Numerical simulation of a multi-port differential mobility analyzer (MP-DMA) used in a real-time nano-particle sizer (NPS)
- Authors
- Lee, Handol; Lee, Hong Ku; Ahn, Kang-Ho
- Issue Date
- Feb-2020
- Publisher
- ELSEVIER
- Keywords
- Nano-particle sizer; Multi-port differential mobility analyzer; Transfer function; Computational fluid dynamics; Lagrangian particle tracking
- Citation
- POWDER TECHNOLOGY, v.362, pp 135 - 144
- Pages
- 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- POWDER TECHNOLOGY
- Volume
- 362
- Start Page
- 135
- End Page
- 144
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/1273
- DOI
- 10.1016/j.powtec.2019.11.055
- ISSN
- 0032-5910
1873-328X
- Abstract
- In a recently conducted study, we developed a nano-partide sizer (NPS) that consists of a multi-port differential mobility analyzer (MP-DMA) and two multi condensation particle counters (M-CPCs) for achieving fast measurements of aerosol particles; however, the performance of MP-DMA was not detailed in the study. Therefore, the objective of this study is to perform numerical simulations to obtain the transfer function of each port in the MP-DMA, which is the main component of the NPS. We observed good agreement between the numerically obtained central particle size of each port and the experimental data under the same operating conditions. The transmission probability and resolution of each port were determined and analyzed under various conditions using the transfer function. The findings of this study shall help in understanding the advantages of NPS. (C) 2019 Elsevier B.V. All rights reserved.
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