Search Results

20 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 02

    Electro-thermal simulation analysis of heaters in tobacco heating devices

    SUN Zhiwei(1); WANG Wei(1); DU Wen(1); WEN Jianhui(1); XIE Guoyong(1); WANG Zhiguo(1); DAI Hongliang(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Changsha, P.R. China; (2) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, P.R. China
    Heat-not-burn tobacco products have gradually become an important development direction and a key research topic of tobacco products due to their remarkable advantages in reducing the release of harmful components. As a heat source for cigarette...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 16

    Computational fluid dynamic (CFD) simulation of distribution characteristics of cigarette smoke flow field in grooved filter

    SUN Zhiwei; WEN Jianhui; DU Wen; ZHONG Kejun
    Hunan Industrial Co., Ltd. of CNTC, Research and Development Center, Changsha, Hunan, P.R. China
    A CFD model for the smoke flow in grooved filter was developed to study the flow field distribution in grooved filter and the ratio of cigarette smoke outflowing from the grooves (the proportion of amount of smoke outflowing from grooves in relation...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 10

    Methods for characterising morphological and structural variations of cut tobacco in cigarettes during smoking

    WANG Liang(1); YIN Donghong(1); XIE Guoyong(1); LI Bin(2); TAN Xinliang(1); DU Wen(1)
    (1) Hunan Industrial Co., Ltd of CNTC, Research and Development Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The morphological and structural variations of cut tobacco significantly influence the state of a burning cigarette and the formation of smoke constituents. A series of new methods for characterising the micro-structure of cut tobacco, planar...
  4. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 13

    Determination of harmful components in mainstream cigarette smoke by FT-NIR spectrometry equipped with Cambridge filter pads

    REN Jianxin(1); WANG Zhiguo(1); LIU Wei(1); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2); HU Qingyuan(3)
    (1) Hunan Industrial Co., Ltd. of CNTC, Technonlgy Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, P.R. China
    The yields of harmful components in cigarette smoke are basic parameters to evaluate the harm of cigarettes. However, the existing detection methods for most harmful components in mainstream cigarette smoke are complicated and time consuming....
  5. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 04

    Computational fluid dynamics simulation of cigarette smoke particulate phase retained by cigarette filter

    WEN Jianhui(1); DU Wen(1); ZHONG Kejun(1); ZHANG Xiaobing(2); PENG Bin(2); LIU Huimin(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    A computational fluid dynamics model was developed to simulate the flow and retention of cigarette smoke aerosol particulate phase in an acetate filter whilst using nicotine as a surrogate for the particulate phase of the mainstream smoke. A volume...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 03

    Development and application of FT-NIRs model for online monitoring of the quality of cut tobacco in primary processing line

    YI Hao(1); LI Jun(1); LIU Wei(1); DU Wen(1,2); WANG Zhiguo(1); CHEN Zengping(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) College of Chemistry and Chemical Engineering, Hunan University, Changsha, P.R. China
    Near infrared (NIR) spectroscopy is especially suitable for online monitoring of the productive process due to its fast and non-destructive detection feature. The online monitoring of cut tobacco is important for cigarette industrial enterprises to...
  7. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 33

    Filtration and retention characteristics of crotonaldehyde in cigarette filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); LI Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd, Technology Center, Changsha, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    In order to study the filtration and retention characteristics of crotonaldehyde in cigarette filters, the filtration efficiencies of crotonaldehyde were investigated in regular acetate filter under ISO and Health Canada Intense (HCI) smoking...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 31

    Retention distribution patterns of nicotine and phenolic compounds in filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The retention distribution patterns of nicotine and seven phenolic compounds in cigarette filters were studied. The nicotine and seven phenolic compounds retained in each segment were quantitatively analysed after the filters were transversely and...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 07

    Smoking puff ratio of cigarettes and its determination method

    WANG Zhiguo(1); ZHANG Xiaobing(2); LIU Wei(1); PENG Bin(2); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center and Changsha Cigarette Factory, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The ratio between cut tobacco burned at puffing stage and cut tobacco burned during the whole smoking process of a cigarette was defined as smoking puff ratio (SPR), and a method for determining the SPR of a cigarette was proposed. Cigarettes were...
  10. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 02 (Poster)

    Filtration efficiencies and distribution patterns of nicotine in filters of different structure

    WEN Jian-hui(1); DU Wen(1); PENG Bin(2); ZHANG Xiao-bing(2); LIU Xiao-qing(1); LI Yan-ping(1); XIE Fu-wei(2); WANG Zhi-guo(1); LIU Hui-min(2)
    (1) R&D Center of China Tobacco Hunan Industrial Co., Ltd., Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The filtration efficiencies of filters of different structure to nicotine and the space distribution patterns of nicotine retention in filters were studied. By quantitatively analysing the nicotine deliveries in mainstream cigarette smoke and...