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<p>To reveal the mechanism of the influence of the moisture content of HNB (heat-not-burning) cigarette on the aerosol temperature, a temperature field testing platform for heated cigarette was used to measure the aerosol temperature of different moisture content TOOP and HEETS cigarettes. A numerical model for the heat and mass transfer of water in heated cigarette based on the moisture absorption characteristics of porous media was constructed, and the water transport process was analysed. The results show that: the tobacco materials with higher moisture content will significantly increase the aerosol temperature to a maximum of 20&#xa0;°C. Water vapour generated from the tobacco materials section is transported to the filter section along with the mainstream smoke when the water vapour condenses and releases heat when cooled, increasing the aerosol temperature.</p>

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Numerical model of heat and mass transfer of moisture in heat-not-burning cigarette and the mechanism of influence on aerosol temperature

  • 期刊论文

  • 发表日期：

    2025年5月10日

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  • Shuo Fu,
  • Shun Zhou,
  • Yun Cao,
  • Jin Zhang,
  • Xiaoyu Zhang,
  • Zongbao Xu,
  • Ying Zhao,
  • Xiaofeng Wang,
  • Yanyan Li,
  • Weijian Chen,
  • Mingjing Guan,
  • Huijuan Tian,
  • Shicheng Yin,
  • Xi Du

摘要

To reveal the mechanism of the influence of the moisture content of HNB (heat-not-burning) cigarette on the aerosol temperature, a temperature field testing platform for heated cigarette was used to measure the aerosol temperature of different moisture content TOOP and HEETS cigarettes. A numerical model for the heat and mass transfer of water in heated cigarette based on the moisture absorption characteristics of porous media was constructed, and the water transport process was analysed. The results show that: the tobacco materials with higher moisture content will significantly increase the aerosol temperature to a maximum of 20 °C. Water vapour generated from the tobacco materials section is transported to the filter section along with the mainstream smoke when the water vapour condenses and releases heat when cooled, increasing the aerosol temperature.