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Conference Paper: Detachment of droplets from surfaces due to turbulent flow
| Title | Detachment of droplets from surfaces due to turbulent flow |
|---|---|
| Authors | |
| Keywords | Turbulent flow Detachment Droplet |
| Issue Date | 2014 |
| Citation | Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate, 2014, p. 453-459 How to Cite? |
| Abstract | Detachment of droplets from surfaces due to turbulent flow was studied experimentally. A wind tunnel generating a fully developed channel flow was constructed. Droplets on three different materials were tested in the wind tunnel. With plastic and glass substrates, the whole droplet moved when the velocity of the air current exceeded a critical value. For a stainless steel substrate, the droplet split into portions; one portion migrated and the other portion stayed at the initial position. When a droplet came to the end of the three tested substrates and reached the edge of a step, it moved along the step. Under the tested flow condition, all droplets either remained in the place or slid on the substrate, but no resuspension to the airborne state was observed. |
| Persistent Identifier | http://hdl.handle.net/10722/255962 |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Leung, Wingtong | - |
| dc.contributor.author | Fu, Sauchung | - |
| dc.contributor.author | Chao, Christopher Y.H. | - |
| dc.date.accessioned | 2018-07-16T06:14:11Z | - |
| dc.date.available | 2018-07-16T06:14:11Z | - |
| dc.date.issued | 2014 | - |
| dc.identifier.citation | Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate, 2014, p. 453-459 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/255962 | - |
| dc.description.abstract | Detachment of droplets from surfaces due to turbulent flow was studied experimentally. A wind tunnel generating a fully developed channel flow was constructed. Droplets on three different materials were tested in the wind tunnel. With plastic and glass substrates, the whole droplet moved when the velocity of the air current exceeded a critical value. For a stainless steel substrate, the droplet split into portions; one portion migrated and the other portion stayed at the initial position. When a droplet came to the end of the three tested substrates and reached the edge of a step, it moved along the step. Under the tested flow condition, all droplets either remained in the place or slid on the substrate, but no resuspension to the airborne state was observed. | - |
| dc.language | eng | - |
| dc.relation.ispartof | Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate | - |
| dc.subject | Turbulent flow | - |
| dc.subject | Detachment | - |
| dc.subject | Droplet | - |
| dc.title | Detachment of droplets from surfaces due to turbulent flow | - |
| dc.type | Conference_Paper | - |
| dc.identifier.scopus | eid_2-s2.0-84924657153 | - |
| dc.identifier.spage | 453 | - |
| dc.identifier.epage | 459 | - |