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The Recombination Of Atomic Oxygen
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Book Synopsis The Recombination of Atomic Oxygen by : Lewis Gregory Hogan
Download or read book The Recombination of Atomic Oxygen written by Lewis Gregory Hogan and published by . This book was released on 1974 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-body heterogeneous and wall recombination coefficients for atomic oxygen were measured using an electron paramagnetic resonance spectrometer to monitor the time dependence of the atomic oxygen concentration. This measurement was made for a pressure range of from .224 to 1.10 torr using pyrolysis of ozone as a source of oxygen atoms. The three-body heterogeneous rate constant, k1, with molecular oxygen as the third body was determined independent of ozone concentration to be (5.43 ± . 08) x 10-34 cc 2 molecule-2 sec-1 The wall recombination efficiency, y, for a fused metaphosphoric acid-sodium metaphosphate mixture, the wall coating, was found to be 9.1 x 10-6. The recombination coefficient, k1, resulting from a computer fit of the data to the usual recombination model is compared to literature values obtained from discharged oxygen, ozone pyrolysis, and chemiluminescence measurements. The role that ozone concentration plays throughout the atomic oxygen decay and the possible effects of its neglect is discussed.
Book Synopsis Recombination of Carbon Monoxide and Atomic Oxygen at High Temperatures by : Theodore A. Brabbs
Download or read book Recombination of Carbon Monoxide and Atomic Oxygen at High Temperatures written by Theodore A. Brabbs and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Theoretical Study of the Recombination Kinetics of Atomic Oxygen by : Sterge T. Demetriades
Download or read book A Theoretical Study of the Recombination Kinetics of Atomic Oxygen written by Sterge T. Demetriades and published by . This book was released on 1957 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of Recombination of Atomic Oxygen at Room Temperature by : H. L. PETERSEN
Download or read book Kinetics of Recombination of Atomic Oxygen at Room Temperature written by H. L. PETERSEN and published by . This book was released on 1960 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: OXYGEN WAS PARTLY DISSOCIATED BY A MICROWAVE DISCHARGE IN STATIC EXPERIMENTS, AND THE ABSOLUTE CONCENTRATION OF ATOMS WAS DETERMINED WITH A Wrede gage. The rate of recombination was measured by observing the radiation emitted as a result of the reaction of O atoms with a trace of NO2. An upper limit of 2.5 x 10 to the 14th power cc sq./mole sq. sec was established for the rate constant at 350 K of the reaction O + O + O2 yields O2 + O2. Since this upper limit is 1/3 to 1/2 times the value found in shocktube experiments for the same rate constant at 3500 K, it is concluded that the rate constant increases slowly with temperature instead of varying as an inverse power of absolute temperature, as has conventionally been assumed. In the same experiments, the rate constant for the reaction O + O2 + O2 yields O3 + O2 was found to be 1.1 x 10 to the 14th power cc sq./mole sq. sec at 350 K, in excellent agreement with other recent determinations. Recombination was strongly catalyzed by OH radicals in accordance with the mechanism O + OH + O2 yields HO2 + O2 and O + HO2 yields OH + O2. The rates of these reactions are reported. (Author).
Book Synopsis A Model for Oxygen Atom Recombination on a Silicon Dioxide Surface by : William Arthur Seward
Download or read book A Model for Oxygen Atom Recombination on a Silicon Dioxide Surface written by William Arthur Seward and published by . This book was released on 1986 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: A steady state model for oxygen atom recombination for temperatures from 300 K to 2000 K on a silicon dioxide surface was developed based on the Langmuir-Rideal heterogeneous recombination mechanism. The bonding of atomic oxygen to the surface and the thermal desorption of atomic oxygen from the surface were also included in the model. The hypothesis was made that the gas-phase oxygen atoms combine directly with the oxygen atoms that constitute the silicon dioxide surface, with other gas-phase oxygen atoms replacing the lost atoms that were bonded on the silicon dioxide surface matrix. The model agrees with the experimental data that is available in the literature, and provides an insight into the processes that control the recombination as a function of temperature. A set of two-dimensional, steady-state, laminar boundary-layer calculations was made using explicit numerical methods to demonstrate the use of this model and to explore the rational limits which may be placed on the role of catalysis for oxygen recombination on a silicon dioxide surface like that of the Space Shuttle. The predicted catalycity of the silcion dioxide surface did reduce the overall heating below that which would be predicted by a fully catalytic surface.
