JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

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CHEN Kun, HUANG Fuli, WU Chengcheng, et al. The impact of high emissivity heating elements on temperature and aerosol emission in heated tobacco products[J]. Journal of Light Industry.
Citation: CHEN Kun, HUANG Fuli, WU Chengcheng, et al. The impact of high emissivity heating elements on temperature and aerosol emission in heated tobacco products[J]. Journal of Light Industry. shu

The impact of high emissivity heating elements on temperature and aerosol emission in heated tobacco products

  • Corresponding author: TANG Wei, twntdx@163.com
  • Received Date: 2023-10-20
    Accepted Date: 2024-01-16
    Available Online: 2024-09-11
  • To explore the impact of radiative heat transfer on the temperature distribution and aerosol release in centrally heated cigarettes, a high-emissivity heating element was fabricated by coating a low-emissivity heating elementwith a silicone high-emissivity coating. The emissivity values of the high / low emissivity heating elements were measured, and simulations and measurements of the temperature distribution and actual temperatures at specific locationswithin the cigarette during heating with both types of elements were conducted. Additionally, the aerosol releaseof the heating device during the heating process were examined. The results showed that the emissivity values of the high / low emissivity heating elements were 90% and 10% respectively. After heating for 200 seconds using the same temperature curve setup, compared to the low-emissivity heating element, the internal average temperature of the cigarette heated by the high-emissivity heating element was higher (154. 1 ℃ ), with a smaller temperature difference from the heating element and a more uniform temperature distribution. When heated by the high-emissivityheating element, the total particulate matter, nicotine, and glycerol release in the cigarette aerosol increased by 42. 8%, 17. 6%, and 44. 5% respectively, compared to those heated by the low-emissivity heating element. These findings confirm that radiative heat transfer plays a crucial role in enhancing the heating efficiency of centrally heatedcigarettes, providing theoretical guidance and data support for the design and improvement of central heating tobaccodevices.
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