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Calculation of sheath and wake structure about a pillbox-shaped spacecraft in a flowing plasmaA computer program was used for studies of the disturbed zones around bodies in flowing plasmas, particularly spacecraft and their associated sheaths and wakes. The program solved a coupled Poisson-Vlasov system of nonlinear partial differential integral equations to obtain distributions of electric potential and ion and electron density about a finite length cylinder in a plasma flow at arbitrary ion Mach numbers. The approach was applicable to a larger range of parameters than other available approaches. In sample calculations, bodies up to 100 Debye lengths in radius were treated, that is, larger than any previously treated realistically. Applications were made to in-situ satellite experiments.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Parker, L. W.
(Parker (Lee W.), Inc. Concord, MA, United States)
Date Acquired
August 9, 2013
Publication Date
February 24, 1977
Publication Information
Publication: NASA. Lewis Res. Center Proc. of the Spacecraft Charging Technol. Conf.
Subject Category
Launch Vehicles And Space Vehicles
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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