Download or read book Spectroscopical Determination of Temperature and Oxygen Hydrogen Concentration Distribution in the Combustion Chamber of an Otto engine written by H. May and published by . This book was released on 1978 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spectroscopical Determination of Temperature And OH concentration Distribution in the Chamber of an Otto engine written by Society of Automotive Engineers, Inc and published by . This book was released on 1978 with total page 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 1979 with total page 748 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 1979 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book S A E Transactions written by Society of Automotive Engineers and published by . This book was released on 1979 with total page 1056 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning in 1985, one section is devoted to a special topic
Download or read book Thermometric Determination of Oxidant fuel Distribution Within a Rocket Combustor written by Marshall Chester Burrows and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tungsten-rhenium alloy thermocouples to determine distribution of hydrazine-nitrogen tetroxide products within combustion chamber.
Download or read book Temperature and Concentration Measurements in an Internal Combustion Engine Using Laser Raman Spectroscopy written by Axel Otto zur Loye and published by . This book was released on 1983 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optical Methods for the Measurement of the Temperature and Concentration Distribution in Combustion Chambers written by Liu Zhengbai and published by . This book was released on 1993 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Associations Publications in Print written by and published by . This book was released on 1981 with total page 1530 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1981- in 2 v.: v.1, Subject index; v.2, Title index, Publisher/title index, Association name index, Acronym index, Key to publishers' and distributors' abbreviations.
Download or read book Energy Research and Development Projects in the Nordic Countries written by and published by Nordic Council of Ministers. This book was released on 1990 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Combustion Gas Emissions Spectra of Otto Cycle Engine Operating on H2 CO and Gasoline Using a Calibrated Vidicon Detector Spectrometer written by Scott Alan Freeburn and published by . This book was released on 1976 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The capabilities of the Tektronix Model J2C/7J20 Rapid Scanning Spectrometer for the determination of molecular species resulting from Otto cycle combustion were experimentally investigated after a literature search of the subject area. Combustion of hydrogen-air, carbon monoxideair, and gasoline-air mixtures in the combustion chamber of a Cooperative Fuel Research engine was observed using a quartz window and glass fibre optic light path. Various fuel-air ratios were tested for each fuel. The experimental work indicated that the Tektronix unit was well adapted to monitoring the rapidly changing light emissions and for rapid searches of the spectrum for any spectral features cf interest. Only emissions from CO, CO2 and H2O were identified with certainty as the band spectra of these molecules masked emissions of ther species thermodynamically predicted to exist. An improved optical connection and a light gating system are suggested as means to improve the instrument's resolving power for this application.
Download or read book Determination of Gas Temperatures from the Frequency of Knock induced Gas Vibrations in an Internal combustion Engine written by Wolfgang E. Moeckel and published by . This book was released on 1946 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The object of this report was to develop a method of obtaining gas temperatures from the frequency of knock-induced gas vibrations in and internal combustion engine cylinder.
Download or read book Non intrusive temperature and oxygen concentration measurements in a catalytic combustor using rotational Coherent anti Stokes Raman Spectroscopy ASME 99 GT 114 written by Joakim Bood and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Indianapolis, Indiana, June 7-10, 1999.
