The ice Nucleus activity of exhaust particles generated from combustion of Space Shuttle propellant in small rocket motors has been measured. The activity at -20 C was substantially lower than that of aerosols generated by unpressurized combustion of propellant samples in previous studies. The activity decays rapidly with time and is decreased further in the presence of moist air. These tests corroborate the low effectivity ice nucleus measurement results obtained in the exhaust ground cloud of the Space Shuttle. Such low ice nucleus activity implies that Space Shuttle induced inadvertent weather modification via an ice phase process is extremely unlikely.
Ice Nucleus Activity Measurements of Solid Rocket Motor Exhaust Particles
1986
22 pages
Report
Keine Angabe
Englisch
LIDAR Stratospheric Solid Rocket Motor Exhaust Plume Measurements
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