Proposal and study of a balanced hybrid Rankine–Brayton cycle for low-to-moderate temperature solar power plants

Antonio Rovira, Marta Muñoz, Consuelo Sánchez and José María Martínez-Val

Energy, 2015, vol. 89, issue C, 305-317

Abstract: A hybrid Rankine–Brayton cycle with balanced recuperator is proposed, as well as its operating conditions and potential working fluids, for low to moderate temperature solar applications (below 500 °C). The configuration allows the simultaneous decrease of the irreversibility at the heat source and sink and at the compression, mixing and regeneration processes. It is similar to the recompression and partial condensation CO2 cycles, but the selection of the fluid, which becomes a key aspect, introduces several advantages (improving performance and making the cycle simpler).

Keywords: Brayton cycle; Rankine cycle; Moderate temperature heat source; Regenerative cycle; Supercritical fluid (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:89:y:2015:i:c:p:305-317

DOI: 10.1016/j.energy.2015.05.128

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