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Development of a miniature cyclone separator operating at low Reynolds numbers as a pre-separator for portable black carbon monitors

Title
Development of a miniature cyclone separator operating at low Reynolds numbers as a pre-separator for portable black carbon monitors
Author
육세진
Keywords
Black carbon monitor; Collection efficiency; Cyclone separator; Reynolds number; Sampling inlet
Issue Date
2021-12
Publisher
Elsevier B.V.
Citation
Advanced Powder Technology, v. 32, NO. 12, Page. 4779-4787
Abstract
In this study, a cyclone separator that can be used as a sampling inlet for portable black carbon (BC) monitors operating at a flow rate of less than 200 mL/min was developed. A prototype was fabricated to evaluate its performance by experiments, and the cut-off size of the cyclone separator was predicted through numerical analysis by applying various turbulence models. The RNG k–ε model was found to be suitable for the analysis of the cyclone separator operating at Reynolds numbers of less than 1000. Cyclone separators were designed through simulation and fabricated for each operating flow rate (50, 100, 150, and 200 mL/min) of a BC monitor, and their performances were experimentally verified. Meanwhile, when the non-dimensional analysis method of the previous study conducted at Reynolds numbers of 1000 or higher was used, the cyclone separator operating at Reynolds numbers of less than 1000 also exhibited a similar linear tendency.
URI
https://linkinghub.elsevier.com/retrieve/pii/S0921883121005197https://repository.hanyang.ac.kr/handle/20.500.11754/177824
ISSN
0921-8831;1568-5527
DOI
10.1016/j.apt.2021.10.027
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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