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Kinetic Reaction Coefficients In Rocket Exhaust Plumes
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Book Synopsis Kinetic Reaction Coefficients in Rocket Exhaust Plumes by : Kaare J. Nygaard
Download or read book Kinetic Reaction Coefficients in Rocket Exhaust Plumes written by Kaare J. Nygaard and published by . This book was released on 1977 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pergament and Jensen recently have developed a model for estimating the densities of neutral and charged species for an afterburning plume of a solid fuel rocket as a function of distance along the plume. They have compared the predicted electron densities with experimental radar cross section measurements of electron density and find agreement at least within an order of magnitude. The predictions of the model are dependent on the accuracy with which the rate constants used are known. This report describes the work done under AFOSR 74-2672 toward rate constant measurements for those reactions that Pergament and Jenson pointed out as critical to the model and poorly known; dissociative attachment of electrons in HC1, collisional ionization of potassium and chlorine, and three body recombination of potassium. The reactions are closely related in the rocket plume, but diverse experimental procedures are required to measure the rates of the reactions. Potassium is a contaminant of the perchlorate oxidizer in some solid fuels, but because of its low ionization potential, it can make an inordinately large contribution to ionization in the plume.
Book Synopsis Influence of Chemical Kinetic and Turbulent Transport Coefficients on Afterburning Rocket Exhaust Plume Properties by : H. S. Pergament
Download or read book Influence of Chemical Kinetic and Turbulent Transport Coefficients on Afterburning Rocket Exhaust Plume Properties written by H. S. Pergament and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of chemical kinetic and turbulent transport coefficients on afterburning rocket exhaust plume properties was analyzed in terms of predicted radar attenuations transverse to solid propellant plumes. A model of parallel turbulent mixing and nonequilibrium combustion and ionization was used to determine whether varying these coefficients, which are input data to the model, over their ranges of uncertainty has a significant effect on the predicted attenuation. The results of the study demonstrate that significant differences in predicted attenuation levels can result when the important reaction rate and turbulent transport coefficients are varied within their respective error bounds. This establishes the framework within which to interpret radar attenuation data taken at sea level and under simulated altitude conditions. It is also shown that a better laboratory determination of the rate coefficient for the dominant charge-producing reaction, K + Cl yielding K(+) + Cl( - ), is of particular importance if more accurate attenuation predictions are to be made. It was concluded that realistic calculations of solid propellant exhaust plume electrical properties must take chemical kinetics into account. (Author).
Book Synopsis Competitive Reaction Kinetics in Seeded Flames and Rocket Exhausts by : D. E. Jensen
Download or read book Competitive Reaction Kinetics in Seeded Flames and Rocket Exhausts written by D. E. Jensen and published by . This book was released on 1971 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: In such non-equilibrium combustion systems as rock exhaust plumes, reactions of the types X + HY = XY + H and X + Y + M = XY + M, where X is a metal atom or free electron, Y is a free radical and M is a collision partner, compete to determine concentration ratios (XY)/(X). Competition criteria suggested by Sugden are modified, extended, and exemplified by reference to particular reactions of practical interest. The criteria help the chemist to select the minimum number of chemical reactions for computer calculations on the properties of combustion systems. Recommended rate coefficients and uncertainties are offered for several reactions of types (A) and (B). (Author).
Author :Frederick S. Simmons Publisher :AIAA (American Institute of Aeronautics & Astronautics) ISBN 13 : Total Pages :312 pages Book Rating :4.3/5 (91 download)
Book Synopsis Rocket Exhaust Plume Phenomenology by : Frederick S. Simmons
Download or read book Rocket Exhaust Plume Phenomenology written by Frederick S. Simmons and published by AIAA (American Institute of Aeronautics & Astronautics). This book was released on 2000 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book deals with the phenomenology of rocket exhaust plumes as the targets of space-based surveillance systems. Topics include the physical and chemical processes in rocket engines and their exhaust plumes, particularly in regard to flow properties, gas dynamics, and radiative mechanisms that are responsible for the generation of emission in rocket exhaust plumes at infrared and other wavelengths. System designers in a number of defense-related areas will be able to put the information in this book to immediate use.
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 1989 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1979 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Entrained Water and Strong Turbulence on Afterburining Within Solid Rocket Motor Plumes by : Richard I. Gomberg
Download or read book Effects of Entrained Water and Strong Turbulence on Afterburining Within Solid Rocket Motor Plumes written by Richard I. Gomberg and published by . This book was released on 1978 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1978 with total page 1130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Fire Research Abstracts and Reviews by :
Download or read book Fire Research Abstracts and Reviews written by and published by . This book was released on 1975 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Entrained Water and Strong Turbulence on Afterburning Within Solid Rocket Motor Plumes by : Richard I. Gomberg
Download or read book Effects of Entrained Water and Strong Turbulence on Afterburning Within Solid Rocket Motor Plumes written by Richard I. Gomberg and published by . This book was released on 1978 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Student Research in Rocket and Plume-Reaction Kinetics by : Arthur Fontijn
Download or read book Student Research in Rocket and Plume-Reaction Kinetics written by Arthur Fontijn and published by . This book was released on 1998 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semi-empirical configuration interaction (SECI) theory has been extended to predict activation barriers for combustion reactions of boron group halide oxidation reactions, Good agreement with experiments has been obtained. Rate coefficients for BO oxidation reactions have been measured. It is shown that these reactions, as well as their AlO equivalents, proceed through formation of intermediate complexes. The CO Fourth Positive System chemiluminescence in the vacuum ultraviolet has been studied in two reaction systems: O + C2H2 and C2 + O2. The latter is shown to be more likely responsible for rocket plume emissions.
Book Synopsis Environmental Pollution & Control by :
Download or read book Environmental Pollution & Control written by and published by . This book was released on 1979 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1976 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Paper written by and published by . This book was released on 1978 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Kinetic/Gas Dynamic/Particle Interactions in Rocket Nozzle and Exhaust Plume Flows by :
Download or read book Chemical Kinetic/Gas Dynamic/Particle Interactions in Rocket Nozzle and Exhaust Plume Flows written by and published by . This book was released on 1976 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of the accomplishments achieved under this AFOSR contract is presented. Among the most notable are: (1) the development and demonstration of a fully-coupled rocket nozzle code (FULLNOZ) which, in calculating nozzle flow properties, couples the effects of nonequilibrium chemistry, gas/particle thermal and dynamic nonequilibrium, turbulent mixing across streamtubes and turbulent wall boundary layers and (2) the development of a phenomeno-logical model for the interpretation of IR radiation data from subscale liquid propellant rocket motor plumes; the model accounts for the effects of unburned fuel on rocket nozzle and after-burning plume properties.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1979 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compendium of Federal Funds by : Missouri. General Assembly. Committee on State Fiscal Affairs
Download or read book Compendium of Federal Funds written by Missouri. General Assembly. Committee on State Fiscal Affairs and published by . This book was released on 1973 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
