中国烟草学报2026，Vol.32Issue(3)：9-20,12.DOI:10.16472/j.chinatobacco.2025.T0230
基于瞬态平面热源法的加热卷烟芯材热物性探究
Study on the thermal properties of core material of heated tobacco based on the transient plane source method
摘要
Abstract
[Objective]This study investigates the thermal properties(thermal conductivity,volumetric specific heat,and thermal diffusivity)of core material bulks in heated tobacco products.[Methods]A thermal property detection system,based on the transient plane source method,was developed,along with a corresponding sample preparation method specifically tailored for tobacco bulks.The influence of various detection parameters and tobacco bulk sizes were thoroughly explored.Additionally,precision experiments were conducted to evaluate the reliability of the measurement system.In-depth research was carried out to analyze the factors affecting the three thermal property indices for common tobacco bulks:rolling process tobacco sheets,cut tobacco,and paper-process tobacco sheets used in heated tobacco products.[Results](1)Heating power(15-25 mW)did not significantly affect the thermal property results,while the measurement time(80 s and 160 s)showed a significant influence.The diameter(4 cm and 6 cm)and thickness(2 cm and 3 cm)of the tobacco bulks had no significant impact on the results.The RSD(relative standard deviation)values for intra-day and inter-day precision for the three thermal property indices were all below 10%.(2)The thermal properties of the three types of tobacco bulks were influenced by packing density,moisture content,and glycerol content.Thermal conductivity and volumetric specific heat were positively correlated with packing density,moisture content,and glycerol content,while they were negatively correlated with thermal diffusivity.Under similar packing densities,moisture contents,and glycerol contents,the thermal conductivity and thermal diffusivity of paper-process tobacco sheet bulks were slightly higher than those of rolling process tobacco sheets and cut tobacco.[Conclusion]The transient plane source method can effectively detect the thermal properties of various core materials used in heated tobacco products,providing a foundational basis for further research on the thermal and mass transfer properties of tobacco.关键词
加热卷烟/再造烟叶/热物性/瞬态平面热源法Key words
heated tobacco/tobacco sheet/thermal properties/transient plane source method引用本文复制引用
汪刚,王乾,张怡春,汪旭,王文俊,杨菁,徐刚强,张克娟,郝晓丽..基于瞬态平面热源法的加热卷烟芯材热物性探究[J].中国烟草学报,2026,32(3):9-20,12.基金项目
中国烟草总公司科技项目"加热卷烟辊压法薄片品质提升特色工艺技术开发"(110202201047(XX-06)) （110202201047(XX-06）
上海新型烟草制品研究院有限公司科技项目"加热卷烟高导热卷烟纸的研发及应用"(Z2024-002Z) （Z2024-002Z）
