Onset of Manifest Convection in a Layer of Fluid with a Time-Dependent Surface Temperature
Author:
- 1 December 1969
- journal article
- Published by AIP Publishing in The Physics of Fluids
- Vol. 12 (12) , 2482-2487
Abstract
Experiments have been performed in deep layers of fluid in which the bottom surface temperature was increased at a constant rate. It was found that when the thermal boundary layer was only a small fraction of the total depth of the fluid layer, the onset of manifest convection was independent of the layer depth. The predictions of linear time-dependent theory that the time of onset of manifest convection should vary with the - 25 power of the rate of bottom surface temperature increase and that the horizontal spacing of the convection cells should vary with the - 15 power of the rate of bottom surface temperature increase were verified within reasonable limits.Keywords
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