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Density data for carbon dioxide (CO2) +trans-1,3,3,3-tetrafluoroprop-1-ene (R-1234ze(E)) mixture at temperatures from 283.32 to 353.02K and pressures up to 10MPa

Abstract : The densities of CO 2-R1234ze(E) (trans-1,3,3,3-tetrafluoroprop-1-ene) binary mixture were measured using VTD densitometer, Anton Paar DMA 512, in the gas, liquid and supercritical phases. Four compositions of mixtures: 21.3% CO 2 + 78.7% R1234ze(E), 40% CO 2 + 60% R1234ze(E), 59.6% CO 2 + 40.6% R1234ze(E) and 79.4% CO 2 + 20.6% R1234ze(E) were studied at seven temperatures between 283.32K and 353.02K and pressures up to 10MPa. The data were well correlated using the Peng-Robinson cubic equation of State using the Wong Sandler mixing rules involving the NRTL activity coefficient model, and the fundamental Helmholtz equation of state using the Kunz and Wagner mixing rules involving Helmholtz energy. The experimental and correlated phase compositions were compared. Both two models were adjusted on the VLE data, but the Helmholtz model is more accurate to the prediction of density than the Peng-Robinson model.
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Submitted on : Friday, October 16, 2020 - 5:35:20 PM
Last modification on : Sunday, November 8, 2020 - 3:10:01 AM
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Yuxin Fu, Alain Valtz, Snaïde Ahamada, Haitao Hu, Christophe Coquelet. Density data for carbon dioxide (CO2) +trans-1,3,3,3-tetrafluoroprop-1-ene (R-1234ze(E)) mixture at temperatures from 283.32 to 353.02K and pressures up to 10MPa. International Journal of Refrigeration, Elsevier, 2020, 120, pp.430-444. ⟨10.1016/j.ijrefrig.2020.06.006⟩. ⟨hal-02969679⟩

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