<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Neutron radioscopic images of burning cigarettes under both static and dynamic smoking conditions were analysed with a video image processor to measure the changes occurring in the images. These changes were related to the actual mass changes occurring in the cigarette rod during the burning process. The neutron images were used to determine the deposition, movement and evaporation of pyrolysis products in the cigarette rod. In addition, the experimental data were used to calculate the mass burn rates of cigarettes. While the instantaneous mass burn rate of a smouldering cigarette can be measured with a balance, neutron radioscopy can be used to determine it under both static and dynamic smoking conditions. The results of this study, along with background information on neutron radioscopy, calibration methods and the image processing procedures, are presented.</p>
</abstract>

Neutron radioscopic images of burning cigarettes under both static and dynamic smoking conditions were analysed with a video image processor to measure the changes occurring in the images. These changes were related to the actual mass changes occurring in the cigarette rod during the burning process. The neutron images were used to determine the deposition, movement and evaporation of pyrolysis products in the cigarette rod. In addition, the experimental data were used to calculate the mass burn rates of cigarettes. While the instantaneous mass burn rate of a smouldering cigarette can be measured with a balance, neutron radioscopy can be used to determine it under both static and dynamic smoking conditions. The results of this study, along with background information on neutron radioscopy, calibration methods and the image processing procedures, are presented.

Measurement of Dynamic Mass Changes in Burning Cigarettes by Neutron Radioscopy

Department of Mechanical, Aerospace and Nuclear Engineering, University of Virginia, Charlottesville, VA 22903, USA

Philip Morris Research Centre, P.O. Box 26583, Richmond, VA 23261, USA

Mechanical Engineering Department, Ohio Northern University, Ada, Ohio 45810, USA

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

{"article-title":"Measurement of Dynamic Mass Changes in Burning Cigarettes by Neutron Radioscopy"}

Neutron radioscopic images of burning cigarettes under both static and dynamic smoking conditions were analysed with a video image processor to measure the...

Measurement of Dynamic Mass Changes in Burning Cigarettes by Neutron Radioscopy

Publié en ligne: 06 janv. 2015

Pages: 3 - 13

Reçu: 18 avr. 1996

Accepté: 25 juil. 1996

DOI: https://doi.org/10.2478/cttr-2013-0648

© 1996 Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.