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	Numerical simulation of fine particles trapping process using a wall-flow honeycomb filter
	Meng Zhongwei ; Song Qiang ; Yao Qiang ; He Bailei ; Xu Xuchang
	2010-05-11 ; 2010-05-11
关键词	Practical Theoretical or Mathematical/ channel flow flow simulation honeycomb structures numerical analysis particle traps/ numerical simulation fine particles trapping wall-flow honeycomb filter pressure drop one-dimensional unsteady model flow simulation channel flow particle layer distribution/ A4760 Flows in ducts, channels, and conduits A4710 General fluid dynamics theory, simulation and other computational methods A0260 Numerical approximation and analysis
中文摘要	Pressure drop is a key parameter for evaluating filter performance. A one-dimensional unsteady model was developed to simulate the trapping of fine particles by a wall-flow filter by simulating the flow field and particle layer distribution in a channel. The numerical simulations showed the influence of particle layer migration on the particle layer distribution and filter pressure drop, along with the influence of filter configuration and inlet flow parameters on the filter pressure drop. The results show that the particle layer distribution directly influences the filter pressure drop. With stronger particle layer migration, the particle layer distribution varies from flat to linearly increasing with the filter pressure drop increasing slowly at first and then decreasing. Increases in the filter length reduce the filter pressure drop, while increases in the filter cell density increase the initial filter pressure drop, but reduce the filter pressure drop at high particle loads. Increases in the inlet flow rate or the particle concentration both increase the filter pressure drop.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/25611]
专题	清华大学
推荐引用方式 GB/T 7714	Meng Zhongwei,Song Qiang,Yao Qiang,et al. Numerical simulation of fine particles trapping process using a wall-flow honeycomb filter[J],2010, 2010.
APA	Meng Zhongwei,Song Qiang,Yao Qiang,He Bailei,&Xu Xuchang.(2010).Numerical simulation of fine particles trapping process using a wall-flow honeycomb filter..
MLA	Meng Zhongwei,et al."Numerical simulation of fine particles trapping process using a wall-flow honeycomb filter".(2010).

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