Three-Body Recombination of Oxygen Atoms (Classic Reprint) PDF Download
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Author: Ernest Bauer
Publisher: Forgotten Books
ISBN: 9780656251452
Category : Science
Languages : en
Pages : 44
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Book Description
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.
Author: Ernest Bauer
Publisher: Forgotten Books
ISBN: 9780656251452
Category : Science
Languages : en
Pages : 44
Get Book Here
Book Description
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.
Author: Ernest Bauer
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Sławomir Wiak
Publisher: IOS Press
ISBN: 1607506033
Category : Science
Languages : en
Pages : 968
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Book Description
Computer Field Models of Electromagnetic Devices, volume 34 in the book series Studies in Applied Electromagnetics and Mechanics is devoted to modeling and simulation, control systems, testing, measurements, monitoring, diagnostics and advanced software
Author: Lewis Gregory Hogan
Publisher:
ISBN:
Category : Oxygen
Languages : en
Pages : 228
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Book Description
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: Richard A. Craig
Publisher: Academic Press
ISBN: 1114571555
Category :
Languages : en
Pages : 523
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Author: Andrew F. Nagy
Publisher: Springer Science & Business Media
ISBN: 0387878254
Category : Science
Languages : en
Pages : 451
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Book Description
Andrew F. Nagy Originally published in the journal Space Science Reviews, Volume 139, Nos 1–4. DOI: 10. 1007/s11214-008-9353-0 © Springer Science+Business Media B. V. 2008 Keywords Aeronomy The term “aeronomy” has been used widely for many decades, but its origin has mostly been lost over the years. It was introduced by Sydney Chapman in a Letter to the Editor, entitled “Some Thoughts on Nomenclature”, in Nature in 1946 (Chapman 1946). In that letter he suggested that aeronomy should replace meteorology, writing that the word “meteor is now irrelevant and misleading”. This proposal was apparently not received with much support so in a short note in Weather in 1953 Chapman (1953)wrote: “If, despite its obvious convenience of brevity in itself and its derivatives, it does not commend itself to aeronomers, I think there is a case for modifying my proposal so that instead of the word being used to signify the study of the atmosphere in general, it should be adopted with the restricted sense of the science of the upper atmosphere, for which there is no convenient short word. ” In a chapter, he wrote in a 1960 book (Chapman 1960), he give his nal and de nitive de nition, by stating that “Aeronomy is the science of the upper region of the atmosphere, where dissociation and ionization are important”. The Workshop on “Comparative Aeronomy” was held at ISSI during the week of June 25–29, 2007.
Author: T. J. Keneshea
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 158
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Book Description
With the availability of numerical techniques for solving an extensive set of nonlinear differential equations and high-speed computers for performing the calculations, interest in solving the unrestricted reaction-rate equations is growing among ionospheric researchers. In view of this a refinement is given of the techniques previously developed in PB-163 071 and AD-424 173. The computer code is written to solve the photochemical behavior of 15 atmospheric species; these species are electrons, O( - ), O2( - ), O3( - ), NO2( - ), O(+), O2(+), N2(+), NO(+), NO, N, NO2, O3, N2O, and O. Built into the code are 168 reactions that can conceivably take place among these constituents. Several examples of the results obtained using the code are presented, including the buildup of ionization from zero concentrations at altitudes in the D and E regions and the deionization of an atmosphere with high initial electron densities. The diurnal variation of the atmospheric constituents is also presented along with profiles for the above-mentioned species from 60 km to 120 km. The computer codes are included in their entirety with complete explanations on their usage. (Author).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The rate for the three-body recombination of an electron and an oxygen atomic ion, with a nitrogen atom acting as third body that takes up the excess energy, was calculated by the quantum mechanical distorted wave method. The calculation was performed numerioally on IBM 7090 computers for electron and heavy particle energies below 1 ev, and for the electron captured into states characterized by principal quantum numbers n = 6, 10. The results for the recombination coefficient summed over all possible orbital quantum numbers of the bound electron are 10-28cm6/sec for n = 6 and 10-26 cm6/sec for n = 10. (auth).
Author: Jet Propulsion Laboratory (U.S.)
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 904
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Author: L. G. Piper
Publisher:
ISBN:
Category : Microwaves
Languages : en
Pages : 54
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Book Description
We have studied the products of Ar/N20 microwave discharges to determine their fitness as sources of atomic oxygen in discharge-flow reactors. For N20 feed rates below 10-20 micromol s−1, the discharge converts about 75 percent of the N20 to atomic oxygen, and in addition, produces small quantities of atomic nitrogen, generally less than 10 percent of the 0-atom product. At higher N20 feed rates the 0-atom production efficiency decreases, and some nitric oxide accompanies the 0-atoms out of the discharge.
