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Results from the Atomic Oxygen Experiment on the STRV-1a spacecraft

Results from the Atomic Oxygen Experiment on the STRV-1a spacecraft
Results from the Atomic Oxygen Experiment on the STRV-1a spacecraft
Anexperiment to makein situ measurements of thermospheric atomicoxygen fluxes andtheir effect on some common spacecraft materials has been flown in orbit on board the SpaceTechnology Research Vehicle 1amicrosatellite. The results from active sensors were based on resistance measurements of silver films and were interpreted relative to space simulationsmade in a ground-based pulsed laser atomic oxygen source. It was concluded that silver resistance sensors can be used to measure atomic oxygen fluxes but are best suited to low flux environments, e.g., <10(14) atoms cm-2 s-1. Some silver sensors were overlaid with thin coatings to measure the erosion resistance of the coating materials. It was found that erosion rates were affected by the structure of the materials; this structure must therefore be taken into account in experiment and spacecraft design.
0022-4650
647-652
Harris, I.L.
06a4182b-467d-4b99-9e4b-794cc91e7ffe
Chambers, A.R.
c6029372-f78a-4f0f-8c80-dfcf1ddf5dbf
Roberts, G.T.
7fb6b314-969b-412d-aed6-0d15fd5624fb
Harris, I.L.
06a4182b-467d-4b99-9e4b-794cc91e7ffe
Chambers, A.R.
c6029372-f78a-4f0f-8c80-dfcf1ddf5dbf
Roberts, G.T.
7fb6b314-969b-412d-aed6-0d15fd5624fb

Harris, I.L., Chambers, A.R. and Roberts, G.T. (1998) Results from the Atomic Oxygen Experiment on the STRV-1a spacecraft. Journal of Spacecraft and Rockets, 35 (5), 647-652.

Record type: Article

Abstract

Anexperiment to makein situ measurements of thermospheric atomicoxygen fluxes andtheir effect on some common spacecraft materials has been flown in orbit on board the SpaceTechnology Research Vehicle 1amicrosatellite. The results from active sensors were based on resistance measurements of silver films and were interpreted relative to space simulationsmade in a ground-based pulsed laser atomic oxygen source. It was concluded that silver resistance sensors can be used to measure atomic oxygen fluxes but are best suited to low flux environments, e.g., <10(14) atoms cm-2 s-1. Some silver sensors were overlaid with thin coatings to measure the erosion resistance of the coating materials. It was found that erosion rates were affected by the structure of the materials; this structure must therefore be taken into account in experiment and spacecraft design.

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Published date: 1998

Identifiers

Local EPrints ID: 21316
URI: http://eprints.soton.ac.uk/id/eprint/21316
ISSN: 0022-4650
PURE UUID: 8568f7cd-4b6d-48f5-8bd8-f54edf111327

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Date deposited: 23 Nov 2006
Last modified: 22 Jul 2020 16:39

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Contributors

Author: I.L. Harris
Author: A.R. Chambers
Author: G.T. Roberts

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