shot and simultaneous experimental measurements of species concentration and temperature of combustion media are reported and compared with other optical techniques and theoretical predictions. The adverse effects of beam propagation through turbulence are investigated and discussed. A transportable hardened CARS system, constructed to operate in adverse environments, has been used to conduct a series of investigations in a practical combustion tunnel. Temperature and number-density measurements made as a function of fuel-air flow, position in the combustion tunnel, and fuel variation--including both gaseous and liquid fuels--are reported. (Author).
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 1990 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Direct Injection Combustion Engine Technologies and Development by : H Zhao
Download or read book Advanced Direct Injection Combustion Engine Technologies and Development written by H Zhao and published by Elsevier. This book was released on 2014-01-23 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct injection enables precise control of the fuel/air mixture so that engines can be tuned for improved power and fuel economy, but ongoing research challenges remain in improving the technology for commercial applications. As fuel prices escalate DI engines are expected to gain in popularity for automotive applications. This important book, in two volumes, reviews the science and technology of different types of DI combustion engines and their fuels. Volume 1 deals with direct injection gasoline and CNG engines, including history and essential principles, approaches to improved fuel economy, design, optimisation, optical techniques and their applications. Reviews key technologies for enhancing direct injection (DI) gasoline engines Examines approaches to improved fuel economy and lower emissions Discusses DI compressed natural gas (CNG) engines and biofuels
Book Synopsis Coherent Anti-stokes Raman Spectroscopy System for Point Temperature and Major Species Concentration Measurement by :
Download or read book Coherent Anti-stokes Raman Spectroscopy System for Point Temperature and Major Species Concentration Measurement written by and published by . This book was released on 1993 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Coherent anti-Stokes Raman Spectroscopy system (CARS) has been developed as a laser-based, advanced, combustion-diagnostic technique to measure temperature and major species concentration. Principles of operation, description of the system and its capabilities, and operational details of this instrument are presented in this report.
Book Synopsis Coherent Anti-Stokes Raman Spectroscopy of Gases by : Dennis Marc Guthals
Download or read book Coherent Anti-Stokes Raman Spectroscopy of Gases written by Dennis Marc Guthals and published by . This book was released on 1980 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development and applications of a 0.2 cm−1 resolution Nd-YAG laser powered coherent anti-Stokes Raman spectroscopy, CARS, spectrometer for gas phase studies is chronicled in this thesis. Applications including CARS lineshape analysis, resonant CARS, and CARS of transient species and excited state molecules is reported. The intensity of the signal generated at the CARS frequency, w3, is governed by the behavior of the square of the nonlinear third order electronic susceptibility, Ix(3)I2 which contains resonant, XRes' and nonresonant, XNR' terms. The various nonlinear optical three wave mixing, 3WM, processes which contribute to the intensity at w3 are discussed in terms of a semiclassical derivation of x(3)Res. From Maxwell's equations, a wave equation is obtained from expressing the induced nonlinear polarization, pNL, as a function of the applied electric fields. A damped harmonic oscillator model is assumed for the response of the electrons to the applied fields. Two similar expressions for x(3)Res result from introducing the nonlinearity into either the oscillator response (anharmonic term) or the driving force. x(3) is a function of various molecular parameters such as molecular number densities, Raman cross sections and Raman active vibration-rotation transition frequencies. A computer program is reported for calculating Ix(3)I2 for homonuclear diatomic molecules. The program features a convolution over an analytical line-shape function to account for probe laser linewidths. Results are presented for calculated and observed spectra of 02 gas at room temperature and in the free jet region of a supersonic molecular beam. Rotational cooling to 10K is indicated in the supersonic jet by CARS lineshape analysis. The design and performance of the CARS spectrometer is discussed in terms of the various components. The line-width of the primary w1 beam was reduced to about 0.03 cm−1 by employing two intracavity etalons and an electronic line narrowing device. Two dye laser designs and two optical pumping schemes are evaluated in terms of stability, linewidth, and ease of operation. The spectrometer resolution is limited by the dye laser linewidth of about 0.2-0.3 cm−1. Wavelength tuning ranges and optimal concentrations are reported for 16 commercially available laser dyes pumped with the third harmonic of the Nd-YAG laser at 355 nm. The laser dye outputs cover the visible range from 410 to 715 nm. High and low resolution broadband CARS spectra were obtained using an intensified optical multichannel analyzer as a detector. Resonant CARS spectra are reported for nitrogen dioxide gas for frequency shifts of 1200-3400 cm−1 from a 532 nm w1 pump source. The spectra change dramatically with slight changes in w1 frequency. Much vibrational-rotational structure is observed but the analysis is complicated by the contribution of more than one resonant process. Various possible resonances are considered and absorption spectra and intensity measurements are used to assess the importance of some of these. Intense 3WM spectra are reported for transient fragments produced by 266 nm laser photolysis of benzene, several substituted benzenes, and acetylene. Single pulse broadband 3WM spectra taken with an optical multichannel analyzer establish that the fragments are primary photoproducts obtained under collision-free conditions. The spectra consist of many features at anti-Stokes frequency shifts of 900-3100 cm−1 from a 532 nm w1 pump. Ninety degree fluorescence studies of the photolysis zone show that C2 is produced in various electronic states and energetic consideration require that dissociation of C6H6 must involve two or more photons at 266 nm. Three wave mixing spectra of C6D6 are identical to those of C6H6 in the anti-Stokes shift region near 3000 cm−1 and hence the transients do not contain CH bonds. Three wave mixing spectra of C2H2 fragments are also identical to those of benzene in the 3000 cm−1 region so that C2 is believed to be responsible for both 3WM and fluorescence spectra. The 3WM spectra cannot be interpreted in terms of simple CARS vibrational resonances of C2. Intensity considerations suggest that enhancement due to multiple resonance is likely, and various electronic-electronic and vibrationalelectronic 3WM processes are discussed. Calculations of possible resonances in the Swan system involving overtone Raman transitions indicate that many of the spectral features could arise from such processes.
Book Synopsis Theory, application and experimental design considerations of a coherent anti-stokes raman scattering (cars) system for combustion diagnostics by : D. J. Clouthier
Download or read book Theory, application and experimental design considerations of a coherent anti-stokes raman scattering (cars) system for combustion diagnostics written by D. J. Clouthier and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: