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Multi Point Measurement Of Temperature And Species Concentrations In Opposed Jet Flames By Uv Raman Scattering
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Book Synopsis Multi-point Measurement of Temperature and Species Concentrations in Opposed Jet Flames by UV Raman Scattering by : T. M. Brown
Download or read book Multi-point Measurement of Temperature and Species Concentrations in Opposed Jet Flames by UV Raman Scattering written by T. M. Brown and published by . This book was released on 1994 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723190957 Total Pages :196 pages Book Rating :4.1/5 (99 download)
Book Synopsis Laser Raman Diagnostics in Subsonic and Supersonic Turbulent Jet Diffusion Flames by : National Aeronautics and Space Administration (NASA)
Download or read book Laser Raman Diagnostics in Subsonic and Supersonic Turbulent Jet Diffusion Flames written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-18 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultraviolet (UV) spontaneous vibrational Raman scattering combined with laser-induced predissociative fluorescence (LIPF) is developed for temperature and multi-species concentration measurements. Simultaneous measurements of temperature, major species (H2, O2, N2, H2O), and minor species (OH) concentrations are made with a 'single' narrow band KrF excimer laser in subsonic and supersonic lifted turbulent hydrogen-air diffusion flames. The UV Raman system is calibrated with a flat-flame diffusion burner operated at several known equivalence ratios from fuel-lean to fuel-rich. Temperature measurements made by the ratio of Stokes/anti-Stokes signal and by the ideal gas law are compared. The single shot measurement precision for concentration and temperature measurement is 5 to 10 pct. Calibration constants and bandwidth factors are determined from the flat burner measurements and used in a data reduction program to arrive at temperature and species concentration measurements. These simultaneous measurements of temperature and multi-species concentrations allow a better understanding of the complex turbulence-chemistry interactions and provide information for the input and validation of CFD models. Cheng, T. S. and Wehrmeyer, J. A. and Pitz, R. W. Unspecified Center DIFFUSION FLAMES; GAS JETS; LASER INDUCED FLUORESCENCE; RAMAN SPECTRA; SUBSONIC FLOW; SUPERSONIC JET FLOW; TURBULENT JETS; CONCENTRATION (COMPOSITION); EQUATIONS OF STATE; EXCIMER LASERS; IDEAL GAS; TEMPERATURE MEASUREMENT; TURBULENT DIFFUSION; VIBRATION...
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1996 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis UV Laser Spectroscopy Applied to In-cylinder Phenomena of Spark Ignition Engines by : Michael Knapp
Download or read book UV Laser Spectroscopy Applied to In-cylinder Phenomena of Spark Ignition Engines written by Michael Knapp and published by Cuvillier Verlag. This book was released on 1997 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 35th AIAA Thermophysics Conference by :
Download or read book 35th AIAA Thermophysics Conference written by and published by . This book was released on 2001 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Species Concentration and Temperature Measurements in Low-stretch Hydrogen-air Counterflow Diffusion Flames Using U-V Raman Scattering by : T. M. Brown
Download or read book Species Concentration and Temperature Measurements in Low-stretch Hydrogen-air Counterflow Diffusion Flames Using U-V Raman Scattering written by T. M. Brown and published by . This book was released on 1996 with total page 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:
Book Synopsis 34th Aerospace Sciences Meeting & Exhibit by :
Download or read book 34th Aerospace Sciences Meeting & Exhibit written by and published by . This book was released on 1996 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Raman Scattering Measurements of Differential Molecular Diffusion in Turbulent Nonpremixed Jet Flames of H[sub 2]/CO[sub 2] Fuel by :
Download or read book Laser Raman Scattering Measurements of Differential Molecular Diffusion in Turbulent Nonpremixed Jet Flames of H[sub 2]/CO[sub 2] Fuel written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper explores effects of differential diffusion in nonpremixed turbulent jet flames. Pulsed Raman scattering spectroscopy is used to measure temperature and species concentrations in chemically reacting jets of H[sub 2]/CO[sub 2] into air, over a range of jet Reynolds numbers from 1,000 to 30,000 based on cold jet fluid properties. Results show significant effects of differential diffusion at all jet Reynolds numbers considered. Differential diffusion between H[sub 2] and C0[sub 2] produces differences between the hydrogen element mixture fraction ([xi][sub H]) and the carbon element mixture fraction ([xi][sub c]). The greatest effects occur on the rich side of stoichiometric, where [xi][sub H] is observed to be smaller than [xi][sub C] at all Reynolds numbers. Differential diffusion between H[sub 2] and H[sub 2]O creates a net flux of hydrogen element toward the stoichiometric contour and causes a local maximum in [xi]H that occurs near the stoichiometric condition. A differential diffusion variable [sup Z]H is defined as the difference between [xi][sub H] and [xi][sub C]. The variance Of [sup Z]H conditional on [xi][sub C] also shows that differential diffusion effects are greatest on the rich side of the flame. Conditional variances of [sup Z]H are largest at intermediate Reynolds numbers.
