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Temporal Evolution of the Plasma Sheath Surrounding Solar Cells in Low Earth Orbit
NTRS Full-Text: Click to View  [PDF Size: 92 KB]
Author and Affiliation:
Willis, Emily M.(NASA Marshall Space Flight Center, Huntsville, AL, United States);
Pour, Maria Z. A.(Alabama Univ., Huntsville, AL, United States)
Abstract: High voltage solar array interactions with the space environment can have a significant impact on array performance and spacecraft charging. Over the past 10 years, data from the International Space Station has allowed for detailed observations of these interactions over long periods of time. Some of the surprising observations have been floating potential transients, which were not expected and are not reproduced by existing models. In order to understand the underlying processes producing these transients, the temporal evolution of the plasma sheath surrounding the solar cells in low Earth orbit is being investigated. This study includes lumped element modeling and particle-in-cell simulation methods. This presentation will focus on recent results from the on-going investigations.
Publication Date: May 16, 2017
Document ID:
20170005367
(Acquired Jun 16, 2017)
Subject Category: SOLAR PHYSICS
Report/Patent Number: M17-5871
Document Type: Conference Paper
Publication Information: (SEE 20170005319)
Meeting Information: Applied Space Environments Conference 2017; 15-19 May 2017; Huntsville, AL; United States
Meeting Sponsor: NASA; Washington, DC, United States
Universities Space Research Association; Huntsville, AL, United States
Financial Sponsor: NASA Marshall Space Flight Center; Huntsville, AL, United States
Organization Source: NASA Marshall Space Flight Center; Huntsville, AL, United States
Description: 1p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution as joint owner in the copyright
NASA Terms: PLASMA SHEATHS; SOLAR ARRAYS; SOLAR CELLS; LOW EARTH ORBITS; COMPUTERIZED SIMULATION; SIMULATION; REFINING
Availability Notes: Abstract Only
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