建立替代制冷剂的等温汽液平衡模型：确定相图（高压/低压）和优化的二元相互作用参数

IF 0.1 Q4 ENGINEERING, CHEMICAL

Journal of the Pakistan Institute of Chemical Engineers Pub Date : 2023-07-21 DOI:10.54693/piche.05115

Hakim Madani, Abdnour Zerfa, Youcef Maalem, Abdellah Beicha

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引用次数: 0

摘要

在这项工作中，通过使用 Soave-Redlich-Kwong (SRK) 和 Peng-Robenson (PR) 状态方程 (EoS)，并结合经典的范德瓦耳斯 (vdW) 混合规则，建立了一个用于预测中等压力（高达 19 巴）和不同温度（288-323 K）下汽液平衡 (VLE) 的热力学模型。本研究考虑了四种制冷剂二元系统（R134a+ R1336mzz (E)）、（R600a+R1234ze (Z)）、（R600a+R1243zf）、（R744+R152a）。此外，还采用了一种新方法来改进二元相互作用参数（kij）。将文献中的实验相平衡数据与预测结果进行比较后发现，某些混合规则的代表性非常好。

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Modelling of the isothermal vapor-liquid equilibrium of alternative refrigerants: Determination of phase diagrams (high-pressure/low-pressure) and optimized binary interaction parameters

In this work, a thermodynamic model for prediction of Vapor-Liquid Equilibrium (VLE) at moderate pressures (up to 19 bar) and different temperatures (288-323 K) is developed by using Soave-Redlich-Kwong (SRK) and Peng-Robenson (PR) equations of state (EoS) in combination with the classical van der Waals (vdW) mixing rules. Four refrigerant binary systems have been considered in this study (R134a+ R1336mzz (E)), (R600a+R1234ze (Z)), (R600a+R1243zf), (R744+R152a). Also, a new method was used to improve binary interaction parameters (kij). A comparison of experimental phase equilibrium data in the literature with the predicted results showed very good representation for some mixing rules.

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Journal of the Pakistan Institute of Chemical Engineers ENGINEERING, CHEMICAL-

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