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Low earth orbital atomic oxygen micrometeoroid, and debris interactions with photovoltaic arrays
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Banks, Bruce A. Rutledge, Sharon K. Degroh, Kim K. |
| Copyright Year | 1991 |
| Description | Polyimide Kapton solar array blankets can be protected from atomic oxygen in low earth orbit if SiO sub x thin film coatings are applied to their surfaces. The useful lifetime of a blanket protected in this manner strongly depends on the number and size of defects in the protective coatings. Atomic oxygen degradation is dominated by undercutting at defects in protective coatings caused by substrate roughness and processing rather than micrometeoroid or debris impacts. Recent findings from the Long Duration Exposure Facility (LDEF) and ground based studies show that interactions between atomic oxygen and silicones may cause grazing and contamination problems which may lead to solar array degradation. |
| File Size | 2001718 |
| Page Count | 30 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19910020934 |
| Archival Resource Key | ark:/13960/t1fj7cf52 |
| Language | English |
| Publisher Date | 1991-08-01 |
| Access Restriction | Open |
| Subject Keyword | Spacecraft Propulsion And Power Kapton Trademark Solar Arrays Space Debris Surface Roughness Grazing Substrates Contamination Defects Thin Films Degradation Oxygen Atoms Low Earth Orbits Micrometeoroids Polyimides Protective Coatings Long Duration Exposure Facility Silicones Earth Orbits Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
