Thermodynamic analysis of a simple Organic Rankine Cycle

Alireza Javanshir and Nenad Sarunac

Energy, 2017, vol. 118, issue C, 85-96

Abstract: Thermodynamic performance (thermal efficiency and net power output) of a simple subcritical and supercritical Organic Rankine Cycle (ORC) was analyzed over a range of operating conditions for a number of working fluids to determine the effect of operating parameters on cycle performance and select the best working fluid. The results show that for an ORC operating with a dry working fluid, thermal efficiency decreases with an increase in the turbine inlet temperature (TIT) due to the convergence of the isobaric lines with temperature. The results also show that efficiency of an ORC operating with isentropic working fluids is higher compared to the dry and wet fluids, and working fluids with higher specific heat capacity provide higher cycle net power output.

Keywords: Organic Rankine cycle; Working fluids; Thermal efficiency; Subcritical ORC; Supercritical ORC (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:118:y:2017:i:c:p:85-96

DOI: 10.1016/j.energy.2016.12.019

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