Thermoeconomic optimization of a renewable polygeneration system serving a small isolated community

Antonio Piacentino, Francesco Calise, Maria Vicidomini, Massimo Dentice D'Accadia

Risultato della ricerca: Articlepeer review

32 Citazioni (Scopus)


During the last years, special attention has been paid to renewable polygeneration technologies, able of simultaneously producing thermal, cooling, electrical energy and desalinated water from seawater. This paper focuses on an innovative polygeneration system driven by renewable energy sources, including the following technologies: hybrid photovoltaic/thermal collectors, concentrating parabolic trough (CPVT), a biomass heater, a single-stage absorption chiller and a multiple-effect distillation desalination system. The system is designed to cover the base load of an isolated small community. In previous papers, the dynamic simulation model about plant operation is discussed. In this paper, a detailed exergy, economic and environmental analysis of the plant is presented. In addition, the plant was optimized using different objective functions, applying the Design of Experiment (DoE) methodology which evaluates the sensitivity of the different objective functions with respect to the selected design parameters. The results show that an increase of the storage volume is generally negative, whereas increasing the solar field area involves an increase of the exergy destruction rate, but also an improvement of the CPVT exergy output provided; the final result is an increase of both the exergy efficiency and the economic profitability of the polygeneration system.
Lingua originaleEnglish
pagine (da-a)995-1024
Numero di pagine30
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

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