Thermal behavior evaluation of solar dryers in a passive regime

Luis E. Mealla Sánchez, Julián D. Morales Olaciregui


This article presents the evaluation of the thermal behavior of three solar dryers in a passive flow regime designed for the environmental conditions of the Colombian Caribbean Coast. Field experiments were conducted to obtain thermal efficiency results that were compared with those supplied by a computer simulation. The latter was based on energy balances in each component of the dryers. Atmospheric data of the location on the days the field tests were carried out were used as input for a simulation created using specific open-source software. Consistency is observed between the results from the simulation and those obtained from direct measurement.


Renewable energy; solar dryer; passive regime; efficiency; computer simulation.

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