A Computer Research Program for Solving the Reaction Rate Equations in the E Ionospheric Region PDF Download
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Author: Thomas J. Keneshea
Publisher:
ISBN:
Category : Computer programming
Languages : en
Pages : 92
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Author: Thomas J. Keneshea
Publisher:
ISBN:
Category : Computer programming
Languages : en
Pages : 92
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Book Description
Author: Thomas J. Keneshea
Publisher:
ISBN:
Category : Ionosphere
Languages : en
Pages : 88
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Book Description
In studies of the mechanisms responsible for the formation of the ionized regions of the atmos phere, one of the problems encountered is the solution of the set of differential equations describing the time dependence of the number density of the chemical species present. For simple cases where only one or two species are involved, there is no particular problem. When all the important constituents are included, however, the solution of these equations becomes very complex. A computer technique is pre sented that will solve any size set of these differential equations involving any number of chemical reactions. (Author).
Author: Frankline E. Niles
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 130
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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).
Author: Elmar R. Reiter
Publisher:
ISBN:
Category : Dynamic meteorology
Languages : en
Pages : 392
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 1416
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Author: T. J. Keneshea
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 158
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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:
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Category : Environmental geology
Languages : en
Pages : 166
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1278
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Author: Air Force Cambridge Research Laboratories (U.S.)
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ISBN:
Category : Geophysics
Languages : en
Pages : 264
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Author: United States. Air Force. Office of Aerospace Research
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 800
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