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A Technique For Solving The General Reaction Rate Equations In The Atmosphere
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Book Synopsis A Technique for Solving the General Reaction-rate Equations in the Atmosphere by : T. J. Keneshea
Download or read book A Technique for Solving the General Reaction-rate Equations in the Atmosphere written by T. J. Keneshea and published by . This book was released on 1967 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Book Synopsis A Technique for Solving the General Reaction-rate Equations in the Atmosphere by : Thomas J. Keneshea
Download or read book A Technique for Solving the General Reaction-rate Equations in the Atmosphere written by Thomas J. Keneshea and published by . This book was released on 1967 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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)
Book Synopsis A Solution to the Reaction Rate Equations in the Atmosphere Below 150 Kilometers by : Thomas J. Keneshea
Download or read book A Solution to the Reaction Rate Equations in the Atmosphere Below 150 Kilometers written by Thomas J. Keneshea and published by . This book was released on 1963 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis A Solution to the Reaction Rate Equations in the Atmosphere Below 150 Kilometers by : T. J. Keneshea
Download or read book A Solution to the Reaction Rate Equations in the Atmosphere Below 150 Kilometers written by T. J. Keneshea and published by . This book was released on 1963 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Book Synopsis Solutions of Reaction Rate Equations Pertaining to Electron Irradiation of 4:1 Mixtures of N2 and O2 by : Frankline E. Niles
Download or read book Solutions of Reaction Rate Equations Pertaining to Electron Irradiation of 4:1 Mixtures of N2 and O2 written by Frankline E. Niles and published by . This book was released on 1967 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Download or read book Chemistry 2e written by Paul Flowers and published by . This book was released on 2019-02-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition.
Download or read book OAR Progress written by and published by . This book was released on 1963 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Solution to the Reaction Rate Equations in the Atmosphere Below 150 Km by : Thomas J. Keneshea
Download or read book A Solution to the Reaction Rate Equations in the Atmosphere Below 150 Km written by Thomas J. Keneshea and published by . This book was released on 1963 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1975 with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)
Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1967 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1965 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Research Papers written by and published by . This book was released on with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EXCEDE II written by Robert R. O'Neil and published by . This book was released on 1976 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: EXCEDE is a program designed to study atmospheric infrared emissive processes induced by a rocketborne electron accelerator in the altitude range 80 to 140 km. The primary scientific interest is the investigation of the detailed production and loss processes of various excited electronic and vibrational states resulting in optical and infrared emission as energetic primary electrons and their secondary and all subsequent generation electrons are stopped in the atmosphere. The electron-induced optical and infrared emissions simulate natural auroral processes with the very significant advantage that the dosing conditions of electron energy and power, deposition volume and altitude, and dosing duration are parameters that may be controlled and monitored. To date, three payloads have been launched in the EXCEDE series of artificial auroral experiments. The program status is reviewed and a follow on experiment, EXCEDE II, is described. Both rocket-based and ground-based imaging and spectro-radiometric instruments are proposed. The feasibility of the scientific approach, the magnitude of the atmospheric emissions, the capabilities of ground-support systems, and the engineering design of the proposed experiment are extensions of the technology base established in the earlier EXCEDE launches. (Author).
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Review by : United States. Air Force. Office of Aerospace Research
Download or read book Research Review written by United States. Air Force. Office of Aerospace Research and published by . This book was released on 1967 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Review written by and published by . This book was released on 1967-08 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of Meeting on Operation PCA 69 by : James C. Ulwick
Download or read book Proceedings of Meeting on Operation PCA 69 written by James C. Ulwick and published by . This book was released on 1970 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Operation PCA 69 was a coordinated rocket, satellite, aircraft and ground measurement program designed to study the physical chemistry of the ionospheric D-region in conjunction with an by means of a solar proton event. During the event of 2 November 1969 a total of 36 rockets were launched at Churchill, Canada over a two-day period in coordinated series for the measurement of various atmospheric parameters with emphasis on the night-day variations, but including measurements during the transition periods of sunrise and sunset. In addition, 11 rockets were launched to provide certification and background information. Electron and proton flux measurements were made on several satellites. Ground measurements including 30 MHz riometers, magnetometer, ionosonde, and partial reflection experiments were made at Churchill during the period, and aircraft optical measurements were made on 2 November 1969. A conference was held at Boston College, Massachusetts on 31 March and 1 April 1970 to assess the quantity and quality of the data. Preliminary results are presented either as papers or summaries.
