Further developments in the theory of convective currents
Chase, Edgar M.
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The Haltiner theory of saturated steady state convective currents which Includes the transfer of heat and momentum by lateral diffusion as well as the entrainment of environmental air is discussed. A modified model is presented which includes, as a separate term, the drag of the liquid water carried along by the ascending current . The system of equations is integrated numerically for several cases previously considered by Haltiner allowing entrainment to assume negative values (detrainment ) and the results are compared „ The results are in good agreement, and show that the net effect of the opposing actions of liquid water drag and detrainment is a reduction in the computed vertical velocities. This reduction appears to be a correction in the right direction on the basis of a comparison to some observed data.
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