Search Results

23 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 10

    Modelling and simulation of electromagnetic heating smoking set with multi physical field

    BAO Jun(1); HAN Jingmei(2); LI Zhiqiang(2); ZHANG Jianming(3); LEI Ping(2); SHANG Shanzhai(2); YE Bo(1); MA Jun(1); LI Bin(3)
    (1) Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, China; (2) Technical Centre of Yunnan China Tobacco Industry Co., Ltd, Kunming, China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    In heat-not-burn cigarettes, electromagnetic heating has the advantages of uniform heating and fast heating speed compared with traditional resistance plate heating. However, there are still some problems in domestic electromagnetic heating smoking...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 11

    Simulation research on temperature field distribution of electric heating non-combustion cigarette heater

    DENG Weiquan(1); LI Zhiqiang(2); HAN Jingmei(2); WANG Le(3); LEI Ping(2); SHANG Shanzhai(2); MA Jun(1); ZHANG Ke(3)
    (1) Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, China; (2) Technical Centre of Yunnan China Tobacco Industry Co., Ltd, Kunming, China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Compared with traditional cigarettes, heat-not-burn cigarettes only heat the tobacco materials or tobacco extracts instead of burning. The heating temperature of heat-not-burn cigarettes is generally about 300 °C, and the harmful substances...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 34

    Study of the interaction between aroma components and sweet taste characteristics of cigarettes by σ-τ model method

    LI Chao(1); LIU Jinyun(2); FAN Duoqing(1); CHEN Fangrui(1); HU Yan(1); WANG Meng(1); YE Ling(1); LIAO Tougen(1); LIU Xiuming(1); ZHANG Yipeng(1)
    (1) Cigarette Product Quality Test Center, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming, China; (2) Yunnan Industrial Tobacco HI-TECH Material Co., Ltd, Kunming, China
    To investigate the correlations between the aroma substances in mainstream smoke and the sweet taste of cigarettes via analyzing the interaction mechanism between 12 fragrance materials and glucose, the sweet taste values of different concentration...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 52

    A prediction model for lip sticking force of cigarette tipping paper based on friction coefficient and grammage

    YANG Ji; ZHU Ruizhi; ZHANG Tao; GUO Lijuan; LIU Chunbo; XIANG Nengjun; LIU Zhihua; MIAO Mingming
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, China
    To quickly and accurately determine the adhesive force of cigarette tipping paper to lips, a prediction method was proposed based on friction coefficient and grammage. A peel strength tester was used to measure the adhesive force between tipping...
  5. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 09

    Influences of tobacco powder particle size on the reconstituted tobacco slurry process for electrically heated tobacco products

    TIAN Yongfeng; DONG Gaofeng; MIAO Mingming; TANG Jianguo; ZHU Donglai; SHANG Shanzhai; ZHANG Xia; HE Pei; TANG Shiyun; YANG Chen; LIU Zhihua
    Technical Center, China Tobacco Yunnan Industrial Co., Ltd., of CNTC, Yunnan Key Laboratory of Tobacco Chemistry, Kunming, P.R. China
    In order to investigate the influence of tobacco powder of different particle sizes on the quality of tobacco materials in electrically heated tobacco products (eHTPs), slurry process reconstituted tobacco was prepared by using tobacco powder of...
  6. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, STPOST 13

    Analysis of menthol optical isomers in tobacco products

    SI Xiaoxi; ZHU Ruizhi; TANG Jianguo; MIAO Mingming; LIU Zhihua
    Yunnan Key Laboratory of Tobacco Chemistry, R&D Center of China Tobacco Yunnan Industrial Co., Ltd. of CNTC, No. 367, Hongjin Road, Kunming 650231, Yunnan, P.R. China
    Menthol can exist in four enantiomeric pairs, each of which has D-type and L-type separately. Different menthol isomers possess different sensory properties. The establishment of configuration analysis technology for the menthol isomer is of great...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 15

    Crystal structure of nicotine gentisate and its permeability in pig buccal mucosa

    YANG Ji; MIAO Mingming; CHEN Yongkuan; LIU Zhihua; ZHAO Yang; WU Yiqin; LIU Chunbo; YANG Liu; ZHAO Hui; SHEN Qinpeng; DUAN Yuanxing; GONG Xiaowei
    R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China
    Nicotine compound salt has been widely concerned recently with the continuous expansion of the e-cigarette market. Synthetic nicotine organic acid salt or nicotine complex, instead of monomeric nicotine, is used in the formulation of the next...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 27

    Determination of petroleum ether extracts in flue-cured tobacco leaves by NIR combined with random frog wavelength selection method

    QIU Changgui(1,2); LIU Ze(3); CHEN Shi(4); LIU Jing(1,2); WANG Jiajun(3); ZHANG Wen(1,2); YANG Panpan(1,2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Yunnan Comtestor Company, Kunming, P.R. China; (3) Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (4) Bijie Cigarette Factory, China Tobacco Guizhou Industrial Co., Ltd., Bijie, P.R. China
    In order to improve the prediction accuracy and model stability for quantitative calibration in near infrared spectroscopy, the random frog wavelength selection method combined with partial least squares (PLS) was employed to establish the prediction...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 42

    Study on aerosol deposition in the respiratory tract of consumers using cigarette, electronic cigarette or heat-not-burn product

    CUI Huapeng(1); LI Yawen(1); FAN Meijuan(1); CHEN Li(1); SI Xiaoxi(2); HAN Jingmei(2); CAI Junlan(1); LI Xiang(1); LIU Shaofeng(1); XIE Fuwei(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China
    The deposition of aerosols inhaled into the human respiratory tract is key to evaluate exposure and risk during product use. A method based on a differential mobility spectrometer (DMS) was established for determining the physical properties of...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 64

    Analysis of cylinder drying intensity on cut strips based on Enthalpy method

    LIU Ze(1); LU Duanfeng(2); LI Bin(2); ZHU Yong(1); TANG Jun(1); ZHOU Bing(1); FU Liang(1); YANG Qianxu(1); HE Banghua(1)
    (1) R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Cylinder drying of cut strips is one of the key technologies during the cigarette manufacturing process, which involves complex mass transfer and heat transfer phenomena. In order to study the actual cut strip heating and heat distribution in the...