A Solution To The Reaction Rate Equations In The Atmosphere Below 150 Kilometers
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A Solution To The Reaction Rate Equations In The Atmosphere Below 150 Kilometers
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Author : Thomas J. Keneshea
language : en
Publisher:
Release Date : 1963
A Solution To The Reaction Rate Equations In The Atmosphere Below 150 Kilometers written by Thomas J. Keneshea and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Chemical kinetics categories.
One way to acquire a better understanding of the formation and destruction of ionization in the atmosphere is through the solution of the system of time-dependent reaction rate equations. These ordinary differential equations form a simultaneous set each question of which describes the time rate of change of a particular atmospheric constituent. In the general problem, all the molecules and atoms whether neutral, charged, or excited, as well as the free electrons would be included. A computer program is presented for developing the numerical solution to this problem. The method of solution of the set of equations uses a fourth order Runge Kutta integration with a variable mesh. When a species enters its quasi-equilibrium state, its differential equation is removed from the set and its equilibrium equation is inserted into the simultaneous algebraic set. The algebraic set is solved by the method of successive substitutions. The over-all solution is obtained by iteration between the differential and the algebraic sets. The ability of the computer program to develop extensive solutions is demonstrated by several examples taken under different conditions.
A Solution To The Reaction Rate Equations In The Atmosphere Below 150 Kilometers
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Author : T. J. Keneshea
language : en
Publisher:
Release Date : 1963
A Solution To The Reaction Rate Equations In The Atmosphere Below 150 Kilometers written by T. J. Keneshea and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Differential equations categories.
One way to acquire a better understanding of the formation and destruction of ionization in the atmosphere is through the solution of the system of time-dependent reaction rate equations. These ordinary differential equations form a simultaneous set, each equation of which describes the time rate of change of a particular atmospheric constituent. In the general problem, all the mol ecules and atoms whether neutral, charged, or excited, as well as the free electrons would be included. A computer program is presented for developing the numerical solution to this problem. The method of solution of the set of equations uses a fourth order Runge Kutta integration with a variable mesh. When a species enters its quasiequilibrium state, its differential equation is removed from the set and its equilibrium equation is inserted into the simultaneous algebraic set. The algebraic set is solved by the method of successive substitutions. The over-all solution is obtained by iteration between the differential and the algebraic sets. The ability of the computer program to develop extensive solutions is demonstrated by several examples taken under differentconditio conditions. (Author).
Solutions Of Reaction Rate Equations Pertaining To Electron Irradiation Of 4 1 Mixtures Of N2 And O2
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Author : Frankline E. Niles
language : en
Publisher:
Release Date : 1967
Solutions Of Reaction Rate Equations Pertaining To Electron Irradiation Of 4 1 Mixtures Of N2 And O2 written by Frankline E. Niles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Atmosphere categories.
One of the Keneshea computer codes (see AD-424 173) was adapted for use on the Ballistic Research Laboratories Electronic Scientific Computer. Using this modified code, reaction rate equations were solved for the following 15 species: e, NO2( - ), O( - ), O2( - ), O3( - ), N2(+), NO(+), O(+), O2(+), N, NO, N2O, NO2, O, and O3. The calculations were made for a 4:1 mixture of N2 and O2 at 1 torr total pressure and 300K. Rate constants as given by Keneshea and Fowler (see AD-646 975) were used. The solutions are presented as number densities versus time after the start of the irradiating electron beam. A description of the modified code is presented. (Author).
A Technique For Solving The General Reaction Rate Equations In The Atmosphere
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Author : T. J. Keneshea
language : en
Publisher:
Release Date : 1967
A Technique For Solving The General Reaction Rate Equations In The Atmosphere written by T. J. Keneshea and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Atmosphere categories.
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).
Meteorological And Geoastrophysical Abstracts
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Author :
language : en
Publisher:
Release Date : 1972
Meteorological And Geoastrophysical Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Cosmic physics categories.
Monthly Catalog Of United States Government Publications
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1964-07
Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964-07 with Government publications categories.
U S Government Research Reports
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Author :
language : en
Publisher:
Release Date : 1964
U S Government Research Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Science categories.
Monthly Catalog Of United States Government Publications Cumulative Index
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1979
Monthly Catalog Of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with United States categories.
Reaction Rate Compilation For The H O N System
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Author : Gilbert S. Bahn
language : en
Publisher:
Release Date : 1968
Reaction Rate Compilation For The H O N System written by Gilbert S. Bahn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Science categories.
Oar Cumulative Index Of Research Results
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Author : United States. Air Force. Office of Aerospace Research
language : en
Publisher:
Release Date : 1963
Oar Cumulative Index Of Research Results written by United States. Air Force. Office of Aerospace Research and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Aeronautics categories.