Download or read book High Temperature Kinetic Study of the Reactions H O2 Oh O and O H2 Oh H in H2 O2 System by Shock Tube Laser Absorption Spectroscopy written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-11-13 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reactions: (1) H + O2 = OH + O; and (2) O + H2 = OH + H are the most important elementary reactions in gas phase combustion. They are the main chain-branching reaction in the oxidation of H2 and hydrocarbon fuels. In this study, rate coefficients of the reactions and have been measured over a wide range of composition, pressure, density and temperature behind the reflected shock waves. The experiments were performed using the shock tube - laser absorption spectroscopic technique to monitor OH radicals formed in the shock-heated H2/O2/Ar mixtures. The OH radicals were detected using the P(1)(5) line of (0,0) band of the A(exp 2) Sigma(+) from X(exp 2) Pi transition of OH at 310.023 nm (air). The data were analyzed with the aid of computer modeling. In the experiments great care was exercised to obtain high time resolution, linearity and signal-to-noise. The results are well represented by the Arrhenius expressions. The rate coefficient expression for reaction (1) obtained in this study is k(1) = (7.13 +/- 0.31) x 10(exp 13) exp(-6957+/- 30 K/T) cu cm/mol/s (1050 K less than or equal to T less than or equal to 2500 K) and a consensus expression for k(1) from a critical review of the most recent evaluations of k(1) (including our own) is k(1) = 7.82 x 10(exp 13) exp(-7105 K/T) cu cm/mol/s (960 K less than or equal to T less than or equal to 5300 K). The rate coefficient expression of k(2) is given by k(2) = (1.88 +/- 0.07) x 10(exp 14) exp(-6897 +/- 53 K/T) cu cm/mol/s (1424 K less than or equal to T less than or equal to 2427 K). For k(1), the temperature dependent A-factor and the correlation between the values of k(1) and the inverse reactant densities were not found. In the temperature range of this study, non-Arrhenius expression of k(2) which shows the upward curvature was not supported. Ryu, Si-Ok and Hwang, Soon Muk and Dewitt, Kenneth J. Unspecified Center ABSORPTION SPECTROSCOPY; COMBUSTION CHEMISTRY; GAS MIXTURES; HIGH TEMPERATURE TESTS; HYDROGEN; HYDROX...
Download or read book Determination of Temperature and Concentration from Radiometric Measurements in Combustion Systems written by and published by . This book was released on 2001 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite that combustion diagnostics have reached high levels of refinement, it remains difficult to make quantitatively accurate nonintrusive measurements of temperature and species concentrations in realistic combustion environments. The goal of the present study is to develop nonintrusive spectral radiation tools to allow efficient high-fidelity determination of temperature and species concentrations in laminar and turbulent combustion systems. Temperature and concentrations are deduced from medium-to-coarse resolution measurements of spectral transmissivity and emitted intensity for homogeneous gas media, nonhomogeneous gas media and turbulent systems considering the turbulence radiation interaction (TRI). For a homogeneous gas medium, by minimizing the differences between measured and predicted transmissivity spectra, an inverse radiation model is developed to retrieve temperature and species concentrations simultaneously using the the Levenberg-Marquardt optimization method. This model has been validated by experimental measurements. The developed inverse radiation model is used to determine the optimal wavenumber range and resolution by retrieving temperature and species concentrations from a homogeneous gas column for a wide range of temperatures and concentrations. Multiple factors, including spectral region, spectral resolution, temperature and concentration range, and susceptibility to systematic error and random error have been considered. Results are obtained for homogeneous mixtures containing CO2, H2O or CO with N2. In nonhomogeneous gas media, transmissvities are not sensitive to temperature and concentration distributions, making it impossible to reconstruct temperature and species concentrations fields from transmissivity spectra. Another inverse calculation model is developed using measured line-of-sight emitted spectral intensity data to retrieve temperature profiles. Because intensity spectra are also not sensitive to concentration profiles, this model can only deduce the temperature profile together with an average concentration. Due to the ill-posedness of this inverse problem, additional conditions or criteria are needed to be imposed to determine the most realistic solution. Most regularization methods transform an ill-posed inverse problem into a well-behaved one by adding auxiliary information based on desired or assumed characteristics. Tikhonov regularization imposes smoothness to the solution by adding a regularization term. Tikhonov regularization has been shown to be suitable for solving these ill-posed problems, but it is difficult to select an appropriate regularization parameter, especially for nonlinear problems. A new regularization selection method based on the theory of the discrepancy principle and the L-curve criterion is proposed and shows good generality for different temperature profile inversions. Several types of temperature profiles are retrieved accurately using this method. For a turbulent system, the nonlinear interaction between turbulence and radiation has profound effects and cannot be neglected when developing inverse radiation tools. In the presence of TRI, temperature and concentration can never be measured directly. An inverse radiation model considering how turbulence and radiation interact along the detector's line-of-sight has been developed to deduce time-averaged and root-mean-square (rms) values of temperature and concentrations as well as the turbulent length scale from the time-averaged transmissivity and its rms spectrum for a single turbulent gas as well as a turbulent gas mixture.
Download or read book An Approximate Means of Determining the Axial Flame Temperature Pattern Within a Rocket Engine Combustion Chamber written by L. J. Purchase and published by . This book was released on 1956 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Method for Spectroscopic Temperature Measurements in a Solid Fuel Combustion Chamber written by T. Wijchers and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
