The experimental device used to explore the dynamical behavior of inhalable particles, PM2.5, was set up by means of a visualization method based on a microscope and pulsed laser illumination. The aerosol generator based on the principle of fluidization bed generated inhalabel particles, emitted from a coal‐fired power plant. Trajectories and shapes of the particles in the acoustic wave field were visualized and recorded by a high‐rate CCD camera. The image recorded the details of particle motion, which showed that the trajectories of particles in an acoustic wave field swept much greater area because of the acoustic entrainment in comparison with the particulate trajectories under without acoustic excitation. From the images of particles illuminated by pulse laser, the single particles could be distinguished form the aggregates. Moreover three ways to determine the size of an observed object was introduced which made it possible to study the quantificational dynamic behaviors of an observed particle. It was found that to fine particle the way based on acoustic entrainment was the most reliable among these three ways.
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5 June 2007
MULTIPHASE FLOW: THE ULTIMATE MEASUREMENT CHALLENGE: Proc.of The 5th Int. Symp. on Measurement Techniques for Multiphase Flows (5th ISMTMF); 2nd Int. Wrkshp.on Process Tomography (IWPT-2) (As a part of ISMTMF); 5th ISMTMF/IWPT-2, 2006-Macau/Zhuhai)
10-13 December 2006
Macau (China)
Research Article|
June 05 2007
Experimental Study on Motion of Inhable Particles in Acoustic Field Based on Microscopical Visualization Available to Purchase
Bing Zhao;
Bing Zhao
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
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Yin Leng;
Yin Leng
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
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Houtao Chen;
Houtao Chen
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
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Gang Yao;
Gang Yao
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
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Xianglin Shen
Xianglin Shen
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
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Bing Zhao
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
Yin Leng
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
Houtao Chen
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
Gang Yao
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
Xianglin Shen
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, 210096 Nanjing, China
AIP Conf. Proc. 914, 555–560 (2007)
Citation
Bing Zhao, Yin Leng, Houtao Chen, Gang Yao, Xianglin Shen; Experimental Study on Motion of Inhable Particles in Acoustic Field Based on Microscopical Visualization. AIP Conf. Proc. 5 June 2007; 914 (1): 555–560. https://doi.org/10.1063/1.2747480
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