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<p>This study evaluated cooling tower performance using two industrial packings in a laboratory setup with a 0.39 × 0.39-meter cross-section and heights of 0.45 and 0.9&#xa0;m, with air and water flow rates of 0.19 to 0.23&#xa0;m³/s and 12.5 to 20&#xa0;L/min, respectively. A multiparametric analysis was conducted to assess the impact of key variables on the outlet water temperature and overall cooling performance. The results indicates that higher wet bulb temperatures increased outlet water temperatures and performance. The cooling performance and the parametric studies of cooling tower (NTU) decreased with increase the liquid-to-gas ratio (L/G) but outlet temperatures increased. Efficiencies of 85.1% for the film-type packing and 79.9% for the splash-type packing were observed, which are consistent with the performance of commercial packings. These findings, applied to an Iranian gas refinery using splash packing, suggested a potential 30% reduction in water circulation.</p>

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Investigation the performance of new packings in cooling towers – experimental and transfer unit modeling

  • 期刊论文

  • 发表日期：

    2025年4月15日

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  • A. Cheraghian,
  • V. Mohebbi

摘要

This study evaluated cooling tower performance using two industrial packings in a laboratory setup with a 0.39 × 0.39-meter cross-section and heights of 0.45 and 0.9 m, with air and water flow rates of 0.19 to 0.23 m³/s and 12.5 to 20 L/min, respectively. A multiparametric analysis was conducted to assess the impact of key variables on the outlet water temperature and overall cooling performance. The results indicates that higher wet bulb temperatures increased outlet water temperatures and performance. The cooling performance and the parametric studies of cooling tower (NTU) decreased with increase the liquid-to-gas ratio (L/G) but outlet temperatures increased. Efficiencies of 85.1% for the film-type packing and 79.9% for the splash-type packing were observed, which are consistent with the performance of commercial packings. These findings, applied to an Iranian gas refinery using splash packing, suggested a potential 30% reduction in water circulation.