Knudsen diffusion and surface trapping rates in slit, capillary, and spherical pores

被引：1
|
作者：
Strieder, William [1 ]
Saddawi, Salma [1 ]
机构：
[1] Univ Notre Dame, Dept Chem & Biomol Engn, Notre Dame, IN 46556 USA
来源：
JOURNAL OF CHEMICAL PHYSICS | 2014年 / 141卷 / 12期
关键词：
EXCITATION TRANSFER; DYNAMICS; SYSTEMS; MEDIA; FLOW; GAS;
D O I：
10.1063/1.4895609
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
De Gennes model for Knudsen diffusion and strong surface trapping kinetics is applied to slit, capillary, and spherical pores. The exact analytical survival probability-time expressions obtained for each case, which scale with the average pore diameter, are compared with numerical simulation curves for a densely packed hard sphere model porous bed. (C) 2014 AIP Publishing LLC.
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页数：4
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