Modified sublayer approach model for analysis of turbulent particle transports |
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| Authors: | CH Chiu HS Chen MC Chiou |
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| Institution: | aDepartment of Vehicle Engineering, National Formosa University, 64 Wen-Hua Road, Yunlin 632, Taiwan;bDepartment of Material Science and Engineering, National Formosa University, Yunlin, Taiwan |
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| Abstract: | Attempt is to extend the sublayer approach model to capture the combined effects of thermophoresis and turbophoresis on the particle transport in the turbulent boundary flow with thermal gradients. Analytical solution relying on a more detailed picture of the periodic sublayer development in the wall region has been obtained. During the average growth period of viscous sublayer, the physical trend of the modeling parameters has been quantitatively revealed in some extent, and the calculated results of the particle deposition rate for the different ranges of the particle relaxation time are in general agreement with available particle transport data. |
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| Keywords: | Sublayer approach model Thermophoresis Turbophoresis Particle relaxation time |
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