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Proceedings Paper

Impact of condensation upon LIDAR observables from aluminized solid propellant rocket contrails
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Paper Abstract

Lidar has been used to track the downwind dispersion of rocket launch contrails and also to determine the particle size distribution of the primary Al2O3 smoke particles in the contrail. However, the determination of primary particle size from such lidar measurements is complicated by the presence of secondary smoke in the contrail composed of aqueous hydrochloric acid droplets. In addition, the secondary smoke tends to condense upon the Al2O3 primary smoke particles in the form of a liquid coating, with the primary smoke particles acting as condensation nuclei. The potential effect of this liquid coating upon the lidar backscatter return from the rocket contrail is estimated using a standard light scattering model (BHCOAT) for two-zone core-mantle particles.

Paper Details

Date Published: 19 May 2006
PDF: 4 pages
Proc. SPIE 6214, Laser Radar Technology and Applications XI, 621408 (19 May 2006); doi: 10.1117/12.665049
Show Author Affiliations
Eric G. Rabarijaona, AEDC/DOS (United States)
Robert A. Reed, ATA Inc. (United States)

Published in SPIE Proceedings Vol. 6214:
Laser Radar Technology and Applications XI
Gary W. Kamerman; Monte D. Turner, Editor(s)

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