Abstract
The cooling of buildings and homes, necessary to achieve comfort in northwestern Mexico, where the summer weather is usually very warm and dry, demands a very high electricity budget. The need for refrigeration is high because it extends for much of the year, day and night. Natural thermosiphon convection cooling provides relief without operational cost. To explore this option, a thermosiphon cooling circuit was experimentally tested. The experimental configuration includes a 1.52 m2 flat plate copper radiator along with a 50 kg water tank with thermal insulation, in Mexico City. Temperature records allow the validation of a simple mathematical model of concentrated parameters. The model is used to perform a sensitivity analysis, to anticipate performance in other geographical locations, other climate, and various apparatus sizes. The cooling thermosiphon seems to offer an attractive complement to commercial air conditioning equipment to save electricity.
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