Computer Science – Sound
Scientific paper
Aug 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981natur.292..610k&link_type=abstract
Nature, vol. 292, Aug. 13, 1981, p. 610-613.
Computer Science
Sound
23
Atmospheric Chemistry, Chemical Composition, Photochemical Reactions, Satellite Sounding, Thermochemical Properties, Venus Atmosphere, Abundance, Pioneer Venus Spacecraft, Reaction Kinetics, Venera 11 Satellite, Venera 12 Satellite, Sulfuric Acid, Oxygen, Carbon Dioxide, Venus, Atmosphere, Mixing, Gases, Chemistry, Composition, Photochemistry, Transport, Density, Eddy Effects, Altitude, Boundary Layers, Clouds, Layers, Aerosols, Models, Particles
Scientific paper
The chemical composition of the subcloud atmosphere of Venus is studied in terms of thermochemical equilibrium calculations, comparison of typical mixing and chemical times, along with a rule governing the height-independent element mixing ratio in the absence of condensation. Calculations were made of the atmospheric photochemistry down to a height of 50 km, using transport effects and the number densities of CO2, H2O, HCl, SO2, and CO at the lower boundary; along with the rate coefficients of 102 reactions that include the catalytic cycles of COCl and COCl2 which accelerate O2 destruction and CO2 formation. Calculations show that sulfuric acid and sulfates are the second and third modes of particle size distribution in the middle and upper cloud layers, with the lower cloud layer perhaps consisting of AlCl3 and FeCl3.
Krasnopolsky Vladimir A.
Parshev V. A.
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