Search Results

16 results

  1. 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 to ...
  2. 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. Therefore a ...
  3. 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 ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 06

    Influences of shredded stem on cigarette properties

    JIN Yong; TAN Haifeng; FAN Hongmei; YU Saibo; LI Ke; WANG Shitai; ZHONG Kejun
    Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China
    Shredding is a process of forcing tobacco stems between counter-rotating toothed blades in a mill where they are stripped lengthwise into thin, fibrous particles. Three types of stems were prepared, namely expanded shredded stem (ESS), expanded cut stem ...
  5. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 23

    Effect of cigarette paper pore structure characteristics on carbon monoxide release in mainstream smoke during cigarette burning process

    YIN Donghong; LUO Wei; DING Duo; CHEN Zeliang; ZHONG Kejun; REN Jianxin
    China Tobacco Hunan Industrial Co., Ltd of CNTC, Research and Development Center, Changsha, Hunan, P.R. China
    Two kinds of cigarette papers and a control sample with the same grammage and permeability but different pore structures were designed and prepared. The effect of pore structure characteristics of the cigarette paper on the delivery of carbon monoxide (CO ...
  6. 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 regimes, and ...
  7. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 64

    Development of an on-line method for separating stems from tobacco lamina based on low-energy X-ray transmission imaging

    ZHU Wenkui(1); CHEN Liangyuan(1); WANG Bin(1); LIU Bin(2); MAO Junwei(2); ZHONG Kejun(2); XI Jianping(2); ZHANG Hui(2); WANG Yibin(3)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) China Tobacco Hunan Industrial Co. Ltd., Hunan, P.R. China; (3) Nanjing Jiao’er Science and Technology Ltd., Jiangsu, P.R. China
    During the tobacco threshing and redrying processes, separation quality of tobacco leaves and stems has a significant effect on the purity of output tobacco lamina. For the traditional separation method by air classifier, separation efficiency is limited ...
  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 smoked ...
  10. Tobacco Science & Technology, 2012, 7, p. 54-60, ISSN.1002-0861

    Selective removal of phenol from cigarette smoke by grooved filter plug with modified cellulose wrapper

    HUANG Fu; JIN Yong; ZHONG Kejun; ZHU Xiaoqun; LIU Qi; XIE Lanying*
    Technology R&D Center, China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, P.R. China
    The samples of cigarette attached with grooved filter plug were prepared, the plug wrapper was made of cellulose modified by polyethylene glycol/acetylpropionic acid/triethylene-glycol diacetate. The effects of the said cellulose modifiers on the ...