Book Synopsis Laser Raman Diagnostics in Subsonic and Supersonic Turbulent Jet Diffusion Flames by : T. S. Cheng
Download or read book Laser Raman Diagnostics in Subsonic and Supersonic Turbulent Jet Diffusion Flames written by T. S. Cheng and published by . This book was released on 1991 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of Research in Progress at ICASE by :
Download or read book Summary of Research in Progress at ICASE written by and published by . This book was released on 1993 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aerospace America written by and published by . This book was released on 1993 with total page 1360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Raman Scattering Measurements of Differential Molecular Diffusion in Turbulent Nonpremixed Jet Flames of H2/CO2 Fuel by :
Download or read book Laser Raman Scattering Measurements of Differential Molecular Diffusion in Turbulent Nonpremixed Jet Flames of H2/CO2 Fuel written by and published by . This book was released on 1994 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper explores effects of differential diffusion in nonpremixed turbulent jet flames. Pulsed Raman scattering spectroscopy is used to measure temperature and species concentrations in chemically reacting jets of H2/CO2 into air, over a range of jet Reynolds numbers from 1,000 to 30,000 based on cold jet fluid properties. Results show significant effects of differential diffusion at all jet Reynolds numbers considered. Differential diffusion between H2 and C02 produces differences between the hydrogen element mixture fraction ([xi]{sub H}) and the carbon element mixture fraction ([xi]{sub c}). The greatest effects occur on the rich side of stoichiometric, where [xi]{sub H} is observed to be smaller than [xi]{sub C} at all Reynolds numbers. Differential diffusion between H2 and H2O creates a net flux of hydrogen element toward the stoichiometric contour and causes a local maximum in [xi]H that occurs near the stoichiometric condition. A differential diffusion variable {sup Z}H is defined as the difference between [xi]{sub H} and [xi]{sub C}. The variance Of {sup Z}H conditional on [xi]{sub C} also shows that differential diffusion effects are greatest on the rich side of the flame. Conditional variances of {sup Z}H are largest at intermediate Reynolds numbers.
Author :American Institute of Aeronautics and Astronautics. Technical Information Service Publisher : ISBN 13 : Total Pages :226 pages Book Rating :4.3/5 (91 download)
Book Synopsis The Finding Guide to AIAA Meeting Papers by : American Institute of Aeronautics and Astronautics. Technical Information Service
Download or read book The Finding Guide to AIAA Meeting Papers written by American Institute of Aeronautics and Astronautics. Technical Information Service and published by . This book was released on 1994 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Raman Scattering Measurements in an Opposed Jet Flame by : Cheng-Yuan Pai
Download or read book Raman Scattering Measurements in an Opposed Jet Flame written by Cheng-Yuan Pai and published by . This book was released on 1992 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Raman Spectroscopy of Flames; Temperature and Concentrations in CH4/N2O Flames by : J. A. Vanderhoff
Download or read book Laser Raman Spectroscopy of Flames; Temperature and Concentrations in CH4/N2O Flames written by J. A. Vanderhoff and published by . This book was released on 1982 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: A laser Raman spectroscopy apparatus has been used to obtain temperature and major species (N2, H2, CO, cO2, and H2O) concentration measurements in the burnt gas region of CH4/N2O flames. Temperatures measured were in the range of 2100 to 2500 K with computed errors of less than 50 K. The concentration measurements are in good agreement with thermochemical equilibrium calculations.
Book Synopsis MILD Combustion: Modelling Challenges, Experimental Configurations and Diagnostic Tools by : Alessandro Parente
Download or read book MILD Combustion: Modelling Challenges, Experimental Configurations and Diagnostic Tools written by Alessandro Parente and published by Frontiers Media SA. This book was released on 2021-11-26 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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