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This research investigates the performance of eco-friendly refrigerants as alternatives to traditional R134a.

Performance Investigation of Eco‐Friendly Refrigerant Mixtures as an Alternative to R134a in Vapour‐Compression Refrigeration System

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Performance investigation shows improved COP and environmental metrics of eco-friendly refrigerants, suggesting sustainable refrigeration benefits.

This research investigates the performance of eco-friendly refrigerants as alternatives to traditional R134a.
Experimental testing of four refrigerant blend compositions.
Modeling with REFPROP 10.0 across thermodynamic, environmental, safety, and economic metrics.
Quantitative safety and economic analyses of the proposed mixtures.
The optimal mixture achieved a COP of 3.35, a 50% improvement over R134a.
The blend provided a 105% higher refrigeration effect and 12% lower compressor work.
Environmental analysis showed a 94% decrease in GWP compared to R134a, indicating significant sustainability improvements.

Periyasamy et al. (2025) studied this question.

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Performance investigation shows improved COP and environmental metrics of eco-friendly refrigerants, suggesting sustainable refrigeration benefits.