JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 39 Issue 6
December 2024
Article Contents
CHEN Kun, HUANG Fuli, WU Chengcheng, et al. The impact of high-emissivity heating pins on temperature and aerosol emission in heated tobacco products[J]. Journal of Light Industry, 2024, 39(6): 108-115. doi: 10.12187/2024.06.013
Citation: CHEN Kun, HUANG Fuli, WU Chengcheng, et al. The impact of high-emissivity heating pins on temperature and aerosol emission in heated tobacco products[J]. Journal of Light Industry, 2024, 39(6): 108-115. doi: 10.12187/2024.06.013 shu

The impact of high-emissivity heating pins 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: 2024-12-15
  • To explore the impact of radiative heat transfer on the temperature distribution and aerosol release in centrally heated cigarettes, a high-emissivity heating pin was fabricated by coating a low-emissivity heating element with a silicone high-emissivity coating. The emissivity values of the high/low emissivity heating pins were measured, and simulations and measurements of the temperature distribution and actual temperatures at specific locations within the cigarette during heating with both types of pins were conducted. Additionally, the aerosol release from the tobacco rod during the heating process was examined. The results showed that the emissivity values of the high/low emissivity heating pins were 90% and 10% respectively. After heating for 200 s 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 pin was higher (154.1 ℃), with a smaller temperature difference from the heating element and a more uniform temperature distribution. When heated by the high-emissivity heating pin, 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 pin. In conclusion,high-emissivity heating pins utilizing radiative heat transfer plays a crucial role in enhancing the heating efficiency of centrally heated cigarettes, providing theoretical guidance and data support for the design and improvement of central heating tobacco devices.
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