Thermoeconomic analysis of a novel trigeneration system based on solid oxide fuel cell and gas turbine with hydrogen fuel

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AGHAZADEH NAGHI; KHALILARYA SHAHRAM; JAFARMADAR SAMAD; CHITSAZ KHOIE ATA

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:7 Page(s): 119-130

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Title

Thermoeconomic analysis of a novel trigeneration system based on solid oxide fuel cell and gas turbine with hydrogen fuel

Author(s)

AGHAZADEH NAGHI | KHALILARYA SHAHRAM | JAFARMADAR SAMAD | CHITSAZ KHOIE ATA | Issue Writer Certificate

Keywords

Solid oxide fuel cellQ2

GAXQ1

HRSGQ1

CogenerationQ2

Thermodynamic and ExergoeconomicsQ1

Abstract

In this article, a new power, cooling and heating Cogeneration system consisting of a Solid oxide fuel cell (SOFC)-gas turbine (GT), a heat recovery steam generator (HRSG), Generator-Absorber-heat eXchange (GAX) absorption refrigeration cycle and a heat exchanger for heat recovery (HR) has been studied from a thermodynamic and economic perspective. The modeling of this cycle was done by solving the electrochemical, thermodynamic and exergoeconomic equations for fuel cell and system components, simultaneously. The results showed that the exergy of our proposed combined cycle is 14. 9% more and the irreversibility rate of this cycle is 10. 6% less than that of the combined SOFC-GT-GAX systems in the same conditions. Also, the fuel cell and the afterburner have the highest rate of exergy destruction among other components due to irreversibility. Exergoeconomic analysis showed that the sum of uint cost of products (SUCP), the exergoeconomic factor, the capital cost rate and the exergy destruction cost rate for the overall system is equal to 331. 1 $/GJ, 29. 3%, 10. 47 $/h and 25. 32 $/h, respectively. Parametric studies showed that increasing the current density will increase the net electrical power, heating capacity of HRSG and HR heat exchanger, cooling capacity and total irreversibility. Also, with increasing of the current density, both the exergy efficiency and SUCP decrease.

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APA: Copy

AGHAZADEH, NAGHI, KHALILARYA, SHAHRAM, JAFARMADAR, SAMAD, & CHITSAZ KHOIE, ATA. (2018). Thermoeconomic analysis of a novel trigeneration system based on solid oxide fuel cell and gas turbine with hydrogen fuel. MODARES MECHANICAL ENGINEERING, 18(7 ), 119-130. SID. https://sid.ir/paper/179585/en

Vancouver: Copy

AGHAZADEH NAGHI, KHALILARYA SHAHRAM, JAFARMADAR SAMAD, CHITSAZ KHOIE ATA. Thermoeconomic analysis of a novel trigeneration system based on solid oxide fuel cell and gas turbine with hydrogen fuel. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(7 ):119-130. Available from: https://sid.ir/paper/179585/en

IEEE: Copy

NAGHI AGHAZADEH, SHAHRAM KHALILARYA, SAMAD JAFARMADAR, and ATA CHITSAZ KHOIE, “Thermoeconomic analysis of a novel trigeneration system based on solid oxide fuel cell and gas turbine with hydrogen fuel,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 7 , pp. 119–130, 2018, [Online]. Available: https://sid.ir/paper/179585/en

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