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Lift Force on Spherical Nanoparticles in Shear Flows of Rarefied Binary Gas Mixtures

Authors Luo, Shuang
Wang, Jun
Xia, Guodong
Li, Zhigang View this author's profile
Issue Date 2016
Source Journal of Fluid Mechanics , v. 809, December 2016, p. 345-359
Summary In this work, we study the lift force on spherical nanoparticles suspended in a shear flow of rarefied binary gas mixtures. Analytical formulae are developed using the gas kinetic theory by considering non-rigid-body intermolecular interactions between the particle and gas molecules. It has been shown that the lift force formulae can be reduced to those in pure gases. It is also found that the direction of the lift force on nanoparticles in binary gas mixtures can be changed by varying the temperature, gas-particle interaction and/or gas concentrations. © 2016 Cambridge University Press.
ISSN 0022-1120
Language English
Format Article
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