A Technique for Solving the General Reaction-rate Equations in the Atmosphere PDF Download
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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: 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: Paul Flowers
Publisher:
ISBN: 9781947172623
Category : Chemistry
Languages : en
Pages : 0
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Book Description
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.
Author:
Publisher:
ISBN:
Category : Environmental geology
Languages : en
Pages : 358
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Book Description
Author: Robert R. O'Neil
Publisher:
ISBN:
Category : Atmosphere, Upper
Languages : en
Pages : 44
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Book Description
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).
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1062
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Author:
Publisher:
ISBN:
Category : Research
Languages : en
Pages : 28
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Author: United States. Air Force. Office of Aerospace Research
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 336
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Author: Air Force Cambridge Research Laboratories (U.S.)
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 192
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Book Description
This bibliography lists all in-house reports, journal articles, and contractor reports issued from 1 July 1966 to 30 September 1967. Part I lists all in-house reports by the series in which they were issued; Part II lists all in-house reports, journal articles, and contractor reports by the Laboratory responsible for their preparation. In Part I, the reports are listed numerically by series; in Part II, in-house reports and journal articles are listed alphabetically by author, and contractor reports are listed numerically by the AFCRL report number.
Author: James C. Ulwick
Publisher:
ISBN:
Category : Atmosphere, Upper
Languages : en
Pages : 230
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Book Description
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.
Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 784
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Book Description
