MODELING SOLAR ABSORPTION CHILLING SYSTEM WORKED BY FLAT PLATE COLLECTOR OR TRACKED CONCENTRATED PARABOLIC DISH

Document Type : Original Article

Authors

1 Assist. Lecturer of Agric. Eng., Fac. of Agric. Eng., AL-Azhar Univ., Assiut, Egypt.

2 Prof. of Agric. Eng., Fac. of Agric. Eng., Al-Azhar Univ., Cairo, Egypt.

3 Prof. of Agric. Eng., Fac. of Agric. Eng., AL-Azhar Univ., Assiut, Egypt.

Abstract

The aim of the present study is to develop mathematical analysis for predicting the coefficient of performance of flat plate and concentrated parabolic dish solar collectors for driving absorption-chilling systems using water as heat exchange fluid, which is helpful in design, operation criterion, and for increasing the efficiency of research accomplishment. The prediction equation of the two studied chilling systems have coefficients of determinations ranged between 0.878, 0.875. It was also found the concentrated parabolic dish chilling system has highest values of the coefficient of performance. Linear relationships were justified for both flat plate solar collector and concentrated parabolic dish respectively with coefficient of determination of 0.9714 to 0.7866.

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