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numerical simulation of flow field in inorganic ceramic membrane tube

Authors： ZHOU Xiangfu, WU Yiyi, NIE Dengpan, TAO Wenliang

Units： School of Chemical Engineering, Guizhou Minzhu University, Guiyang, Guizhou 550025;Guizhou Association for Science and Technology,Guiyang, Guizhou 550025

KeyWords： CFD; Porous medium; Inorganic membrane tube; Pressure drop; Turbulence

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2021,41(2):110-116

Abstract：

In order to clarify the inorganic ceramic membrane tube (referred to as membrane tube) filter gas, The characteristics of the flow field inside the membrane tube under different working pressures, In this paper, computational fluid dynamics (CFD) is used to simulate the flow field inside the membrane tube. The simulation results reveal the variation rules of the gas flow in the pressure field, velocity field and turbulent kinetic energy in the membrane tube. Taking the turbulent kinetic energy as a reference, the vulnerable position of the membrane tube is evaluated. It is also found that under different working pressures, The turbulent kinetic energy at the top （L=200mm）and bottom（L=800mm）is the highest and the gas disturbance is the strongest, which is vulnerable to damage. The model presented in this paper can predict the change rule of the flow field inside the membrane tube and provide some guidance for the industrial application design of the membrane tube.

Funds：

贵州省教育厅创新群体重大科研项目（黔教合KY[2018]016）；贵州省科技计划项目（黔科合支撑[2020]4Y014）

AuthorIntro：

周相府（1995），男，贵州六枝，硕士研究生，从事膜分离方向，E-mail：1047458096@qq.com

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