A Kalina cycle with ejector

Xinguo Li, Qilin Zhang and Xiajie Li

Energy, 2013, vol. 54, issue C, 212-219

Abstract: A Kalina cycle with ejector (EKalina cycle) is proposed in this paper. In the EKalina cycle, an ejector is used to substitute for the throttle valve and the absorber in the Kalina cycle system 11 (KCS 11). The exhaust pressure of the expander is decreased by the ejector resulted in an increase of the working pressure difference of the expansion, and to increase the power output and the thermal efficiency of the cycle. The thermodynamic analyses and comparisons between the EKalina cycle and the KCS 11 are conducted on the cycle's power output, thermal efficiency with the low-grade heat source (LGHS). Water is chosen as the LGHS fluid, and the same temperature and mass flow rate of the water is the standard condition for the comparative analysis on the EKalina cycle and the KCS 11. Results show that the net power output and thermal efficiency of the EKalina cycle are higher than that of the KCS 11.

Keywords: Kalina cycle with ejector (EKalina cycle); Ejector; Kalina cycle system 11 (KCS 11); Power output; Thermal efficiency (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (18)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:54:y:2013:i:c:p:212-219

DOI: 10.1016/j.energy.2013.03.040

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