COMPARATIVE EFFICIENCY ANALYSIS OF COOLING POROUS PADS OF EXPANDED CLAY AND CELLULOSE USING WIND TUNNEL
DOI:
https://doi.org/10.13083/reveng.v19i6.107Keywords:
resfriamento evaporativo, painel evaporativo, eficiência de resfriamento, granulometria.Abstract
High temperature associated with open typology and lack of thermal isolation of animal sheds seriously affects productive performance of animals. Generally, in Brazil the cooling systems are based on evaporative adiabatic cooling processes with humid porous material pads associated with ventilation systems in tunnel mode. This study compares the efficiency of porous pads made from expanded clay (cinasita) or from cellulose pads (control). Pads of 60, 85 or 100 mm thickness, and two granulometries (grit 1 or grit 2) were used for all temperatures and airflow speeds. The results were analyzed according to hypothesis test of two means. The grit-1 pads were found to be most efficient. The 100 mm grit-2 pads also showed good performance.Downloads
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