文章摘要
冯冰霞,卢立新,潘嘹.包装热封微孔孔道气体交换模型的建立及验证[J].包装工程,2017,38(5):88-91.
FENG Bing-xia,LU Li-xin,PAN Liao.Establishment and Verification of Gas Exchange Model of Heat Sealing Micropore Channel in Packaging Bags[J].Packaging Engineering,2017,38(5):88-91.
包装热封微孔孔道气体交换模型的建立及验证
Establishment and Verification of Gas Exchange Model of Heat Sealing Micropore Channel in Packaging Bags
投稿时间:2016-03-01  修订日期:2017-03-10
DOI:
中文关键词: 微孔  包装袋  气体交换  模型  孔道
英文关键词: micropore  packaging bags  gas exchange  model  channel
基金项目:
作者单位
冯冰霞 江南大学无锡 214122 
卢立新 1.江南大学无锡 2141222.江苏省食品先进制造装备技术重点实验室无锡 214122 
潘嘹 1.江南大学无锡 2141222.江苏省食品先进制造装备技术重点实验室无锡 214122 
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中文摘要:
      目的 建立包装袋热封微孔孔道内外气体交换模型,并对其进行实验验证。方法 基于泊肃叶定律建立包装袋热封微孔孔道内外气体交换模型,并通过改变孔道直径、孔长以及内外压差等相关参数进行实验验证。结果 当微孔直径为100,140,180 μm时,气体交换的实验值与模型值误差基本维持在5%以内;随着孔道直径、内外压差的增大,微孔孔道气体交换量增加,且变化显著;对初始内外压差、孔径一定的微孔孔道,改变孔长对气体交换有一定影响。结论 所建立的气体内外交换模型的预测值与实验值吻合度高。
英文摘要:
      The work aims to establish the gas exchange model of heat sealing micropore channel in packaging bags and verify the model by experiments. The gas exchange model of heat sealing micropore channel in packaging bags was established based on poiseuille's law. The model was verified by changing the related parameters, such as pore channel diameter, pore length and inner and outer pressure difference. When the mircopore diameter were 100, 140 and 180 μm, the error between the gas exchange experimental value and model value basically maintained within 5%. With the increase in channel diameter and inner and outer pressure difference, the micropore channel gas exchange capacity was increased and changed obviously. For the micropore channel with initial inner and outer pressure difference and certain pore diameter, changing the length of pore had certain effects on gas exchange. The predicted value of the established gas exchange model achieves high conformity with the experimental value.
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