Loading...
Please wait, while we are loading the content...
Pristine stratospheric collections of cosmic dust
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Clemett, S. J. Nakamura-Messenger, K. Messenger, S. Keller, L. P. |
| Copyright Year | 2012 |
| Description | Since 1981, NASA has routinely collected interplanetary dust particles (IDPs) in the stratosphere by inertial impact onto silicone oil-coated flat plate collectors deployed on the wings of high-altitude aircraft [1]. The highly viscous oil traps and localizes the particles, which can fragment during collection. Particles are removed from the collectors with a micromanipulator and washed of the oil using organic solvents, typically hexane or xylene. While silicone oil is an efficient collection medium, its use is problematic. All IDPs are initially coated with this material (polydimethylsiloxane, n(CH3)2SiO) and traces of oil may remain after cleaning. The solvent rinse itself is also a concern as it likely removes indigenous organics from the particles. To avoid these issues, we used a polyurethane foam substrate for the oil-free stratospheric collection of IDPs. |
| File Size | 158488 |
| Page Count | 2 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20120001837 |
| Archival Resource Key | ark:/13960/t3033v112 |
| Language | English |
| Publisher Date | 2012-01-01 |
| Access Restriction | Open |
| Subject Keyword | High Altitude Traps Cosmic Dust Aerosols Stratosphere Collection Deployment Interplanetary Dust Polyurethane Foam Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
