Large Space Structure Charging During Eclipse Passage PDF Download

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Large Space Structure Charging During Eclipse Passage

Large Space Structure Charging During Eclipse Passage PDF Author: David M. Gauntt
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 44

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Book Description
Much work has been developed to the study of the differential charging of geosynchronous spacecraft, primarily that charging caused by injection events and uneven illumination of isolated surfaces. However, as the lack of illumination in the penumbra eliminates the latter problem, little attention has been paid to charging during eclipse passage. For a sufficiently large structure (length greater than 1 km), the gradient of illumination in the penumbra is large enough to contribute significantly to differential charging. In this paper, three main subjects will be discussed: (1) the causes of charging at geosynchronous altitudes; (2) a simple model of the plasma from which the differential charging equations can be derived; and (3) the results of a computer program based on these equations, together with several theoretically fit sets of equations to approximate the results. (Author).