Pressure drop measurements of ceramic sponges-Determining the hydraulic diameter

被引：165

作者：

Dietrich, Benjamin ^{[1
]}

Schabel, Wilhelm ^{[1
]}

Kind, Matthias ^{[1
]}

Martin, Holger ^{[1
]}

机构：

[1] Univ Karlsruhe TH, Inst Therm Verfahrenstechh, D-76131 Karlsruhe, Germany

来源：

CHEMICAL ENGINEERING SCIENCE | 2009年 / 64卷 / 16期

关键词：

Ceramic sponges; Foam; Momentum transfer; Porous media; Hydraulic diameter; Pressure drop correlation; FOAMS;

D O I：

10.1016/j.ces.2009.05.005

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper presents experimental results of pressure drop measurements for different solid ceramic sponges. In the experiments, the material, pore sizes and porosity were varied. Furthermore, this data is correlated using an Ergun-type equation. It was possible to obtain Ergun constants for sponges independently of the varied parameters. In the future, the presented pressure drop correlation will provide a simple method for determining hydraulic diameters for solid ceramic sponges with unknown geometric parameters (strut, window and pore diameter,....) based on pressure drop measurements. Furthermore a correlation is given to derive the hydraulic diameter from the ppi (pores per inch) number. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：3633 / 3640

页数：8

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