Study on cigarette ventilation with cigarette materials and the properties of cigarettes 1. Effect of tipping paper permeability and plugwrap porosity on the cigarette pressure drop and ventilation

제조담배의 연기희석에 미치는 재료품과 궐련 물성 연구 I. 제조담배의 연기희석율과 팁 흡인저항에 미치는 팁페이파 및 필터권지 기공도의 영향

The effects of tipping paper permeability and plugwrap porosity on the ventilation and the pressure drop of cigarettes have been studied and the results obtained were as follows. 1. The single and the multiple regression equation to estimate tip ventilation were establised. In the equations, the observed values of the tip ventilation with the varieties the plugwrap porosity were content with them by the single regression equation. 2. As based on the statistical consideration of the above equation, the deviation of the observed tip ventilation versus the tipping paper permeability were higher than them to the plugwrap porosity. 3. The regression equations to calculate pressure drop ratio and the total ventilation rate in filter tip from the tea ventilation were obtained. According to the equation, the observed values of the pressure drop ratio were significantly similar to them calculated. 4. It was found that the equations could be applied to the calculation of the ventilation of cigarettes using the mechanical and micro laser perforation tipping paper as well as the electrically perforated tipping paper of this Study.