Computer Science – Numerical Analysis
Scientific paper
Jul 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mit..reptq....s&link_type=abstract
Final Technical Report Massachusetts Inst. of Tech., Cambridge. Dept. of Meteorology.
Computer Science
Numerical Analysis
Atmospheric Circulation, Mathematical Models, Numerical Analysis, Three Dimensional Flow, Venus Atmosphere, Atmospheric Models, Boussinesq Approximation, Diurnal Variations, Flow Velocity, Meridional Flow, Zonal Flow (Meteorology)
Scientific paper
The moving flame effect which describes the role of a moving periodic heat source in forcing a mean zonal flow was reconsidered as a possble driving mechanism for the 4-day circulation on Venus. Because the observed Venus cloud top dirunal and meriodional temperature gradients are comparable, the three dimensional aspects of the flow are of interest. This is accomplished by allowing the zonally moving heat source to have a simple latitudinal variation. The linear and nonliner models used to study the problem are Boussinesq and are bounded from above and below by flat horizontal plates. A model to describe the moving flame effect for the parameter range of Venus must be fully nonlinear. A low order spectral model for a fluid confined to a spherical shell was developed. Initial computations with the mean field form of the model are discussed.
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