Cryogenic Whole Air Sampler System.
Final rept. Sep 73-May 74,
EXCALIBUR CORP WALTHAM MASS
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A cryogenic whole air sampling device, capable of capturing and retaining an uncontaminated and as much as possible unaltered sample of air up to 140,000 feet is the desired end result of this investigation. The design for such a device is presented in detail along with some laboratory performance data. The design uses liquid nitrogen and liquid helium as the refrigerants, with reservoir capacities suitable for 20 hour flights, during which a 1 mol sample can be collected over a 1 hour period and returned frozen to the laboratory for analysis.
- Atmospheric Physics
- Physical Chemistry
- Test Facilities, Equipment and Methods