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Study on the vapor-liquid equilibrium of new HFOs binary mixed refrigerant {R1234ze(E)+R1336mzz(E)}.

Number: 0013

Author(s) : YANG W., HE G., WANG Z., LI X., ZHANG Z.

Summary

R1234ze(E) and R1336mzz(E) are both HFOs environmentally friendly refrigerants. A new type of excellent mixed refrigerant can be formed by mixing them. For the new mixed refrigerant, it is very important to study the vapor-liquid equilibrium properties. In this study, a set of vapor-liquid equilibrium experimental devices was built based on the liquid phase circulation method, and its reliability was verified. Then, the vapor-liquid equilibrium data of five different ratios of R1234ze(E)/R1336mzz(E) mixed refrigerant were measured in the temperature range of 283.15~313.15 K, respectively. Finally, the PR+HV+NRTL model was used to correlate the experimental data. The results show that there is no azeotropic phenomenon in the experimental temperature range of R1234ze(E)/R1336mzz(E) mixed refrigerant, but the calculated data of thecorrelation model are in good agreement with the experimental data. Moreover, the maximum average absoluterelative deviation of pressure is 0.35%, while the maximum average absolute deviation of vapor phase composition is 0.0069, showing that the experimental data meet thermodynamic consistency, thus themodel can be used to calculate the vapor-liquid equilibrium properties of HFOs binary mixed refrigerant.

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Details

  • Original title: Study on the vapor-liquid equilibrium of new HFOs binary mixed refrigerant {R1234ze(E)+R1336mzz(E)}.
  • Record ID : 30031023
  • Languages: English
  • Subject: HFCs alternatives
  • Source: 3rd IIR conference on HFO Refrigerants and low GWP Blends. Shanghai, China.
  • Publication date: 2023/04/05
  • DOI: http://dx.doi.org/10.18462/iir.HFO2023.0013

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