Comparative investigation of working fluids for an organic Rankine cycle with geothermal water

• Autorzy: Liu Y.-N. , Xiao S.

Identyfikatory

DOI

10.1515/aoter-2015-0016

• Języki publikacji: EN

Abstrakty

EN

In this paper, the thermodynamic investigation on the use of geothermal water (130°C as maximum) for power generation through a basic Rankine has been presented together with obtained main results. Six typical organic working fluids (i.e., R245fa, R141b, R290, R600, R152a, and 134a) were studied with modifying the input pressure and temperature to the turbine. The results show that there are no significant changes taking place in the efficiency for these working fluids with overheating the inlet fluid to the turbine, i.e., efficiency is a weak function of temperature. However, with the increasing of pressure ratio in the turbine, the efficiency rises more sharply. The technical viability is shown of implementing this type of process for recovering low temperature heat resource.

Słowa kluczowe

EN

geothermal water; energy efficiency; organic Rankine cycle

PL

wody geotermalne; efektywność energetyczna; organiczny obieg Rankine'a

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2015
• Tom: Vol. 36, no. 2
• Strony: 75--84
• Opis fizyczny: Bibliogr. 31 poz., rys., tab,

Twórcy

autor

Liu Y.-N.

• Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, 650500, China

autor

Xiao S.

• Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China

Bibliografia

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