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<p>Large-scale pig farming is an important trend for future development. Nevertheless, issues like high energy consumption and insufficient sustainability development in regulating pig barn ventilation systems exist. Consequently, this paper presents a localized thermoelectric cooling and air-conditioning system to regulate the thermal environment in the occupied area of the pig barn. Firstly, the experimental platform is built to test the performance parameters of the system. Then, the width of the vent and the length of the heat sink are optimized by numerical simulation method, and the ability of the thermoelectric cooling and air-conditioning system to adjust the thermal environment of the pig house under different ambient temperatures is analyzed. Finally, the results show that the temperature in the system is reduced by 1.73–3.14&#xa0;°C, the temperature fluctuation range is reduced by 24.2%, and the maximum relative error of numerical simulation is less than 7.1%. The system has a good effect in regulating the local thermal environment of pigs.</p>

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Optimization of the local ventilation system of a pig house based on thermoelectric cooling technology

  • 期刊论文

  • 发表日期：

    2025年4月5日

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  • Kuansheng Huang,
  • Huizhi Li,
  • Mingjing Zhu,
  • Jinchao Xing

摘要

Large-scale pig farming is an important trend for future development. Nevertheless, issues like high energy consumption and insufficient sustainability development in regulating pig barn ventilation systems exist. Consequently, this paper presents a localized thermoelectric cooling and air-conditioning system to regulate the thermal environment in the occupied area of the pig barn. Firstly, the experimental platform is built to test the performance parameters of the system. Then, the width of the vent and the length of the heat sink are optimized by numerical simulation method, and the ability of the thermoelectric cooling and air-conditioning system to adjust the thermal environment of the pig house under different ambient temperatures is analyzed. Finally, the results show that the temperature in the system is reduced by 1.73–3.14 °C, the temperature fluctuation range is reduced by 24.2%, and the maximum relative error of numerical simulation is less than 7.1%. The system has a good effect in regulating the local thermal environment of pigs.