Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986avest..19..289g&link_type=abstract
(Astronomicheskii Vestnik, vol. 19, Oct.-Dec. 1985, p. 289-295) Solar System Research (ISSN 0038-0946), vol. 19, no. 4, April 19
Astronomy and Astrophysics
Astronomy
Atmospheric Heat Budget, Atmospheric Turbulence, Planetary Temperature, Thermosphere, Venus Atmosphere, Atmospheric Composition, Atmospheric Density, Atmospheric Models, Night Sky, Turbulent Heat Transfer
Scientific paper
The role of turbulence in the nightside Venus thermosphere is discussed and basic turbulence values are determined. Height profiles of temperature and concentrations of CO2, CO, O, H2O, N2 and He are calculated with a one-dimensional steady state model, using IR data for CO2 at 15 microns, the H2O and CO rotational bands, and from O at 63 microns. An implicit conservative monotone difference scheme is used to integrate the energy balance, diffusion and gravitational equilibrium approximation equations for the gas components to model the turbulence parameters. The uniqueness of the solutions is also proven. The diffusion coefficients generated for atomic oxygen and helium agrees well with previous experimental data, thereby improving the understanding of turbulent heat conductivity and energy dissipation for assessing the thermal state of the Venusion nightside thermosphere.
Gordiets B. F.
Kulikov Iu. N.
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