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Thermal matching performance of a geothermal ORC system using zeotropic working fluids

Yue, Chen; Han, Dong; Pu, Wenhao; He, Weifeng - In: Renewable Energy 80 (2015) C, pp. 746-754

The thermal matching performance analysis is conducted for a geothermal organic Rankine cycle system using zeotropic mixtures as working fluids. The constant isentropic efficiency is replaced by internal efficiency of an axial flow turbine with given size for each condition, and the zeotropic...

Persistent link: https://www.econbiz.de/10011263803

Performance of a combined organic Rankine cycle and vapor compression cycle for heat activated cooling

Wang, Hailei; Peterson, Richard; Harada, Kevin; Miller, Erik - In: Energy 36 (2011) 1, pp. 447-458

generate cooling for structures and vehicles. It combines an organic Rankine cycle (ORC) with a conventional vapor compression …

Persistent link: https://www.econbiz.de/10011053617

Study on thermal efficiency of low- to medium-temperature organic Rankine cycles using HFO−1234yf

Yamada, Noboru; Mohamad, Md Nor Anuar; Kien, Trinh Trung - In: Renewable Energy 41 (2012) C, pp. 368-375

Rankine cycles (ORC) is elucidated through a first-order simulation. A fundamental thermodynamic model of ORC with five types ….8%–11.4%) was obtained when the supercritical ORC was used at an expander inlet temperature of 170 ± 10 °C and a condensation … fluid for ORC applications, especially for those with low- to medium-temperature heat sources. …

Persistent link: https://www.econbiz.de/10011043997

Analysis of a 50kW organic Rankine cycle system

Kuo, Chi-Ron; Hsu, Sung-Wei; Chang, Kai-Han; Wang, Chi-Chuan - In: Energy 36 (2011) 10, pp. 5877-5885

This study analyzes the system performance of a 50kW ORC system subject to influence of various working fluids. A … eighteen working fluids but is also in line with some existing literatures. Analysis of the typical ORC heat exchangers …

Persistent link: https://www.econbiz.de/10011055885