Parametric analysis for a new combined power and ejector–absorption refrigeration cycle

Jiangfeng Wang, Yiping Dai, Taiyong Zhang and Shaolin Ma

Energy, 2009, vol. 34, issue 10, 1587-1593

Abstract: A new combined power and ejector–absorption refrigeration cycle is proposed, which combines the Rankine cycle and the ejector–absorption refrigeration cycle, and could produce both power output and refrigeration output simultaneously. This combined cycle, which originates from the cycle proposed by authors previously, introduces an ejector between the rectifier and the condenser, and provides a performance improvement without greatly increasing the complexity of the system. A parametric analysis is conducted to evaluate the effects of the key thermodynamic parameters on the cycle performance. It is shown that heat source temperature, condenser temperature, evaporator temperature, turbine inlet pressure, turbine inlet temperature, and basic solution ammonia concentration have significant effects on the net power output, refrigeration output and exergy efficiency of the combined cycle. It is evident that the ejector can improve the performance of the combined cycle proposed by authors previously.

Keywords: Ammonia–water; Combined cycle; Parametric analysis; Waste heat recovery (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (31)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:34:y:2009:i:10:p:1587-1593

DOI: 10.1016/j.energy.2009.07.004

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