Model simulation and experiments of flow and mass transport through a nano-material gas filter

被引：15

作者：

Yang, Xiaofan ^{[1
]}

Zheng, Zhongquan Charlie ^{[2
]}

Winecki, Slawomir ^{[3
]}

Eckels, Steve ^{[4
]}

机构：

[1] Pacific NW Natl Lab, Hydrol Grp, Richland, WA 99352 USA

[2] Univ Kansas, Dept Aerosp Engn, Lawrence, KS 66045 USA

[3] NanoScale Corp, Manhattan, KS 66506 USA

[4] Kansas State Univ, Dept Mech & Nucl Engn, Manhattan, KS 66506 USA

来源：

APPLIED MATHEMATICAL MODELLING | 2013年 / 37卷 / 20-21期

关键词：

Packed-bed; Nano-material; Numerical models of porous materials; Adsorption; ACTIVATED CARBON-FIBERS; WATER-VAPOR; FIXED-BED; ADSORPTION DYNAMICS; HEAT-TRANSFER; AMMONIA; CFD; KINETICS;

D O I：

10.1016/j.apm.2013.04.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A computational model for evaluating the performance of nano-material packed-bed filters was developed. The porous effects of the momentum and mass transport within the filter bed were simulated. For the momentum transport, an extended Ergun-type model was employed and the energy loss (pressure drop) along the packed-bed was simulated and compared with measurement. For the mass transport, a bulk adsorption model was developed to study the adsorption process (breakthrough behavior). Various types of porous materials and gas flows were tested in the filter system where the mathematical models used in the porous substrate were implemented and validated by comparing with experimental data and analytical solutions under similar conditions. Good agreements were obtained between experiments and model predictions. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：9052 / 9062

页数：11

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