Statistics – Computation
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jfm...173..545b&link_type=abstract
(IUTAM, Symposium on Fluid Mechanics in the Spirit of G. I. Taylor, Cambridge, England, Mar. 24-28, 1986) Journal of Fluid Mecha
Statistics
Computation
26
Angular Velocity, Annuli, Asymptotic Methods, Computational Fluid Dynamics, Convective Heat Transfer, Cylindrical Shells, Nonlinear Equations, Planetary Waves, Rayleigh Number
Scientific paper
The problem of convection in a rotating cylindrical annulus heated from the outside and cooled from the inside is considered in the limit of high rotation rates. The constraint of rotation enforces the two-dimensional character of the motion when the angle of inclination of the axisymmetric end surfaces with respect to the equatorial plane is small. Even when the angle of inclination is large only the dependences on the radial and the azimuthal coordinates need to be considered. The dependence on time at the onset of convection is similar to that of Rossby waves. But at higher Rayleigh numbers a transition to vacillating solutions occurs. In the limit of high rotation rates simple equations can be derived which permit the reproduction and extension of previous numerical results.
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