An experimental technique to study high overpressure dust lofting. Final report, 1 Mar 1973--1 Jan 1975
Technical Report
·
OSTI ID:7251242
A blast wave duct facility was designed and constructed for the purpose of investigating dust lofting phenomena at high overpressure. This facility can provide a blast wave flow field environment at overpressures from a few psi up to the design limit imposed for the test section of 1000 psi. An explosive driver is used to create high pressure blast wave flow in atmospheric air. The variations in the explosive driver parameters (i.e., diameter, length, type of explosive) coupled with the configuration of the blast duct can provide airblast waves that simulate a 1-MT surface burst pressure wave over a scale range of about 1/30 to 1/10. Several diagnostic techniques were considered and evaluated with regard to their ability to measure dust lofting parameters. A promising technique is the long pulse X-ray system developed to obtain the density-time history of the lofted dust.
- Research Organization:
- Physics International Co., San Leandro, Calif. (USA)
- OSTI ID:
- 7251242
- Report Number(s):
- AD-A-022098; PIFR-531
- Country of Publication:
- United States
- Language:
- English
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