Density of the Atmosphere Above 120 Kilometers as Derived from Satellite Measurements PDF Download
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Author: James Anthony Degiovanni Publisher: ISBN: Category : Atmosphere, Upper Languages : en Pages : 138
Book Description
Satellite measurements have indicated that there are large time variations in density at heights above 200 km. These variations have been correlated with the level of activity of the sun, magnetic storms, and position on the earth relative to the sub-solar point. This paper is a survey of the use of satellite drag perturbations to measure atmospheric density. It includes a discussion of three of the most important atmospheric models that have resulted from satellite measurements, concluding with the Static Diffusion Models by Luigi G. Jacchia of the Smithsonian Institute. An extensive bibliography is included. (Author).
Author: James Anthony Degiovanni Publisher: ISBN: Category : Atmosphere, Upper Languages : en Pages : 138
Book Description
Satellite measurements have indicated that there are large time variations in density at heights above 200 km. These variations have been correlated with the level of activity of the sun, magnetic storms, and position on the earth relative to the sub-solar point. This paper is a survey of the use of satellite drag perturbations to measure atmospheric density. It includes a discussion of three of the most important atmospheric models that have resulted from satellite measurements, concluding with the Static Diffusion Models by Luigi G. Jacchia of the Smithsonian Institute. An extensive bibliography is included. (Author).
Author: Orvel E. Smith Publisher: ISBN: Category : Artificial satellites Languages : en Pages : 32
Book Description
A re-entry space vehicle development program, such as Project Apollo, requires a knowledge of the variability of atmospheric density from the surface of the earth to re-entry altitude (120 km). This report summarizes the data on density given in the most recent literature on the subject. The range of atmospheric density with respect to the ARDC 1959 Model Atmosphere is determined and shown graphically. From the surface to 30 km altitude abundant information on density is available. From 30 to 90 km altitude the summarized reports of observations made at a limited number of stations have been used. Between 90 and 120 km altitude the density is somewhat speculative, there being but few measurements available. Therefore, the qualitative values for the variability of density above 30 km must be considered tentative. Variations of atmospheric density by latitude and seasons made it necessary to develop a family of curves rather than a single profile. Three curves are presented to show the range of density deviation versus altitudes with respect to the ARDC 1959 Model Atmosphere. Each curve is used for a specific latitude range and season.
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 750
Book Description
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.
Author: James Anthony Degiovanni
Author: James Anthony Degiovanni
Author: Orvel E. Smith
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Author: United States Committee on Extension to the Standard Atmosphere
Author: United States Committee on Extension to the Standard Atmosphere
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Author: United States Committee on Extension to the Standard Atmosphere
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