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This is a Experimental Study study.

December 5, 2025International Journal of Air-Conditioning and RefrigerationOpen Access

Theoretical and experimental study on pumping characteristics of low-GWP refrigerants in solar ejector cooling system

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Authors

ZCZhao Cheng-mingHenan University of Technology JWJiabin WangFujian Medical University XFXiaowei FanZhongyuan University of Technology

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Implication

Theoretical analysis shows improved energy efficiency in solar ejector cooling with low-GWP refrigerants, suggesting their potential benefits over traditional options.

Key Points

Energy demand for refrigerants R1233zd(E) and R1234ze(Z) significantly reduced by about 73% versus R134a under a 10 kW cooling load.
Thermodynamic modeling revealed energy efficiency ratios exceeding four times that of R134a, highlighting substantial performance improvements.
Evaluation through multistage centrifugal pump tests established stable delivery of subcooled liquids, achieving peak pump efficiency around 30%.
Low-pressure operation of the proposed refrigerants indicates the feasibility of integrating them into low-carbon building systems.

Cite This Study

Cheng-ming et al. (2025) studied this question.

synapsesocial.com/papers/694022492d562116f28fbe86 https://doi.org/10.1007/s44189-025-00090-2

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Implication

Theoretical analysis shows improved energy efficiency in solar ejector cooling with low-GWP refrigerants, suggesting their potential benefits over traditional options.

Theoretical and experimental study on pumping characteristics of low-GWP refrigerants in solar ejector cooling system

Discussion

Member takes

Implication

Key Points

Cite This Study

Theoretical and experimental study on pumping characteristics of low-GWP refrigerants in solar ejector cooling system

Discussion

Member takes

Implication

Key Points

Cite This Study

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