Thermodynamic evaluation of a SOFC-based hybrid system integrated with HDH desalination unit

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 85

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شناسه ملی سند علمی:

JR_EES-10-4_008

تاریخ نمایه سازی: 28 فروردین 1402

چکیده مقاله:

A new unified system that runs with solid oxide fuel cells (SOFC) is proposed. Thermodynamic laws have been used to describe and analyze system performance. For this purpose, the reported system is simulated by the  EES (Engineering Equations Solver) software. The calculations of this study show that the introduced hybrid system generates net electricity, and distilled water of ۴۶۰.۳ kW, and ۳۰۷.۳۶۸ kg/h, correspondingly. Also, the total energy and exergy efficiencies for the whole system are obtained as ۸۱.۸۷ and ۵۵.۲۶, respectively. It was also found that increasing the pressure and using the gas turbine in the fuel cell cycle would increase the SOFC energy and exergy efficiency from values ۵۳.۸۸ and ۵۱.۹۷ to energy and exergy electrical efficiency values of ۵۶.۷۶ and ۵۴.۷۵. Additionally, the heater, afterburner, and SOFC stack are recognized as the utmost destructive constituents by ۶۱.۲۲, ۵۸.۷۵ kW and ۵.۴۶ kW, correspondingly. Also, the influence of influential factors on system performance including solid oxide fuel cell current density and its inlet temperature, high desalination temperature, humidifier effectiveness, compression ratio, dehumidifier effectiveness and desalination flow ratio has been studied.

نویسندگان

Hadi Ghaebi

Department of Mechanical Engineering, Faculty of Engineering, University of Mohaghegh Ardabili, P.O.Box ۱۷۹, Ardabil, Iran

Samareh Ahmadi

Department of Mechanical Engineering, Faculty of Engineering, University of Mohaghegh Ardabili, P.O.Box ۱۷۹, Ardabil, Iran

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