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Effects Of Turbulent Mixing On Chemical Reaction In An Aerosol Producing Co Flow Jet
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Book Synopsis Effects of Turbulent Mixing on Chemical Reaction in an Aerosol-producing Co-flow Jet by : Thomas Paris Jenkins
Download or read book Effects of Turbulent Mixing on Chemical Reaction in an Aerosol-producing Co-flow Jet written by Thomas Paris Jenkins and published by . This book was released on 1997 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigates the effects of mixing on chemical reaction in a turbulent co-flow jet. After a jet is produced by a mixture of HCl (hydrogen chloride), air, and N2 (nitrogen) issuing from a pipe into a co-flowing stream of NH3 (gaseous ammonia) and air, a chemical reaction in which NH4Cl (ammonium chloride) aerosol with negligible heat release is produced. The product concentration field as marked by the aerosol is then characterized through the collection of data from which probability density functions can be constructed.
Book Synopsis A Chemical Reaction in a Turbulent Jet by : John R Shea (III.)
Download or read book A Chemical Reaction in a Turbulent Jet written by John R Shea (III.) and published by . This book was released on 1976 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: The turbulent mixing and subsequent chemical reaction of gases is an essential part of many technological processes ranging from gas furnaces to chemical lasers. Generally the chemical kinetics are well understood, but the process of turbulent mixing is not. Knowledge of where turbulent fluid is mixed on a molecular scale is critical for predicting chemical reaction rates in the flow. In this experiment the rate of a chemical reaction in an axisymmetric turbulent jet is studied, and the results are used to determine the rate of molecular mixing in the jet. A turbulent jet containing dilute ozone in an inert mixture of nitrogen and oxygen flows into a stagnant tank of nitric oxide and nitrogen. When the gases mix on a molecular scale, the ozone and nitric oxide rapidly react to produce oxygen and nitrogen dioxide. The rate at which the mixing and chemical reaction proceeds is determined by using an ultraviolet light absorption techniques to measure the time averaged ozone concentration at points throughout the jets mixing zone. The experiment establishes a criterion for determining when a reaction of known chemical kinetics is sufficiently rapid that chemical non-equilibrium has a negligible effect on the mean reactant profile.
Book Synopsis The Effect of Chemical Reactions in The Turbulent Mixing Component on Thedynamics and Thermodynamics of Wake Flow Fields by :
Download or read book The Effect of Chemical Reactions in The Turbulent Mixing Component on Thedynamics and Thermodynamics of Wake Flow Fields written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Reactions in Turbulent Mixing Flows by :
Download or read book Chemical Reactions in Turbulent Mixing Flows written by and published by . This book was released on 1990 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research conducted fundamental investigations of turbulent mixing, chemical reaction and combustion processes in turbulent, subsonic and supersonic flows. This program is comprised of an experimental effort, an analytical effort, a computational effort, a modeling effort, and a diagnostics development and data-acquisition effort; the latter as dictated by specific needs of the experimental part of the overall program. Our approach has been to carry out a series of detailed theoretical and experimental studies primarily in two, well-defined, fundamentally important flow fields: free shear layers and axisymmetric jets. To elucidate molecular transport effects, experiments and theory concern themselves with both liquids and gases, primarily in moderate to high Reynolds number flows. Modeling has been focused on both shear layers and turbulent jets, with an effort to include the physics of the molecular transport processes, as well as formulations of models that permit the full chemical kinetics of the combustion process to be incorporated. Our recent analytical efforts have concentrated on a hydrodynamic analysis of the stability of compressible shear layers. The computational studies are, at present, focussed at fundamental issues pertaining to the computational simulation of both compressible and incompressible flows.
