Thermodynamic analysis and optimization of a novel combined power and ejector refrigeration cycle – Desalination system

Mohsen Sadeghi, Mortaza Yari, S.M.S. Mahmoudi and Moharram Jafari

Applied Energy, 2017, vol. 208, issue C, No S0306261917314617, 239-251

Abstract: A novel multi-generation hybrid system is proposed and analyzed in details from the viewpoint of thermodynamics. Using a zeotropic mixture as working fluid, the system consists of a power and ejector refrigeration cycle as well as a desalination system based on humidification and dehumidification processes. A parametric study is performed to specify the decision variables influencing the system performance prior to the optimization process. The optimization is conducted in two cases. In the first case, a single-objective optimization is carried out to maximize the overall exergy efficiency. In the second case, a multi-objective optimization is accomplished considering the net output power and refrigeration capacity as the objective functions.

Keywords: Exergy; Multi-generation system; Ejector; Zeotropic mixture; Desalination (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1016/j.apenergy.2017.10.047

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