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Geothermal Energy

Science – Society – Technology

Table 1 Properties of the refrigerant (Ata et al. 2020; Devecioğlu and Oruç 2017)

From: Exergy and exergoenvironmental assessment of a geothermal heat pump and a wind power turbine hybrid system in Shanghai, China

Refrigerant

Molecular formula

Molecular weight [kg/kmol]

Normal boiling point (°C)

Critical temperature (°C)

Critical pressure (MPa)

Safety class

ODP

GWP

R134a

CH2FCF3

102

−26.4

101.1

4.059

A1

0

1430

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