Environmental interactions and the SP-100 power system | Zendy

Dale C. Ferguson | Zendy

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Environmental interactions and the SP-100 power system

Author(s) -

Dale C. Ferguson

Publication year - 1993

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/10181314

Subject(s) - plasma , aerospace engineering , voltage , insulator (electricity) , high voltage , materials science , coating , electrical engineering , ground , power (physics) , electrical conductor , engineering physics , conductor , environmental science , optoelectronics , nanotechnology , engineering , physics , composite material , quantum mechanics

Interactions of the SP-100 power system with its expected ambient environments are defined. SP-100 payloads will float 100 V negative of the low Earth orbit (LEO) plasma. Choice of proper geometries and materials will prevent arcing at conductor-insulator junctions in LEO. Care in selecting surface coatings will prevent dielectric breakdown. Sputtering is a concern for long-duration LEO missions. Atomic oxygen durability of SP-100 materials will be tested in ground and flight tests. Evaluation of SP-100 in lunar and planetary environments has begun. The report of a recent workshop on Chemical and Electrical Interactions on Mars identified many of the primary interactions.

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