A Laboratory Simulation of Convective Vortices

D. E. Fitzjarrald Dept. of Meteorology, University of California, Los Angeles 90024

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Abstract

An experiment has been constructed which yields a vortex flow similar in many respects to atmospheric dust devils. Measurements were made of air velocity and temperature in the vortex core. These results were compared with a theoretical model of the flow, with velocities measured in real dust devils, and with the results of previous researchers who used a non-convective vortex. Observations were made of the different types of vortex flows found in the chamber and their dependence on the controlling parameters.

Abstract

An experiment has been constructed which yields a vortex flow similar in many respects to atmospheric dust devils. Measurements were made of air velocity and temperature in the vortex core. These results were compared with a theoretical model of the flow, with velocities measured in real dust devils, and with the results of previous researchers who used a non-convective vortex. Observations were made of the different types of vortex flows found in the chamber and their dependence on the controlling parameters.

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