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Author : Seung-Han Kim
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Scaling of Nitric Oxide Emission in Turbulent Hydrogen Diffusion Flames written by Seung-Han Kim and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George A. Lavoie
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (353 download)
Download or read book A Scaling Study of NO Formation in Turbulent Diffusion Flames of Hydrogen Burning in Air written by George A. Lavoie and published by . This book was released on 1975* with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Global NOx Measurements in Turbulent Nitrogen-Diluted Hydrogen Jet Flames written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent hydrogen diffusion flames diluted with nitrogen are currently being studied to assess their ability to achieve the DOE Turbine Program's aggressive emissions goal of 2 ppm NOx in a hydrogen-fueled IGCC gas turbine combustor. Since the unstrained adiabatic flame temperatures of these diluted flames are not low enough to eliminate thermal NOx formation the focus of the current work is to study how the effects of flame residence time and global flame strain can be used to help achieve the stated NOx emissions goal. Dry NOx measurements are presented as a function of jet diameter nitrogen dilution and jet velocity for a turbulent hydrogen/nitrogen jet issuing from a thin-lipped tube in an atmospheric pressure combustor. The NOx emission indices from these experiments are normalized by the flame residence time to ascertain the effects of global flame strain and fuel Lewis Number on the NOx emissions. In addition dilute hydrogen diffusion flame experiments were performed in a high-pressure combustor at 2 4 and 8 atm. The NOx emission data from these experiments are discussed as well as the results from a Computational Fluid Dynamics modeling effort currently underway to help explain the experimental data.
Author : Marcos Chaos
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (974 download)
Download or read book Fuel Lewis Number Effect on Nitric Oxide Emission of Acoustically Pulsed Laminar Jet Diffusion Flames written by Marcos Chaos and published by . This book was released on 2000 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of the proposed research work is to gain insight into the dependence of formation of NOx (i.e. NO and NO2) on unsteady flame dynamics and thermal diffusive (i.e. Lewis number) effects in diffusion flames. The coupled effect of fuel Lewis number and flow unsteadiness will be systematically investigated and implications for fully turbulent flow will be revealed. Acoustically pulsed laminar jet diffusion flames will be studied. The effect of a wide range of fuel Lewis numbers will be investigated; flame temperature and NOx emission will be measured using Thin Filament Pyrometry (TFP) and NOx chemiluminescence analysis.
Author : James E. Broadwell
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (219 download)
Download or read book A Model of Turbulent Diffusion Flames and Nitric Oxide Generation written by James E. Broadwell and published by . This book was released on 1990 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (685 download)
Download or read book Relationships Among Nitric Oxide, Temperature and Mixture Fraction in Hydrogen Jet Flames written by and published by . This book was released on 1994 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simultaneous point measurements of NO, the major species, mixture fraction, temperature, and OH are obtained in nonpremixed turbulent hydrogen jet flames, using the combination of spontaneous Raman scattering, Rayleigh scattering, and laser-induced fluorescence. Results are presented for an undiluted hydrogen flame at Reynolds number 10,000 and for flames with 20% and 40% helium dilution. Radial dependence of conditional mean NO mole fraction (conditional on mixture fraction) is shown to be small at upstream locations and negligible at the downstream locations that contribute most to the overall NO emission. Near the flame base, where NO formation rates and concentrations are sensitive to local strain, fluctuations of the NO mole fraction conditional on mixture fraction are 40 to 50% of conditional mean. When average NO levels are calculated conditional on both mixture fraction and temperature, a significant temperature dependence is found. However, this double conditioning does not substantially reduce NO fluctuations relative to the mean values. These results combined with previously reported data on the present hydrogen flames provide a detailed basis for evaluation and refinement of turbulent combustion models for thermal NO(subscript x) formation in jet flames.
