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卷烟燃吸状态下的气体流量分配

Tobacco Science & Technology(2022)

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Abstract
为了考察卷烟燃吸时的气体流量分配规律,设计了一种测定烟支不同部分进气量的装置;采用该装置测定了卷烟燃吸状态下燃烧锥端、卷烟纸段和滤嘴段的进气量,分析了卷烟燃吸时不同部分的气体流量分配规律和燃烧锥烟气净生成量.结果表明:①卷烟燃吸时,卷烟纸段和滤嘴段进气量大于未燃卷烟,燃烧锥端进气量小于未燃卷烟,滤嘴通风卷烟的滤嘴通风率大于未燃卷烟.②无滤嘴通风卷烟燃吸时,燃烧锥端进气量与烟丝段长度呈线性递减关系,卷烟纸段进气量与烟丝段长度的二次方呈正比关系.③卷烟抽吸时燃烧锥存在净生成气体量,且烟气净生成量与燃烧锥进气量呈正比,实验卷烟燃吸时每毫升燃烧锥端进气量约净生成0.24 mL气体.
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