Inertial focusing of particles with an aerodynamic lens in the atmospheric pressure range

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作者：
机构：
[1] Lee, Jin-Won
[2] Yi, Min-Young
[3] Lee, Sang-Min
来源：
Lee, J.-W. (jwlee@pop.postech.ac.kr) | 1600年 / Elsevier Ltd卷 / 34期
关键词：
Aerodynamics - Atmospheric pressure - Laser applications - Light scattering - Orifices - Particle beams - Reynolds number;
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摘要：
The performance of an aerodynamic lens operating at atmospheric pressure is analyzed numerically, and the results are verified through experiments measuring the particle beam size by laser light scattering. It is shown that a strongly focused particle beam is obtainable with a single orifice at atmospheric pressure, when the orifice Reynolds number is in the range 300≤Re≤700. Two different orifice sizes, d/D=0.1 and 0.2, and particle sizes of 1-10 μm are studied with the Stokes number in the range 0.01
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