Thermal Performance Of Hollow Clay Bricks For Ceiling Under Hot Climate 2 Conditions
Résumé: Due to extreme heat waves provoked by climate change, cooling demand in the building industry is increasing in 9 cooling-dominant countries. Air-conditioning applications consume over half of the energy used in residential 10 buildings. Thus, the present paper aims to investigate the potential of using three passive measures numerically into 11 hollow clay brick to reduce cooling energy consumption in residential buildings subjected to the climatic conditions 12 of Bechar city, Algeria. For this purpose, Ansys-Fluent software was used to study the heat transfer through 13 different configurations of HCB-8. The results reveal that Capric acid is a more effective PCM than n-Eicosane 14 and RT-42. Low emissivity coating and EPS could reduce the heat flow by about 55.3%, and 57.0.3% respectively. 15 Also, the outs come of the study showed that incorporating PCM and EPS into the brick simultaneously can reduce 16 the internal heat flux by about 73.7% and shift the external thermal wave across the indoor environment by about 5.5 17 h compared to the common hollow clay bricks
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