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Numerical study and dimentional analysis of the particle seperation using the inertial force in a U-shap channel
LIU Yang 1 *,CHEN Nuan 2
1.Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Gouzhou 510275
2.School of Engineering, Sun Yat-Sen University, 510275
*Correspondence author
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Funding: 高等学校博士学科点专向科研基金 新教师基金 （No.20120171120018）
Opened online:12 May 2016
Accepted by: none
Citation: LIU Yang,CHEN Nuan.Numerical study and dimentional analysis of the particle seperation using the inertial force in a U-shap channel[OL]. [12 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4686862
 
 
A U-shape microchannel combining inertial separation and acoustofluidics at the same time is shown to separate particles of different sizes. The function relationship between the lateral migration of particles and some parameters is deduced by dimensional analysis. Numerical studies in Fluent are consequently conducted to confirm this relationship. The result shows that the distant that the particles traverse the channel and the cube of the flow velocity of the fluid have a linear relation. This distance also has a linear relation with the diameter of the particle. These relationships will not only provide help for particle separation in the U-shape microchannel, but also gives a further understanding of particle motion in curved channel.
Keywords:applied mechanics; microfluidic chip; particle separation; inertial effect; acoustic radiation force
 
 
 

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