Abstract
This paper deals with the optimization of the geometrical characteristics of an integrated solar collector with truncated CPC reflectors that could operate during low insulation periods and provide hot water at a temperature range for domestic use with acceptable thermal performances. For this target, three independent parameters which are the height of the upper stage concentrator H, the parabolic sections axes tilt angle θ and the storage tank absorber length Lab are used to model the studied system. To optimize its geometric characteristics, the method of two-level experience design is used. Then, the useful energy, the maximum water temperature and the overall thermal efficiency are simulated through a written Matlab code. The obtained results show that when Lab=1.6m, H=0.20m and θ=35°, the system reaches its optimal thermal performances.
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