Book Synopsis The Recombination of Atomic Oxygen in the Presence of Inert Gases by : James Ebenezer Morgan
Download or read book The Recombination of Atomic Oxygen in the Presence of Inert Gases written by James Ebenezer Morgan and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "It is a rather sobering thought that advances in an increasing number of fields should depend for their stimulus on political and military need rather than purely academic interest. While this is by no means generally true, the connection in certain cases, particularly the physical sciences, is very apparent. Consider, for example, the reactions involving nitrogen and oxygen atoms. Research in this field dates back at least fifty years to Lord Rayleigh's studies of discharged nitrogen and also to the considerable amount of qualitative data obtained two or three decades ago by workers such as Harteck and Kopsch, Geib, Rodebush, etc." --
Book Synopsis Surface Recombination Efficiencies in Flows Containing Step-function Increases in Atomic Oxygen by : Albert L. Myerson
Download or read book Surface Recombination Efficiencies in Flows Containing Step-function Increases in Atomic Oxygen written by Albert L. Myerson and published by . This book was released on 1968 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made of the initial interaction of atomic oxygen with various metals in steady flows which provide a step-function increase, or pulse, in the atom concentration. The observations were made by means of thin-film resistance thermometry. The results are presented under three categories as follows: surface recombination efficiencies, atom concentrations, and recombination heat transfer rate.
Book Synopsis Three-Body Recombination of Oxygen Atoms (Classic Reprint) by : Ernest Bauer
Download or read book Three-Body Recombination of Oxygen Atoms (Classic Reprint) written by Ernest Bauer and published by Forgotten Books. This book was released on 2018-02-10 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Three-Body Recombination of Oxygen Atoms Two atoms can recombine to form a molecule in the presence of some third body such as an atom or molecule (or even a wall, but we shall not consider this case), or else radiatively. In practice, three-body non radiative recombination is an important and interesting process which has considerable practical importance in the ionosphere, in shock wave relaxation, and in combustion; in fact three-body recombination is the prototype of an important class of chemical reactions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Recombination of Oxygen Atoms at Surfaces by : J. C. Greaves
Download or read book Recombination of Oxygen Atoms at Surfaces written by J. C. Greaves and published by . This book was released on 1959 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis THE RECOMBINATION OF OXYGEN ATOMS AT HIGH TEMPERATURES AS MEASURED BY SHOCK TUBE DENSITOMETRY. by :
Download or read book THE RECOMBINATION OF OXYGEN ATOMS AT HIGH TEMPERATURES AS MEASURED BY SHOCK TUBE DENSITOMETRY. written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recombination Between Carbon Monoxide and Excited Oxygen Atoms by : Atomic Energy Research Establishment (Harwell, England)
Download or read book Recombination Between Carbon Monoxide and Excited Oxygen Atoms written by Atomic Energy Research Establishment (Harwell, England) and published by . This book was released on 1965 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetic Studies of O(1S) Formation from Atomic Oxygen Recombination by : Peter Thomas Wassell
Download or read book Kinetic Studies of O(1S) Formation from Atomic Oxygen Recombination written by Peter Thomas Wassell and published by . This book was released on 1981 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Oxygen Recombination on Metallic Surfaces by Means of an Atomic Beam by : Stuart Alfred Hoenig
Download or read book A Study of Oxygen Recombination on Metallic Surfaces by Means of an Atomic Beam written by Stuart Alfred Hoenig and published by . This book was released on 1961 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Atomic-oxygen Recombination Rates by : C. B. Kretschmer
Download or read book Investigation of Atomic-oxygen Recombination Rates written by C. B. Kretschmer and published by . This book was released on 1959 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rate constants for oxygen were determined at 350K and shock tube experiments were performed. An investigation of the feasibility of the atomic-oxygen ramjet led to the conclusion that flight at orbital velocity is impossible because of diffuser losses. Flight at Mach 2 is marginally feasible, but at any velocity less than orbital, the payload capacity is essentially zero.
Book Synopsis Utilization of Upper-atmosphere Atomic-oxygen Recombination for Propulsion by : A. Zukerman
Download or read book Utilization of Upper-atmosphere Atomic-oxygen Recombination for Propulsion written by A. Zukerman and published by . This book was released on 1959 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trajectory Studies of Atomic Recombination Reactions. Vi. Recombination of Oxygen Atoms in Argon by : National Research Council of Canada. Reprints
Download or read book Trajectory Studies of Atomic Recombination Reactions. Vi. Recombination of Oxygen Atoms in Argon written by National Research Council of Canada. Reprints and published by . This book was released on 1974 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nitrogen and Oxygen Atom Recombination at Oxide Surfaces and Effect of a Tesla Discharge on Recombination Heat Transfer by : George M. Prok
Download or read book Nitrogen and Oxygen Atom Recombination at Oxide Surfaces and Effect of a Tesla Discharge on Recombination Heat Transfer written by George M. Prok and published by . This book was released on 1963 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
