Radial Dispersion in Liquid Upflow through Solid SiC Foams

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• 作者：Tri Truong Huu ; Re虂gis Philippe ; Patrick Nguyen ; David Edouard ; Daniel Schweich
• 刊名：Industrial & Engineering Chemistry Research
• 出版年：2011
• 出版时间：April 20, 2011
• 年：2011
• 卷：50
• 期：8
• 页码：4329-4334
• 全文大小：887K
• 年卷期：v.50,no.8(April 20, 2011)
• ISSN：1520-5045

文摘

The radial dispersion process of an inert tracer in an upward liquid flow (superficial velocity from 3 脳 10^鈭? to 13 脳 10^鈭? m路s^鈭?) through high-porosity (0.85 and 0.90 void fractions) solid foam samples of various lengths (6鈭?5 cm) has been investigated. As in a standard packed bed the radial P茅clet number based on the 鈥渃ell diameter鈥?is found to be of the order of 10 when the process is governed by mechanical dispersion. The results are in agreement with the flow contribution to the effective radial heat conductivity measured independently on the same type of foams.