Effects of Cigarette Paper Permeability on Temperature Distribution in Cigarette Combustion Cone

The effects of cigarette paper permeability on some smoke components and the cigarette burning temperature during smoking were studied.The cigarette burning temperature was investigated with a thermocouple-based device specially designed for this purpose.The effects of cigarette paper permeability on cigarette burning temperature and smoke yields(tar,nicotine and CO deliveries) were analyzed.The results showed that:1) during smouldering,with the increase of paper permeability,the high temperature zone(HTZ) expanded,while the 200-260℃ zone shrank;2) during puffing,HTZ expanded first and then shrank when paper permeability increased from 30 CU to 137 CU;200-260℃ zone shrank when paper permeability increased from 30 CU to 55 CU,however,it maintained generally unchanged when the permeability increased from 55 CU to 137 CU.