Design and evaluation of a unipolar aerosol charger to generate highly charged micron-sized aerosol particles |
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| Authors: | Jaehong Park Chul Kim Jimin Jeong Sang-Gu Lee Jungho Hwang |
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| Affiliation: | 1. School of Mechanical Engineering, Yonsei University, Seoul 120-749, Republic of Korea;2. Department of Clean Technology Engineering, Yonsei University, Seoul 120-749, Republic of Korea |
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| Abstract: | In this study, a unipolar charger for generating highly charged microparticles was designed and its performance was evaluated both theoretically and experimentally. The measured particle charge number and corona current of the charger were in good agreement with the theoretical results from FLUENT. The experimentally determined average particle charge number of 1 μm PSL under an applied voltage of 8 kV was 128, which agreed well with the theoretically predicted and simulated values of 118 and 121, respectively. Computational calculations revealed the average charge of 10 μm particles to be 7560 at an applied voltage of 8 kV. |
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