The Recombination of Atomic Oxygen in the Presence of Inert Gases PDF Download
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Author: James Ebenezer Morgan
Publisher:
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Category :
Languages : en
Pages :
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"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." --
Author: James Ebenezer Morgan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
"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." --
Author:
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Category : Nuclear energy
Languages : en
Pages : 680
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Author: R. S. Quiroz
Publisher: Springer
ISBN: 1935704370
Category : Science
Languages : en
Pages : 241
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The objectives of the American Meteorological Society are "the development and dissemination of knowledge of meteorology in all its phases and applications, and the advancement of its professional ideals." The organization of the Society took place in affiliation with the American Association for the Advancement of Science at Saint Louis, Missouri, December 29, 1919, and its incorporation, at Washington, D. C., January 21, 1920. The work of the Society is carried on by the Bulletin, the Journal, and Meteorological Monographs, by papers and discussions at meetings of the Society, through the offices of the Secretary and the Executive Secretary, and by correspondence. All of the Americas are represented in the membership of the Society as well as many foreign countries.
Author: Lewis Gregory Hogan
Publisher:
ISBN:
Category : Oxygen
Languages : en
Pages : 228
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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.
Author: H. L. PETERSEN
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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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).
Author: United States. National Aeronautics and Space Administration
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ISBN:
Category : Aeronautics
Languages : en
Pages : 16
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 16
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 602
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Book Description
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.
Author: Harold S. Johnston
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages : 62
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Author: Casimir J. Jachimowski
Publisher:
ISBN:
Category : Aerodynamics, Hypersonic
Languages : en
Pages : 16
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