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Capture of hypervelocity particles with low-density aerogel
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | See, Thomas H. Tsou, Peter Bernhard, Ronald B. Brownlee, Donald E. Haynes, Gerald Cintala, Mark J. Zolensky, Michael E. Hoerz, Friedrich |
| Copyright Year | 1998 |
| Description | Recent impact experiments conducted at Johnson Space Center supported a space-exposed flight instrument called the orbital debris collector (ODC) to see whether SiO2 acrogel performed adequately as a collector to capture cosmic dust particles and/or manmade debris, or whether additional development is needed. The first ODC was flown aboard the Mir for 18 months, while the second will be flown aboard a spacecraft (Stardust, to be launched in 1999) that will encounter the comet Wild 2 and return to Earth. Aerogels are highly porous materials that decelerate high-velocity particles without substantial melting or modifications to the particles' components; in other denser materials, these particles would melt or vaporize upon impact. The experimental data in this report must be considered somewhat qualitative because they are characterized by substantial, if not intolerable, scatter, possibly due to experimental difficulties in duplicating given sets of initial impact conditions. Therefore, this report is a chronological guide of the experimenters' attempts, difficulties, progress, and evaluations for future tests. |
| File Size | 29249521 |
| Page Count | 70 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19980137657 |
| Archival Resource Key | ark:/13960/t03z36d1v |
| Language | English |
| Publisher Date | 1998-04-01 |
| Access Restriction | Open |
| Subject Keyword | Comets Aerogels Melting Cosmic Dust Space Debris Hypervelocity Projectiles Porous Materials Accumulators Silicon Dioxide Hypervelocity Impact Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
