Transient plasma sheath model for thin conductors excited by negative high voltages with application to electrodynamic tethers

Sven G. Bileén, Brian E. Gilchrist

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The electrodynamic tether is a powerful new tool for in-space propulsion and in situ ionospheric research. To fully exploit its potential, knowledge of both its steady-state and transient electrical responses is needed. The tether's transient response is governed by the interaction of the tether and its endpoints with the surrounding ionospheric plasma. Presented here is an improved model of the plasma-tether interaction that accounts for high-induced voltages and a dynamic nonlinear sheath. In this work, the model for the plasma-tether system was developed analytically and verified via particle-in-cell simulations and through experimental data. The model is valid in the temporal regime between the ion and electron plasma periods, and for large negative applied voltages. The model is based on an ion-matrix-sheath that is a function of applied voltage. Although the investigation was geared toward electrodynamic tethers, it also has application to other areas of research that employ the dynamic nature of the plasma sheath.

Original languageEnglish (US)
Pages (from-to)2058-2074
Number of pages17
JournalIEEE Transactions on Plasma Science
Volume28
Issue number6
DOIs
StatePublished - Dec 2000

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plasma sheaths
electrodynamics
high voltages
conductors
sheaths
ionospherics
electric potential
plasma interactions
transient response
electron plasma
propulsion
ions
matrices
cells
simulation
interactions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

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Transient plasma sheath model for thin conductors excited by negative high voltages with application to electrodynamic tethers. / Bileén, Sven G.; Gilchrist, Brian E.

In: IEEE Transactions on Plasma Science, Vol. 28, No. 6, 12.2000, p. 2058-2074.

Research output: Contribution to journalArticle

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