Exergetic assessment of a newly designed solid oxide fuel cell-based system combined with a propulsion engine

Shaimaa Seyam, Ibrahim Dincer and Martin Agelin-Chaab

Energy, 2022, vol. 239, issue PD

Abstract: Efficient, economic and environmentally friendly aircrafts and their operations have become the motivation of research nowadays after the COVID-19 pandemic has spread around the world. This paper presents a combined solid oxide fuel cell with a turbofan engine system in order to potentially improve the aviation performance. Two different analyses are conducted through exergy and exergoeconomic approaches. Also, the paper investigates five alternative fuels with five fuel blends on the system performance. It is founded that the overall exergetic performance is almost the same among the five fuel blends of 82% exergetic efficiency and 18% exergy destruction ratio. In addition, using the methanol and hydrogen fuel blend appears to be the most economical way of achieving a relative cost difference of 38% and minimum price of electricity generation in the range of 108–621 $/GJ for turbines and SOFC. However, using the dimethyl ether and hydrogen fuel blend is the least favorable.

Keywords: Solid oxide fuel cell; Hydrogen; Hydrogen blends; Exergy; Exergoeconomic; Sustainability (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:239:y:2022:i:pd:s0360544221025627

DOI: 10.1016/j.energy.2021.122314

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