Abstract
A feasibility analysis of a water-lithium bromide absorber heat recovery (AHR) absorption cooling system, suitable for solar airconditioning is presented. In the proposed system the absorber heat (which is usually rejected to the surroundings in the conventional H 2OLiBr system) could be utilized to some extent for reducing the heat input requirement at the generator and hence improving the coefficient of performance. The analysis was carried out for the production of 278 K and 283 K evaporator temperatures with identical condenser and absorber temperatures of 303 K. The effects of generator temperature, condenser and absorber temperatures on the coefficient of performance and relative circulation are discussed. It is concluded that an absorber heat recovery cycle yields a higher COP as compared to the basic cycle at higher generator temperatures, unlike aqua-ammonia absorption systems.
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