Korean Journal of Chemical Engineering, Vol.35, No.7, 1517-1524, 2018
Numerical study on particle deposition in rough channels with large-scale irregular roughness
We studied particle deposition in rough channels, using the W-M fractal function to characterize a largescale irregular surface with a root-mean-square roughness of 0.5mm. The flow was numerically investigated by Reynolds stress model, and the particles were tracked by a Lagrangian particle model. An analysis of the flow field in a rough channel shows that the roughness enhances the max flow velocity and the pressure drop in the channel. It induces several eddies in the concave of the rough surface. We also compared particle deposition in a rough channel with particle deposition in a smooth channel. This comparison shows that the roughness significantly enhances the particle deposition of small particles, but the enhancement decreases with the increase of particle size. Moreover, the particle deposition ratio decreases with increasing flow velocity
[References]
Lecrivain G, Barry L, Hampel U, Powder Technol. , 258 , 134, 2014
Feng H, Wang C, Huang Y, Korean J. Chem. Eng. , 34 (11), 2832, 2017
Lai ACK, Byrne MA, Goddard AJH, J. Aerosol Sci. , 32 (1), 121, 2001
Sommerfeld M, Kussin J, Powder Technol. , 142 (2-3), 180, 2004
Browne LWB, Atmospheric Environment , 8 , 801, 1974
El-Shobokshy MS, Ismail IA, Atmospheric Environment , 14 , 297, 1980
Wood NB, J. Aerosol Sci. , 12 , 275, 1981
El-Shobokshy MS, Atmos. Environ. , 17 , 639, 1983
Kussin J, Sommerfeld M, Exp. Fluids , 33 , 143, 2002
Chen Q, Build. Environ. , 44 , 848, 2009
Jiang H, Lu L, Sun K, Build. Environ. , 45 , 1184, 2010
Sun K, Lu L, Jiang H, Build. Environ. , 46 , 1251, 2011
Andarwa S, Tabrizi HB, Korean J. Chem. Eng. , 34 (5), 1319, 2017
De Marchis M, Milici B, Sardina G, Napoli E, Int. J. Multiphase Flow , 78 , 117, 2016
Milici B, De Marchis M, Int. J. Heat Fluid Flow , 60 , 1, 2016
Yao J, Fairweather M, Chem. Eng. Sci. , 84 , 781, 2012
Lecrivain G, Sevan DM, Thomas B, Hampel U, Adv. Powder Technol. , 25 (1), 310, 2014
Tian L, Ahmadi G, J. Aerosol Sci. , 38 (4), 377, 2007
Lain S, Sommerfeld M, Kussin J, Int. J. Heat Fluid Flow , 23 , 647, 2002
Lu H, Lu J, Build. Environ. , 85 , 61, 2015
Lu H, Lu L, Build. Environ. , 92 , 317, 2015
Lu H, Lu L, Build. Environ. , 94 , 43, 2015
Lu H, Lu L, Appl. Therm. Eng. , 93 , 697, 2016
Mandelbrot BB, Fractals: Form, chance and dimension, Freeman WH & Co., San Francisco (1977).
Chen Y, Fu P, Zhang C, Shi M, Int. J. Heat Fluid Flow , 31 , 622, 2010
Zhang C, Deng Z, Chen Y, Int. J. Heat Mass Transfer , 70 , 322, 2014
Chen Y, Zhang C, Shi M, Peterson GP, Phys. Rev. E , 80 , 026301, 2009
Chen Y, Zhang C, Shi M, Peterson GP, Appl. Phys. Lett. , 97 , 084101, 2010
Guo L, Xu H, Gong L, Appl. Therm. Eng. , 84 , 399, 2015
Ling FF, Wear , 136 , 141, 1990
Majumdar A, Tien CL, Wear , 136 , 313, 1990
Launder BE, Reece GJ, Rodi W, J. Fluid Mech. , 68 , 537, 1975
Launder BE, Spalding DB, Lectures in mathematical models of turbulence, Academic Press, London (1972).
Hinds WC, Aerosol technology: Properties, behavior, and measurement of airborne particles, Wiley, New York (1984).
Kim J, Moin P, Moser R, J. Fluid Mech. , 177 , 133, 1987
Colebrook CF, White CM, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 161, 367 (1937).
Guha A, J. Aerosol Sci. , 28 (8), 1517, 1997
Liu H, Zhang L, Appl. Therm. Eng. , 31 , 3402, 2011
Ounis H, Ahmadi G, J. Fluids Eng. , 112 , 114, 1990
Kvasnak W, Ahmadi G, Bayer R, Gaynes M, J. Aerosol Sci. , 24 , 795, 1993
Sippola MR, Nazaroff WW, Aerosol Sci. Technol. , 38 , 914, 2004
Zhang Z, Chen Q, Atmos. Environ. , 43 , 319, 2009
Gao N, Niu J, He Q, Zhu T, Wu J, Build. Environ. , 48 , 206, 2012
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