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A continuous adsorption refrigerator, aiming for cold production to a fruit storage room installed in arid regions, is proposed. After cooling load estimation, a technical-economic study of different types of solar collectors was performed. Then, the dynamic performances of a solar-driven two-bed adsorption chiller are studied. Furthermore, this study shows that an optimal choice of the collector-type area and the operating conditions can reduce the global system cost and ensure better energy management. With 43.47 m  2  collectors’ area, a solar fraction of 55% is reached at cycle time (t cycle ) 1600s; however, 49% is obtained at t cycle  of 900s. With a total collectors’ area of 43.47 m 2 , a t cycle  of 1600s and a cooling water inlet temperature (T CW,in ) of 22°C, 60% of the cooling demand is solar produced. However, 57% is achieved at a t cycle  of 900s, 50.61 m 2  collectors’ area and T CW,in  of 25°C. Highlights The cooling load of a storage room used for indigenous fruit preservation was estimated.A technical-economic study of different types of solar collectors is carried out to choose the most suitable one.A detailed dynamic approach to the thermodynamics of a solar adsorption refrigerator according to the time-varying solar radiation intensity and climatic data were presented.The effect of solar collectors’ area and different operating conditions has been studied to optimise the global system performance and cost. The cooling load of a storage room used for indigenous fruit preservation was estimated. A technical-economic study of different types of solar collectors is carried out to choose the most suitable one. A detailed dynamic approach to the thermodynamics of a solar adsorption refrigerator according to the time-varying solar radiation intensity and climatic data were presented. The effect of solar collectors’ area and different operating conditions has been studied to optimise the global system performance and cost.

Dynamic performance analysis of a solar adsorption system: the effect of operating conditions and collectors’ area