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Analysis Of Turbulent Free Jet Hydrogen Air Diffusion Flames With Finite Chemical Reaction Rates
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Book Synopsis Analysis of Turbulent Free Jet Hydrogen-air Diffusion Flames with Finite Chemical Reaction Rates by : J. P. Sislian
Download or read book Analysis of Turbulent Free Jet Hydrogen-air Diffusion Flames with Finite Chemical Reaction Rates written by J. P. Sislian and published by . This book was released on 1978 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Turbulent Free Jet Hydrogen-air Diffusion Flames with Finite Chemical Reaction Rates by : J. P. Sislian
Download or read book Analysis of Turbulent Free Jet Hydrogen-air Diffusion Flames with Finite Chemical Reaction Rates written by J. P. Sislian and published by . This book was released on 1978 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of opposed jet hydrogen-air counter flow diffusion flame by :
Download or read book Analysis of opposed jet hydrogen-air counter flow diffusion flame written by and published by DIANE Publishing. This book was released on with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Finite-Rate Chemistry Effects on Turbulent Jet Diffusion Flames and Non-homogeneous Autoigntion Using the One-Dimensional Turbulence Model by :
Download or read book Study of Finite-Rate Chemistry Effects on Turbulent Jet Diffusion Flames and Non-homogeneous Autoigntion Using the One-Dimensional Turbulence Model written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In current study Numerical simulation of turbulent combustion process is approached using One Dimensional Turbulence (ODT) model. The ODT model is based on the coupling of molecular processes (reaction and diffusion) with turbulent transport in a spatially- and temporally-resolved fashion over a one-dimensional domain. The domain corresponds to a transverse (or radial) direction; while, the transient evolution of the thermo-chemical scalars on the 1D domain represents the spatial evolution downstream of the jet inlet. The linear-eddy approach for modeling molecular mixing in turbulent flow involves stochastic simulation on a 1D domain with sufficient resolution to predict all relevant physical length scales properly. Firstly ODT is carried out to predict the hydrogen and air jet diffusion flame with helium dilution in the fuel. The comparison with existing experimental data was made for the numerical result of ODT simulation of jet diffusion flames in both conditional means and rms of scalars of measurements and computational results. Another application of ODT was made in present work to verify the capability of prediction of autoignition (self-ignition) of one of free shear layer flow -- jet diffusion flow. Different range of pressure and Reynolds number are set to identify the effects of turbulence intensity and mixture properties on the self-ignition chemistry. Autoignition delay time was studied based on these different conditions. At the same time the ability of the prediction of mixture temperature and species mass fraction profile were tested. A principle numerical result is expected and discussed. Conditional pdf and progress variable were used to analyze the computational result of ODT. Analysis was focus on the temperature growth and the mass fraction distribution of intermediate species and product.
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 380 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.
Book Synopsis Theories of Turbulent Combustion in High Speed Flows by : Paul A. Libby
Download or read book Theories of Turbulent Combustion in High Speed Flows written by Paul A. Libby and published by . This book was released on 1995 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Reacting Free and Ducted Hydrogen/air Jets by :
Download or read book A Study of Reacting Free and Ducted Hydrogen/air Jets written by and published by . This book was released on 1975 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Finite-rate Chemistry Effects on Turbulent Jet Diffusion Flames and Non-homogeneous Autoigntion Using the One-dimensional Turbulence Model by : Sha Zhang
Download or read book Study of Finite-rate Chemistry Effects on Turbulent Jet Diffusion Flames and Non-homogeneous Autoigntion Using the One-dimensional Turbulence Model written by Sha Zhang and published by . This book was released on 2003 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: autoignition, ODT, turbulent combustion.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1979 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Hydrogen-air Diffusion Flames and of Compressibility Effects Related to High-speed Propulsion by : Ganeshan Balakrishnan
Download or read book Studies of Hydrogen-air Diffusion Flames and of Compressibility Effects Related to High-speed Propulsion written by Ganeshan Balakrishnan and published by . This book was released on 1992 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Differential Diffusion Effects in Turbulent Hydrogen Jet Flame Using Conditional Moment Closure Method by : Man Ching Ma
Download or read book Investigation of Differential Diffusion Effects in Turbulent Hydrogen Jet Flame Using Conditional Moment Closure Method written by Man Ching Ma and published by . This book was released on 2014 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of differential diffusion in the numerical modelling of a turbulent non-premixed hydrogen-air jet flame using a Conditional Moment Closure (CMC) method are investigated. The CMC calculations, which are coupled with computational fluid dynamics (CFD) calculations, relax the commonly used assumption of equal species mass diffusivities. The focus is on the predictions of species mass fractions and temperatures, especially the production of NO. The results of the calculations are compared with available experimental measurements. The formulation of the CMC species transport equation including differential diffusion is presented and the closure of the terms are discussed. Further, the CMC equation for conditional enthalpy is also derived in the present study. The implementation of the CMC equations using two dimensional finite volume method is discussed, including a presentation of the discretised forms of the equations. The results of the CMC calculations including the effects of differential diffusion show that NO mass fractions are increased from the large underpredictions observed for equal diffusivity results near the jet nozzle. Improvements are also found for other species such as H2 and H2O. The results show physical behaviours, such as a shift in the location of the reaction zone and increased reaction rates due to increased diffusion rates of H2. It is also found that differential diffusion effects persist downstream from the nozzle, where the effects are expected to be small, and reasons for the discrepancies are discussed in the present study. The profiles obtained from the CMC calculations show large radial variations, much larger than in equal diffusivity calculations. An analysis isolating the differential diffusion effects of various species shows that the largest changes occur due to the accounting for the differential diffusivity of H2. A budget of the terms in the CMC equations for the differentially diffusing chemical species and enthalpy is also investigated.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1977 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis UTIAS Report by : University of Toronto. Institute for Aerospace Studies
Download or read book UTIAS Report written by University of Toronto. Institute for Aerospace Studies and published by . This book was released on 1984 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Book Synopsis R & D Abstracts by : Technology Reports Centre (Great Britain)
Download or read book R & D Abstracts written by Technology Reports Centre (Great Britain) and published by . This book was released on 1978 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamental Characterization of Alternate Fuel Effects in Continuous Combustion Systems by : W. S. Blazowski
Download or read book Fundamental Characterization of Alternate Fuel Effects in Continuous Combustion Systems written by W. S. Blazowski and published by . This book was released on 1978 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technical progress report, August 15, 1977-August 14, 1978.
Book Synopsis Symposium papers by : Frederick S. Billig
Download or read book Symposium papers written by Frederick S. Billig and published by . This book was released on 1997-12-31 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this volume on air breathing machines, more than 200 papers discuss research on topics such as: turbine engine technology, programmes and costs; engine integration, usage, maintainability; high speed engine technology programmes; hypersonic missions and technology; engine component technology and development; and engine safety.
