Investigation on Miscibility of Lubricant and Mixed Refrigerant HFO-1234yf/HFO-1216

Applied Sciences 2026 Open access

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Authors: Hongsheng Ouyang, Kezhan Zhang, Hongfei Yan, Ran Huo, Xiaopo Wang, Haoran Wang, Cheng Lu, Zhikai Guo, Xiaohong Han
DOI: 10.3390/app16136638
Cited by: 1
References: 27

Abstract

The HFO-1234yf/HFO-1216 mixture is a promising alternative refrigerant to HFC-134a due to its excellent environmental performance. Experimental investigation of the phase equilibrium between the mixture and lubricating oils is essential for screening suitable oils in practical refrigeration systems. In this work, an HFO-1234yf/HFO-1216 (80/20) composition was selected based on its overall performance and COP. The solubility of the mixture was measured in three linear pentaerythritol esters (PEC5, PEC7, and PEC9) over a temperature range of 283.15–343.15 K. The experimental data were correlated using the fugacity balance equation combined with the NRTL model. The calculated values show satisfactory agreement with the experimental data.

Fields of Study & Subjects

Phase Equilibria and Thermodynamics Refrigeration and Air Conditioning Technologies Chemical Thermodynamics and Molecular Structure

Publication details

Journal / source
Applied Sciences
Publisher
MDPI AG
Volume
16
Issue
13
Pages
6638–6638
Publication date
2 July 2026
Language
EN