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Effect of motion of the medium on the photophoresis of hot hydrosol particles |
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| Authors: | N. V. Malai |
| Affiliation: | (1) Graduate School of Defense Science Studies, Chung Cheng Institute of Technology, National Defense University, Tahsi, Taoyuan, 33509, Taiwan, ROC;(2) Department of Aerospace and Systems Engineering, Feng Chia University, Seatwen, Taichung, 40724, Taiwan, ROC;(3) Department of Mechatronics, Energy and Aerospace Engineering, Chung Cheng Institute of Technology, National Defense University, Tahsi, Taoyuan, 33509, Taiwan, ROC;(4) Department of Biomedical Engineering, Yuanpei University, Hsinchu, 30015, Taiwan, ROC; |
| Abstract: | The photophoretic motion of a solid spherical particle in a viscous fluid is described theoretically in the Stokes approximation for small Péclet and Reynolds numbers and large temperature differences near the particle. In solving the hydrodynamic equations, an exponential-power law is used for the temperature dependence of the viscosity. The heat transfer equations are solved using the method of matched asymptotic expansions. The possibility of the experimental observation of photophoresis in liquids is discussed. |
| Keywords: | photophoresis photophoresis in a liquid |
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