Physics
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mist....6..123f&link_type=abstract
Microgravity Science and Technology (ISSN 0938-0108), vol. 6, no. 2, p. 123-130.
Physics
Condensing, Cosmic Dust, Microgravity, Digital Simulation, Supersaturation, Temperature Distribution, Vapor Phases, Zinc
Scientific paper
The condensation of solid materials from the vapor phase is important in several scientific fields such as chemical vapor deposition, air pollution and the formation of refractory cosmic dust around stars. Conventional studies of refractory grain formation, using high temperature furnace and shock tube techniques, are restricted to short time scales and suffer from buoyancy induced convection that limit their accuracy. In order to simulate more accurately the condensation of refractory grains near stars and to investigate the advantages of performing condensation studies in microgravity conditions, an experimental investigation was undertaken. This work reports the experimental equipment currently used. The results from the first flight series and particle aggregation modelling efforts are presented briefly.
Bussoletti Ezio
Carotenuto L.
Colangeli Luigi
Dell'Aversana P.
Ferguson Frank Thomas
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