A Numerical Study of Vapor–Liquid Equilibrium in Binary Refrigerant Mixtures Based on 2,3,3,3-Tetrafluoroprop-1-ene

Li Sun, Jierong Liang () and Tingting Zhu
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Li Sun: College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China
Jierong Liang: MagnoTherm Solutions GmbH, Pfungstädter Str. 102, 64297 Darmstadt, Germany
Tingting Zhu: Department of Thermal and Fluid Engineering, Faculty of Engineering Technology (ET), University of Twente, 7522 NB Enschede, The Netherlands

Sustainability, 2023, vol. 15, issue 19, 1-22

Abstract: The binary refrigerant mixtures containing 2,3,3,3-Tetrafluoroprop-1-ene are considered as excellent substitutes for traditional refrigerants. Weak hydrogen bonds exist in hydrofluorocarbons and hydrofluoroolefins. However, for several recently published binary refrigerant mixtures, there is no Vapor–Liquid Equilibrium calculation study considering hydrogen-bonding associations. This work presents a calculation work of the saturated properties of nine pure refrigerants using the Cubic-Plus-Association Equation of State, considering the hydrogen-bonding association in refrigerant fluids. The average relative deviations of the saturated vapor pressure, liquid, and vapor density are less than 1.0%, 1.5%, and 3.5%, respectively. The Vapor–Liquid Equilibrium of ten binary refrigerant mixtures containing 2,3,3,3-Tetrafluoroprop-1-ene is also calculated using the Cubic-Plus-Association Equation of State with the van der Waals mixing rule. The average relative deviations of the liquid-phase and vapor-phase mole fractions are less than 1.0% and 2.0%, respectively. Moreover, the Vapor–Liquid Equilibrium data and the model’s adaptability are analyzed and discussed.

Keywords: 2,3,3,3-Tetrafluoroprop-1-ene; binary refrigerant mixtures; vapor–liquid equilibrium; equation of state (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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