NASA NTRS · 19790046127
The decrease in effective photocurrents due to saddle points in electrostatic potentials near differentially charged spacecraft
Abstract
The reported investigation had the objective to illustrate the presence of important multidimensional effects in spacecraft charging. Two-dimensional codes have been under development by Parker (1976). A description is presented of a calculation which was performed using the three-dimensional NASA Charging Analyzer Program (NASCAP). NASCAP was run to calculate the electrostatic potentials on the surface of, and in the space surrounding, a sunlit Teflon-coated sphere. Currents to the sunlit surfaces were determined on the basis of an approximate photosheath model for strong differential charging.
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Mandell, M. J., Katz, I., Schnuelle, G. W., Steen, P. G., Roche, J. C.. 1978-12-01. The decrease in effective photocurrents due to saddle points in electrostatic potentials near differentially charged spacecraft. https://ntrs.nasa.gov/citations/19790046127
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