An Experimental Investigation of Chemically-reacting, Gas-phase Turbulent Jets PDF Download
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Author: Richard Joseph Gilbrech
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 162
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Author: Richard Joseph Gilbrech
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 162
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Author: Michael S. Tsurikov
Publisher:
ISBN:
Category : Jets
Languages : en
Pages :
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Author: D. E. Chriss
Publisher:
ISBN:
Category : Gas flow
Languages : en
Pages : 52
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Book Description
An experimental investigation of ducted, two stream, subsonic, reactive, turbulent jet mixing with recirculation was conducted. A primary jet of air at a mass flow rate of 0.075 lb/sec and velocity of 700 ft/sec was surrounded by an outer, low velocity, hydrogen stream. Data were obtained with hydrogen-air ratios of 0.143 and 0.107. The duct-to-inner nozzle diameter ratio was ten. Radial distributions of hydrogen mass fraction, mean axial velocity, turbulence intensity, and total pressure as well as axial distributions of wall hydrogen mass fraction and wall static pressure are presented for axial stations from one-half to five duct diameters from the nozzle exit plane. Comparison of the experimental data with calculations assuming frozen or equilibrium chemistry indicate that he measured velocity, pressure, and composition data are, in general, self-consistent. The maximum turbulent intensities which occurred in the center of the mixing layer and within the recirculation eddy were very high having values of 20 percent of the jet exit velocity. The velocity and composition field indicate that, while and mixing in the reactive flow field is slower than for the nonreactive case, the reaction had little effect on the size and location of the recirculation zone within the mixing duct.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 836
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Author: Franz Durst
Publisher: Springer Science & Business Media
ISBN: 3642760872
Category : Science
Languages : en
Pages : 370
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The Seventh Symposium was held on the campus of Stanford University with·a combination offacilities and weather which made it possible to add open-air poster sessions and coffee breaks to the programme. This was particularly convenient as the call for papers attracted close to three hundred abstracts and a total number of participants well in excess of this number. Some one hundred and thirty papers were presented in carefully phased parallel sessions and thirty six further contributions were made available in the form of posters. In addition, a lively open-forum session allowed additional speakers to make brief presentations. The staff of the Thermo-Sciences Division of the Department of Mechanical Engineering at Stanford undertook the local arrangements with evident success and their extensive record of contributions to Turbulent Shear Flows made the venue particularly appropriate. Also, the Centre for Turbulence Studies, based on the faculty of the University and the NASA Ames Research Center, provided a considerable body of expertise with emphasis on direct numerical stimulation.
Author: P. S. Kothnur
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: H. Chaté
Publisher: Springer Science & Business Media
ISBN: 1461546974
Category : Science
Languages : en
Pages : 395
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Mixing may be thought of as the operation by which a system evolves from one state of simplicity (initial segregation) to another state of simplicity (complete uniformity). Between these two extremes, complex patterns emerge and die. Questions naturally arise- how can the geometry of complex patterns be characterised, what is the time scale of the process, what structures are involved in the flow? This volume, comprising the proceedings of the NATO ASI on Mixing, attempts to address these questions from the approaches of geometry, kinetics and structure. The ASI which brought together diverse communities with a common interest in the problem of mixing, now provides us with a comprehensive work on the problem of mixing.
Author:
Publisher:
ISBN:
Category : Lasers
Languages : en
Pages : 470
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Author: Jeffrey Alan Muss
Publisher:
ISBN:
Category :
Languages : en
Pages : 746
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Author: Kian Mehravaran
Publisher:
ISBN:
Category : Chemical reactions
Languages : en
Pages : 352
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