Computational fluid dynamics simulation of aerosol transport and deposition

doi:10.1007/s11783-011-0365-8

Front Envir Sci Eng Chin

2011, Vol. 5

Issue (3) : 362-377 https://doi.org/10.1007/s11783-011-0365-8

REVIEW ARTICLE

Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO(

)

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA

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Abstract

In this article computational fluid dynamics (CFD) simulation of aerosol transport and deposition, i.e. the transport and deposition of particles in an aerosol, is reviewed. The review gives a brief account of the basics of aerosol mechanics, followed by a description of the general CFD approach for flow field simulation, turbulence modeling, wall treatments and simulation of particle motion and deposition. Then examples from the literature are presented, including CFD simulation of particle deposition in human respiratory tract and particle deposition in aerosol devices. CFD simulation of particle transport and deposition may provide information that is difficult to obtain through physical experiments, and it may help reduce the number of experiments needed for device design. Due to the difficulty of describing turbulent flow and particle-eddy interaction, turbulent dispersion of particles remains one of the greatest challenges for CFD simulation. However, it is possible to take a balanced approach toward quantitative description of aerosol dispersion using CFD simulation in conjunction with empirical relations.

Keywords computational fluid dynamics (CFD) aerosol transport deposition

Corresponding Author(s): GUO Bing,Email:bioaerosol@gmail.com

Issue Date: 05 September 2011

Cite this article:

Yingjie TANG,Bing GUO. Computational fluid dynamics simulation of aerosol transport and deposition[J]. Front Envir Sci Eng Chin, 2011, 5(3): 362-377.

URL:

https://academic.hep.com.cn/fese/EN/10.1007/s11783-011-0365-8
https://academic.hep.com.cn/fese/EN/Y2011/V5/I3/362

Fig.1 Visualization of particle deposition locations on the surface of BSI inner shell (top view) for particle diameter of 10, 15, and 20 μm at free wind speed of 24 km·h

Fig.2 CFD-based contours of velocity and visualization of deposition in ACI []: (a) contours of velocity magnitude for stage 1; (b) collection plate deposition pattern in stage 0 for 8 μm particles. Reproduced with premission

Fig.3 CFD simulation results with or without turbulent dispersion effect in BSI model at the free wind speed of 24 km·h

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