Book Synopsis Chemical Reactions in Compressible Turbulent Mixing Flows by : Robert F. Mons
Download or read book Chemical Reactions in Compressible Turbulent Mixing Flows written by Robert F. Mons and published by . This book was released on 1969 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Effects of Swirl on Turbulent Mixing and Combustion by : Arthur Rubel
Download or read book Some Effects of Swirl on Turbulent Mixing and Combustion written by Arthur Rubel and published by . This book was released on 1972 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 602 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 An Experimental Investigation of Ducted, Reactive, Turbulent Jet Mixing with Recirculation by : D. E. Chriss
Download or read book An Experimental Investigation of Ducted, Reactive, Turbulent Jet Mixing with Recirculation written by D. E. Chriss and published by . This book was released on 1977 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Simulation of Turbulent Mixing Effects on Chemical Reactions in the Convective Boundary Layer by : Mi-Sug Kim
Download or read book Simulation of Turbulent Mixing Effects on Chemical Reactions in the Convective Boundary Layer written by Mi-Sug Kim and published by . This book was released on 2000 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1997 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of the Mixing with Chemical Reaction in a Cross Flow Impinging Jet Aerosol Reactor by :
Download or read book Study of the Mixing with Chemical Reaction in a Cross Flow Impinging Jet Aerosol Reactor written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NBS Special Publication written by and published by . This book was released on 1980 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Analytical Approach to the Turbulent Mixing of Coaxial Jets by : Andrew C. Victor
Download or read book An Analytical Approach to the Turbulent Mixing of Coaxial Jets written by Andrew C. Victor and published by . This book was released on 1966 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: The turbulent mixing of coaxial jets is a critical phenomenon in areas such as air-augmented rocket propulsion and radar attenuation by rocket exhausts. In the report a model is developed which approximates the mixing of coaxial jets assuming equal pressures in the two flows. Provision is made for chemical reaction and heat release in the mixing region. The model is based on the theory developed by Libby and assumes that turbulent mixing can be described by the equations for laminar flow, if the laminar transport coefficients are replaced by their turbulent counterparts. The model is demonstrated for an afterburning rocket exhaust, and contours of velocity and temperature in the plume are constructed. Accurate predictions of microwave attenuation and infrared emission by rocket plumes were made on the basis of this model and appropriate thermochemical calculations. A simple computer solution is given. (Author).
Book Synopsis Turbulent Reactive Flows by : R. Borghi
Download or read book Turbulent Reactive Flows written by R. Borghi and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent reactive flows are of common occurrance in combustion engineering, chemical reactor technology and various types of engines producing power and thrust utilizing chemical and nuclear fuels. Pollutant formation and dispersion in the atmospheric environment and in rivers, lakes and ocean also involve interactions between turbulence, chemical reactivity and heat and mass transfer processes. Considerable advances have occurred over the past twenty years in the understanding, analysis, measurement, prediction and control of turbulent reactive flows. Two main contributors to such advances are improvements in instrumentation and spectacular growth in computation: hardware, sciences and skills and data processing software, each leading to developments in others. Turbulence presents several features that are situation-specific. Both for that reason and a number of others, it is yet difficult to visualize a so-called solution of the turbulence problem or even a generalized approach to the problem. It appears that recognition of patterns and structures in turbulent flow and their study based on considerations of stability, interactions, chaos and fractal character may be opening up an avenue of research that may be leading to a generalized approach to classification and analysis and, possibly, prediction of specific processes in the flowfield. Predictions for engineering use, on the other hand, can be foreseen for sometime to come to depend upon modeling of selected features of turbulence at various levels of sophistication dictated by perceived need and available capability.
Book Synopsis Coarse Grained Simulation and Turbulent Mixing by : Fenando F. Grinstein
Download or read book Coarse Grained Simulation and Turbulent Mixing written by Fenando F. Grinstein and published by Cambridge University Press. This book was released on 2016-06-30 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews our current understanding of the subject. For graduate students and researchers in computational fluid dynamics and turbulence.
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Buoyancy on Turbulent Jet Mixing by : Sudhanshu Kumar Dikshit
Download or read book Effects of Buoyancy on Turbulent Jet Mixing written by Sudhanshu Kumar Dikshit and published by . This book was released on 1961 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
