Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 육세진 | - |
dc.date.accessioned | 2022-08-10T01:00:19Z | - |
dc.date.available | 2022-08-10T01:00:19Z | - |
dc.date.issued | 2020-11 | - |
dc.identifier.citation | SEPARATION AND PURIFICATION TECHNOLOGY, v. 250, article no. 117275, page. 1-9 | en_US |
dc.identifier.issn | 1383-5866 | - |
dc.identifier.issn | 1873-3794 | - |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S1383586620317494?via%3Dihub | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/172257 | - |
dc.description.abstract | Virtual impactors are capable of aspirating aerosols in the air, concentrating particles of a certain size, and discharging these particles through a minor flow. In general, commonly used virtual impactor has a cut-off size of 1 μm or more, a concentration ratio of 10–20 times, and an operating flowrate of 10 L/min; it is used to increase the detection probability of various aerosol measuring equipment. In this study, we developed a special-purpose virtual impactor aimed at the mass capturing of aerosols, including pathogens released by human respiration or coughing. For this purpose, we designed a virtual impactor exceeding the typical operating range, with a cut-off size of 0.3 μm and a concentration ratio of 13.3. Five multi-slit nozzles were adopted to indicate a cut diameter of 0.3 μm for a high aerosol flowrate of 170 L/min. Clean air was injected near the nozzle wall of the virtual impactor to minimize wall loss and further reduce the cut-off size. The performance of the designed virtual impactor was verified through numerical analyses and experimentation. As a result, aerosol aspirated at 170 L/min of flowrate was effectively concentrated in the minor flow with a cut-off size of 0.3 μm. | en_US |
dc.description.sponsorship | This work was supported by the National Research Council of Science & Technology (NST) grant from the Korean government (MSIP), No. CRC-16-01-KRICT. | en_US |
dc.language.iso | en | en_US |
dc.publisher | ELSEVIER | en_US |
dc.subject | Virtual impactor | en_US |
dc.subject | Slit nozzle | en_US |
dc.subject | Collection efficiency | en_US |
dc.subject | Clean air | en_US |
dc.subject | Wall loss | en_US |
dc.title | Development of a multi-slit virtual impactor as a high-volume bio-aerosol sampler | en_US |
dc.type | Article | en_US |
dc.relation.volume | 250 | - |
dc.identifier.doi | 10.1016/j.seppur.2020.117275 | - |
dc.relation.page | 1-9 | - |
dc.relation.journal | SEPARATION AND PURIFICATION TECHNOLOGY | - |
dc.contributor.googleauthor | Lim, Jun-Hyung | - |
dc.contributor.googleauthor | Park, Daeui | - |
dc.contributor.googleauthor | Yook, Se-Jin | - |
dc.relation.code | 2020053569 | - |
dc.sector.campus | S | - |
dc.sector.daehak | COLLEGE OF ENGINEERING[S] | - |
dc.sector.department | SCHOOL OF MECHANICAL ENGINEERING | - |
dc.identifier.pid | ysjnuri | - |
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