Exergoeconomic and exergoenvironmental analyses of the piston aero engine: in-cylinder application
by Onder Altuntas; Elif Koruyucu
International Journal of Exergy (IJEX), Vol. 39, No. 1, 2022

Abstract: This paper aims to show the energy-related economic and environmental parameters for each cylinder of a piston aero engine. This work was carried out in two phases of taxi (taxi-in and taxi-out). The maximum energy and exergy efficiencies of a piston aero engine were found to be 18.70% and 8.16%, respectively, during the taxi-in phase. The highest energy and exergy losses were observed in cylinder 2 the lowest exhaust temperature. The highest relative cost difference and the highest exergoeconomic factor were calculated as 385.62% (in cylinder 3) and 79.34% (in cylinder 4) in the taxi-in phase. The highest relative environmental difference and the highest exergoenvironmental factor were calculated as 147.27% (in cylinder 3) and 35.48% (in cylinder 4) in the taxi-in phase. As shown in exergoeconomic and exergoenvironmental analysis, the first parts to be improved are cylinder 3 and cylinder 4.

Online publication date: Mon, 08-Aug-2022

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