Abstract:
This paper studies the mathematical model of roof solar collector (RSC). The RSC composed of the upper and the lower plates. The upper plat is concrete tile and the lower plate is gypsum board. The air gap space is 10 cm. The angle inclination was fixed at 30°C from the horizontal plane. Assessment of the mathematical model by varied the air velocity (1.0, 1.5 and 2.0 m/s) on the top surface of the RSC. The under roof temperature and airflow rate were decreased about 3.0C and 5 m3/hr, respectively. In the meantime, the heat gain into the space room was decreased.