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19通道多孔陶瓷膜渗透过程的CFD模拟
  • 期刊名称:化工学报, 2007,58(8):2021-2026.
  • 时间:0
  • 分类:TQ028.8[化学工程]
  • 作者机构:[1]南京工业大学膜科学技术研究所,江苏南京210009
  • 相关基金:国家重点基础研究发展计划项目(2003CB615700);国家自然科学基金项(20436030);江苏省高校自然科学研究计划项目(04KJB530043);博士后科研基金项目.
  • 相关项目:新型分离材料的制备与应用的关键科学问题
中文摘要:

引言 多孔陶瓷膜作为无机膜的一种,由于具有耐高温、耐酸碱、强度高等有机膜所无法比拟的优点,近年来在液体分离领域得到了广泛的应用.

英文摘要:

Based on Darcy's law, a CFD model of permeate process in 19-channel ceramic membrane was established. The pure water flux (PWF) of ceramic membranes was predicted by the CFD model with the finite volume method. By using this method, the simulated PWF of 19-channel ceramic membrane was in good agreement with experimental results. The contributions of each channel to the total PWF of 19- channel ceramic membranes depended on the mean pore size of membrane as well as on the distance of the channel from the membrane outer surface. CFD modeling is an essential tool in designing the configuration of ceramic membrane.

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