Mathematics
Scientific paper
Oct 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977p%26ss...25..941b&link_type=abstract
Planetary and Space Science, vol. 25, Oct. 1977, p. 941-946. Research supported by the Comision Nacional de Estudios Geoheliofi
Mathematics
Atmospheric Models, Free Convection, Mathematical Models, Oxygen, Ozone, Thermal Conductivity, Compressible Fluids, Gas Composition, Rayleigh Number, Two Dimensional Models, Vertical Distribution
Scientific paper
A non-steady, two-dimensional, compressible mathematical model of a fluid with constant viscosity and thermal conductivity is given in order to represent a thin atmospheric layer located at 60 km height, as a function of a known initial vertical distribution of temperature, chemical concentrations of minor components and assumed free boundary conditions. The purpose of this paper is to determine the influence of convective laminar processes in the vertical distribution of minor constituents in a thermal interface. Only three minor components are considered, atomic oxygen, molecular oxygen and ozone. Numerical solutions of the stated time-dependent convection problem for different Rayleigh numbers show a marked influence of the established flow pattern upon the distribution of minor constituents. In all cases, an enhancement of mean concentration gradients in relatively small regions adjacent to the warmer and colder boundaries was observed.
Boldes U.
Lerner J. C.
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