From the standpoint of offering reference for its optimal design, liquid-gas ejector is applied to absorption refrigerator in order to improve mass transfer efficiency. The experimental performance of ejector driven by aqueous LiBr solution was investigated. The experimental results indicate that the diffuser with larger diameter of throat could improve the system cooling capacity while reducing the volume of absorber; the larger diameter of the mixing chamber could improve the cooling capacity, but the extent of improvement is little and the required absorber volume per kW of cooling capacity greatly is increased.
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