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53 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 13

    Numerical simulation of smoke flow field characteristics and temperature distribution of circumferential heated tobacco products

    SUN Zhiwei(1); DU Wen(1); WANG Zhiguo(1); WANG Wei(1); CHEN Jingbo(1); LUO Wei(1); WEN Jianhui(1); HUANG Ping(1); YIN Xinqiang(1); ZHANG Mingjian(2); LI Bin(2); HUANG Zhengwei(3); ZHANG Zhang(3); GUI Qinfeng(3); DAI Hongliang(3)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd, Changsha, China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China; (3) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, China
    Heated tobacco products have gradually become an important development direction and research hotspot of tobacco products because of their remarkable advantages in reducing the releases of harmful components. In order to carry out the research and...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 26

    Key parameters affecting the release of aldehydes in e-cigarette aerosols

    FAN Meijuan; CUI Huapeng; PAN Lining; CHEN Li; GUO Junwei; ZHAO Le; WANG Hongbo; HUA Chenfeng; LIU Shaofeng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    In recent years, the sales of electronic cigarettes (e-cigarettes) have grown exponentially, and the aldehydes in e-cigarette aerosols have raised concerns. This study aims to investigate the effects of key parameters, the ratio of propylene glycol...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 36

    Simultaneous detection of 35 organosulfur compounds in cigarette smoke by GC-MS/MS coupled with sulfur chemiluminescence detector

    QIN Yaqiong; LIU Ruihong; WANG Xiaoyu; XIE Fuwei; PAN Lining; CHEN Li; WANG Bing; YU Jingjing; CAI Junlan; LIU Shaofeng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Organosulfur compounds are of great concern in food science because they play an important role in the flavour and taste of food due to their extremely low odour threshold levels and high sensory impact. They also exist in cigarette smoke, mainly in...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2021, Online, ST 54

    Effects of cigarette circumference on cigarette ventilation rate during smoking

    DENG Nan(1,2); ZHANG Qi(2); ZHAO Wenkang(2,3); WANG Hui(4); WANG Le(2); TAO Hong(5); YIN Xianzhong(6); DAI Lu(4); GU Junping(5); YU Hongxiao(7); WANG Bing(2); LI Bin(2)
    (1) Instrumental Analysis Center, Xi'an Jiaotong University, Xi’an, Shaanxi, China; (2) Zhengzhou Tobacco Research Inst. of CNTC, Zhengzhou, Henan, China; (3) China Tobacco Guangxi Ind. Co., Ltd, Nanning, Guangxi, China; (4) China Tobacco Zhejiang Ind. Co., Ltd, Hangzhou, Zhejiang, China; (5) China Tobacco Guangdong Industrial Co., Ltd, Guangzhou, Guangdong, China; (6) China Tobacco Henan Industrial Co., Ltd, Zhengzhou, Henan, China; (7) China Tobacco Shandong Industrial Co., Ltd, Jinan, Shandong, China
    Cigarette ventilation is one of the key parameters during cigarette design, that strongly affects cigarette combustion behaviour and the smoke components released. When combustion occurs, smoke is produced and transferred from the cut tobacco to the...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 26

    Digital evaluation of tobacco style and quality by using a support vector machine algorithm with thermal analysis spectra

    LI Qiaoling(1); YIN Chao(2); ZHENG Quanxing(1); YU Yumei(1); LIU Xiucai(1); DENG Xiaohua(1); ZHANG Tinggui(1); ZHONG Jiawei(1); WANG Le(3); XU Hanchun(1); LIN Kai(1); MA Pengfei(1); HUANG Chaozhang(1); LI Bin(3); WU Anan(2)
    (1) Technology Center, China Tobacco Fujian Industrial Co., Ltd., Xiamen, Fujian, P.R. China; (2) College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, P.R. China; (3) Key Laboratory of Tobacco Processing Technology of CNTC, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In the processes of tobacco blend design and product maintenance of cigarettes, the evaluation of tobacco style and quality is very important. At present, the evaluation method mainly relies on artificial sensory analysis, which is subjective and...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 29

    Thermochemical and thermophysical mapping of burning superslim and kingsize cigarettes

    EHLERT S.(1,3); CUI H.(2); HEIDE J.(3); XIE F.(2); DENG N.(2); LIU C.(4); McADAM K.(4); WALTE A.(1); ZIMMERMANN R.(3)
    (1) Photonion GmbH, Schwerin, Germany; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (4) British American Tobacco, R&D Centre, Southampton, U.K.
    After presenting and publishing the proof of principle of the in-situ thermochemical and thermophysical mapping inside a burning Super Slim (SS) cigarette, we now extended the study scope to other cigarette formats and smoking regimes[1]. A...
  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, ST 48

    Analysis of four volatile nitroso-amines, four alkaloids, 18 polycyclic aromatic hydrocarbons in oral tobacco products based on simultaneous extraction technique and GC-MS/MS detection

    WANG Xiaoyu(1); QIN Yaqiong(1); XIE Fuwei(1); LI Dongliang(2); SHEN Yi(2); GUO Junwei(1); LIU Shaofeng(1); LUO Cheng(2); PAN Lining(1); WANG Sheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center, China Tobacco Sichuan Industrial Co., Ltd., Chengdu, P.R. China
    Many kinds of harmful or potentially harmful components (HPHCs) exist in oral tobacco products. Usually, each kind of chemical needs a specific analytical method, which will cause high cost and low throughput. Therefore, the objective of this study...