Transient pressure drop of diesel particulate filters

被引：0
|
作者：
Konstandopoulos, Athanasios G. [1 ]
Kladopoulou, Evdoxia [1 ]
Skaperdas, Evangelos [1 ]
机构：
[1] Chemical Process Engineering Research Institute, Aerosol and Particle Technology Laboratory, PO Box 361, Thermi 57001 Thessaloniki, Greece
来源：
Journal of Aerosol Science | 2000年 / 31卷 / SUPPL. 1期
关键词：
Algorithms - Computer simulation - Diesel fuels - Mechanical permeability - Microstructure - Particle size analysis - Particulate emissions - Pore size - Porous materials - Pressure drop - Regression analysis - Wall flow;
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学科分类号：
摘要：
The challenges associated with the description of the transient filtration/loading behavior of diesel particulate filters and the problem of predicting the pressure drop behavior of the filters are discussed. A numerical code has been developed to solve the model equation that simulates the deep-bed-to-cake transition through the progressive blocking of the filter wall. A prescribed particle size distribution is tracked through the filter medium, which is discretized in slabs where the local collection efficiency is computed using the concept of `unit collector.'
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