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<p>The refrigerant compressor in this study is powered by solar energy because power consumption is a significant issue in the village-level vapor compression cycle. To increase the system’s coefficient of performance, the idea of an analytical study of the vapor compression refrigeration system with a heat exchanger was implemented. The study introduces a solar-powered vapor compression refrigeration system using CO<sub>2</sub> as a low-GWP refrigerant integrated with a heat exchanger to enhance COP through analytical performance evaluation with and without superheating. The energy analysis and performance assessment of a milk-cooled chiller with a solar-powered refrigerant compressor are also the main topics of the study. Using CO<sub>2</sub>, a novel refrigerant with low GWP (global warming potential) and ODP (ozone depletion potential), this study compares the performance of the vapor compression refrigeration cycle with and without superheating. Here, the new refrigerant has been discussed. Reducing the compressor’s labor or enhancing the refrigeration effect are two ways to raise the COP of the refrigeration system (VCRS). Reducing compressor effort and increasing refrigerating effect are necessary to improve the coefficient of performance. The typical vapor compression refrigeration (VCR) cycle, which is used in many refrigeration systems, has a low Coefficient of Performance (COP). However, it can be made more efficient by adding a heat exchanger.</p>

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Energy and exergy analysis of a solar-assisted vapor compression refrigeration system for milk chilling applications in rural India using CO2 as a natural refrigerant

  • 期刊论文

  • 发表日期：

    2026年2月19日

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  • Suvanjan Bhattacharyya,
  • Basma Souayeh,
  • Neeraj Kumar Sharma,
  • Sri Harsha Dannana,
  • Noura Al Suliman,
  • Nourah F. Almuhawish

摘要

The refrigerant compressor in this study is powered by solar energy because power consumption is a significant issue in the village-level vapor compression cycle. To increase the system’s coefficient of performance, the idea of an analytical study of the vapor compression refrigeration system with a heat exchanger was implemented. The study introduces a solar-powered vapor compression refrigeration system using CO2 as a low-GWP refrigerant integrated with a heat exchanger to enhance COP through analytical performance evaluation with and without superheating. The energy analysis and performance assessment of a milk-cooled chiller with a solar-powered refrigerant compressor are also the main topics of the study. Using CO2, a novel refrigerant with low GWP (global warming potential) and ODP (ozone depletion potential), this study compares the performance of the vapor compression refrigeration cycle with and without superheating. Here, the new refrigerant has been discussed. Reducing the compressor’s labor or enhancing the refrigeration effect are two ways to raise the COP of the refrigeration system (VCRS). Reducing compressor effort and increasing refrigerating effect are necessary to improve the coefficient of performance. The typical vapor compression refrigeration (VCR) cycle, which is used in many refrigeration systems, has a low Coefficient of Performance (COP). However, it can be made more efficient by adding a heat exchanger.