Author : Weizhen Zhang
Publisher :
ISBN 13 :
Total Pages : 576 pages
Book Rating : 4.:/5 (33 download)
Download or read book Modeling of NOx Formation in Turbulent Flames written by Weizhen Zhang and published by . This book was released on 1995 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amable Linan
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (227 download)
Download or read book Nitric Oxide Production in Laminar and Turbulent Diffusion Flames written by Amable Linan and published by . This book was released on 1977 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis of the production of Nitric Oxide in laminar and turbulent diffusion flames has been carried out taking advantage of the large activation energy of the NO producing reactions. In laminar diffusion flames the NO production takes place in a thin-high temperature region adjacent to the thin reaction zone for the main reaction. The mass of NO produced per unit flame surface and time is calculated in terms of the main characteristic of the Burke-Schumann thin flame solution. The NO production rate in turbulent diffusion flames is related to the probability density function for an inert species diffusing through the mixing region. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 506 pages
Book Rating : 4.0/5 ( download)
Download or read book 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit written by and published by . This book was released on 1999 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank E. Marble
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (541 download)
Download or read book A Theoretical Analysis of Nitric Oxide Production in a Methane/air Turbulent Diffusion Flame written by Frank E. Marble and published by . This book was released on 1980 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ganeshan Balakrishnan
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (318 download)
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:
Author : Steven M. Cherry
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (464 download)
Download or read book Scaling of Buoyancy Effects in Hydrogen Gas-jet Diffusion Flames Using Rainbow Schlieren Deflectometry written by Steven M. Cherry and published by . This book was released on 1997 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kozo Saito
Publisher : Springer Science & Business Media
ISBN 13 : 1402086822
Total Pages : 529 pages
Book Rating : 4.4/5 (2 download)
Download or read book Progress in Scale Modeling written by Kozo Saito and published by Springer Science & Business Media. This book was released on 2008-08-20 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scale modeling can play an important role in R&D. When engineers receive some ideas in new product development, they can test how the new design looks by bui- ing scale models and they can get an actual feeling with the prototype through their imagination. Professor Emori often said: “When children play with a toy airplane, their mind is wondering about the prototype airplane which they haven’t ridden. ” Children can use the scale model airplane as a means to enter into an imagi- tive world of wonder by testing in their own way how the actual airplane might function, how the actual airplane can maneuver aerodynamically, what might be the actual sound of a jet engine, how to safely land the actual airplane, and so on. This imagination that scale models can provide for children will help them later develop professional intuition. Physical scale models can never be entirely succe- fully replaced by computer screens where virtual models are displayed and fancy functions are demonstrated. Not only children but also adults can learn things by actually touching things only offered by physical models, helping all of us develop imagination and feeling eventually leading toward Kufu. Einstein’s famous “thought experiments [11],” which helped him to restructure modern physics may possibly and effectively be taught by letting researchers play with scale models!? References 1. I. Emori, K. Saito, and K. Sekimoto, Mokei Jikken no Riron to Ouyou (Scale Models in Engineering: Its Theory and Application), Gihodo, Tokyo, Third Edition, 2000.
Author : N. A. Chigier
Publisher : Elsevier
ISBN 13 : 148318224X
Total Pages : 334 pages
Book Rating : 4.4/5 (831 download)
Download or read book Energy and Combustion Science written by N. A. Chigier and published by Elsevier. This book was released on 2013-10-22 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy and Combustion Science is a collection of papers that covers advancement in the field of energy and combustion science. The materials presented in the book are organized thematically into parts. The text first covers the issues, concerns, problems of the contemporary combustion technology. The subsequent parts of the book cover various areas in combustions science, namely, pollution, gas, oil, coal, and engines. Most of the articles in the book are concerned with the byproduct of fuel combustion. The text will be of great use to students, researchers, and practitioners of disciplines that deal with the energy and combustion technology.
Author : A. D. Tuteja
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (89 download)
Download or read book The Formation of Nitric Oxide in Diffusion Flames written by A. D. Tuteja and published by . This book was released on 1972 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : SH Chan
Publisher : Taylor & Francis
ISBN 13 : 1351407007
Total Pages : 1862 pages
Book Rating : 4.3/5 (514 download)
Download or read book Transport Phenomena In Combustion written by SH Chan and published by Taylor & Francis. This book was released on 2024-09-06 with total page 1862 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume set presents the proceedings from the 8th International Symposium on Transport Phenomena in Combustion. There are more than 150 chapters that provide an extensive review of topics such as complete numerical simulation of combustion and heat transfer in furnaces and boilers, the interaction of combustion and heat transfer in porous media for low emission, high efficiency applications, industrial combustion technology, experimental and diagnostic methods and active combustion control, and fire research, internal combustion engine, Nox and soot emission.
Author :
Publisher :
ISBN 13 :
Total Pages : 1006 pages
Book Rating : 4.:/5 (26 download)
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1960 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:
