This paper presents the simulation of a solar-powered absorption air conditioning system with the
absorption pair of lithium bromide and water. An attempt is made to increase the COP of the system by
partitioning a single storage tank into two parts. In the morning when sunshine is low, the upper part is
activated, and in the afternoon, the whole (upper and lower) tank is connected to the collector. The
analysis indicates that it is preferable to utilize a partitioned water tank rather than the normal strati®ed
water tank because the cooling eect can be realized much earlier compared to the normal strati®ed
water storage tank. Also, the overall cooling eciency (cooling load to total solar energy ratio) was
found to be higher for the partitioned storage air conditioning system. 7 2000 Elsevier Science Ltd. All
rights reserved.