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<p>This study presents a thermodynamic modelling and performance analysis of organic Rankine ejector cooling cogeneration (ORECC) systems, which offer simultaneous power generation and cooling using waste heat. The studied plant layouts are split organic Rankine ejector cooling cogeneration without regenerator (ORE1CC), split organic Rankine ejector cooling cogeneration with regenerator (ORE1CCRGN), once-through organic Rankine ejector cooling cogeneration without regenerator (ORE2CC), once-through organic Rankine ejector cooling cogeneration with regenerator (ORE2CCRGN), bled organic Rankine ejector cooling cogeneration without regenerator (ORE3CC) and bled organic Rankine ejector cooling cogeneration with regenerator (ORE3CCRGN). A thermodynamic model, based on energy analysis, was developed to assess performance under varying conditions. Initially, working fluids were screened based on the energy utilization factor (EUF), with R1336mzz(E) selected for its superior performance. Parametric analysis evaluates the effects of boiler pressure and evaporator temperature on output and efficiency. The inclusion of a regenerator impacts performance differently across configurations. ORE1CCRGN achieves the maximum cycle EUF (0.17), whereas ORE3CC attains the highest plant EUF (0.075).</p>

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Energy Analysis of Organic Rankine Ejector Cooling Cogeneration Systems

  • 期刊论文

  • 发表日期：

    2026年4月13日

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  • Aakash Kumar Nimesh,
  • Tangellapalli Srinivas

摘要

This study presents a thermodynamic modelling and performance analysis of organic Rankine ejector cooling cogeneration (ORECC) systems, which offer simultaneous power generation and cooling using waste heat. The studied plant layouts are split organic Rankine ejector cooling cogeneration without regenerator (ORE1CC), split organic Rankine ejector cooling cogeneration with regenerator (ORE1CCRGN), once-through organic Rankine ejector cooling cogeneration without regenerator (ORE2CC), once-through organic Rankine ejector cooling cogeneration with regenerator (ORE2CCRGN), bled organic Rankine ejector cooling cogeneration without regenerator (ORE3CC) and bled organic Rankine ejector cooling cogeneration with regenerator (ORE3CCRGN). A thermodynamic model, based on energy analysis, was developed to assess performance under varying conditions. Initially, working fluids were screened based on the energy utilization factor (EUF), with R1336mzz(E) selected for its superior performance. Parametric analysis evaluates the effects of boiler pressure and evaporator temperature on output and efficiency. The inclusion of a regenerator impacts performance differently across configurations. ORE1CCRGN achieves the maximum cycle EUF (0.17), whereas ORE3CC attains the highest plant EUF (0.075).