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R515A (also known as Honeywell Solstice R515A) is an azeotropic mixture consisting of 88 weight% R1234ZE and 12% R227EA that is considered to be a replacement fluid for R134a. It has a molar mass of 118.73 kg/kmol.
Property data for R515A are provided using a generalized equation of state fitted by F-Chart Software using thermodynamic property data provided by the Honeywell Genetron Properties program (Ver. 1.4) (https://www.honeywell-refrigerants.com/india/genetron-refrigerants-modeling-software-download) and REFPROP version 10. The model is applicable for temperatures between 170 K and 420 K with pressures up to 100 MPa. The reference state is saturated liquid at 0°C for which specific enthalpy and entropy are 200 kJ/kg and 1.0 kJ/kg-K, respectively.
Transport data are provided using correlations to the data provided in the Honeywell Genetron Properties program.
Fluid Property Information