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<p>The focus of this research is to experimentally explore the influence of elliptically configured coil (ECC) condenser dimensional parameters and working conditions on the coefficient of performance (COP) of vapour compression refrigeration systems (VCRS). Four ECC condensers with varying minor and major axes (maintaining the same ratio) were selected for testing various refrigerants utilized in the different internal tube diameters in a counterflow configuration. A total of 32 experiments were carried out using multiple minor and major axes, coil diameters, and refrigerants as parameters. The experimental results demonstrate that increasing the major and minor axes of the elliptical structure, in addition to coil diameter, improves the condenser COP the elliptical major and minor axes have a greater influence on COP than other factors. Experimental results indicated that elliptical condensers enhanced heat transfer and COP from 25% to 33% compared to circular condensers.</p>

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Experimental investigation to evaluate the impact of dimensional parameters of elliptical configured coil condenser on the performance of a vapour compression refrigeration system

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月6日

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  • Savitha D C,
  • Ranaprathap Reddy N,
  • Nithesh Kumble Gokuldas,
  • Shreekala N,
  • G M Swamy,
  • G Padmavathi,
  • Mohd Hamid Hussain,
  • Adem Abdirkadir Aden

摘要

The focus of this research is to experimentally explore the influence of elliptically configured coil (ECC) condenser dimensional parameters and working conditions on the coefficient of performance (COP) of vapour compression refrigeration systems (VCRS). Four ECC condensers with varying minor and major axes (maintaining the same ratio) were selected for testing various refrigerants utilized in the different internal tube diameters in a counterflow configuration. A total of 32 experiments were carried out using multiple minor and major axes, coil diameters, and refrigerants as parameters. The experimental results demonstrate that increasing the major and minor axes of the elliptical structure, in addition to coil diameter, improves the condenser COP the elliptical major and minor axes have a greater influence on COP than other factors. Experimental results indicated that elliptical condensers enhanced heat transfer and COP from 25% to 33% compared to circular condensers.