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<p>The present study explores the wake dynamics and synergistic power generation potential of a hybrid Savonius–Darrieus vertical axis wind turbine (VAWT) positioned in front of a mine ventilation fan. By leveraging the combined airflow from the ventilation system and ambient wind, the feasibility of clustering-based power generation is assessed. Experimental investigations with a single turbine, coupled with computational fluid dynamics (CFD) simulations of a multi-turbine configuration, reveal that the hybrid VAWT significantly alters wake structure, enhancing turbulence and airflow mixing. The proposed turbine cluster configuration demonstrates improved energy extraction efficiency while maintaining stable ventilation performance without imposing excessive aerodynamic loads. The proposed wind power generation strategy utilizing clustering improves power output, boosts the cluster power coefficient (<i>C</i><sub>p</sub>) by 1.1&#xa0;times, and enhances ventilation efficiency. These findings provide a novel framework for integrating renewable energy solutions into industrial ventilation systems, offering a pathway toward enhanced sustainability and energy efficiency.</p>

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Wake dynamics and synergistic clustering-based power generation potential of a hybrid VAWT in a mine ventilation system

  • 期刊论文

  • 发表日期：

    2025年8月20日

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  • Soumyadip Banerjee,
  • Tanmoy Maity

摘要

The present study explores the wake dynamics and synergistic power generation potential of a hybrid Savonius–Darrieus vertical axis wind turbine (VAWT) positioned in front of a mine ventilation fan. By leveraging the combined airflow from the ventilation system and ambient wind, the feasibility of clustering-based power generation is assessed. Experimental investigations with a single turbine, coupled with computational fluid dynamics (CFD) simulations of a multi-turbine configuration, reveal that the hybrid VAWT significantly alters wake structure, enhancing turbulence and airflow mixing. The proposed turbine cluster configuration demonstrates improved energy extraction efficiency while maintaining stable ventilation performance without imposing excessive aerodynamic loads. The proposed wind power generation strategy utilizing clustering improves power output, boosts the cluster power coefficient (Cp) by 1.1 times, and enhances ventilation efficiency. These findings provide a novel framework for integrating renewable energy solutions into industrial ventilation systems, offering a pathway toward enhanced sustainability and energy efficiency.