THERMAL SCIENCE

International Scientific Journal

Thermal Science - Online First

Authors of this Paper

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Ahmed Mouissi

,

Rabah Touaibi

online first only

Parametric assessment of a solid oxide fuel cell-organic Rankine cycle hybrid system for clean power generation

ABSTRACT
This paper investigates the energy performance of a hybrid system utilizing waste heat from a solid oxide fuel cell to drive an organic Rankine cycle. The study evaluates the organic Rankine cycle performance with various fluids, considering their global warming and ozone depletion potentials. To enhance system efficiency, the organic Rankine cycle is integrated with the solid oxide fuel cell to utilize its waste heat. A comprehensive mathematical model is developed to simulate the coupled system, encompassing all components. This study focuses on the parametric analysis of the organic Rankine cycle, considering crucial working parameters such as operating fluids, evaporator temperature, and pressure ratio. Cogeneration of the solid oxide fuel cell fuel by feeding the organic Rankine cycle increases system performance by 20%. Notably, the R290 fluid emerges as the most efficient among the proposed working fluids. These findings offer valuable insights into hybrid system energy performance, emphasizing the potential for efficiency improvement through waste heat utilization.
KEYWORDS
Clean Power Generation, waste heat recovery, solid oxide fuel cells, organic Rankine cycle, working fluids
PAPER SUBMITTED: 2024-06-03
PAPER REVISED: 2024-07-24
PAPER ACCEPTED: 2024-08-01
PUBLISHED ONLINE: 2024-08-31
DOI REFERENCE: https://doi.org/10.2298/TSCI240603198M
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Parametric assessment of a solid oxide fuel cell-organic Rankine cycle hybrid system for clean power generation