Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/92438
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Building Environment and Energy Engineering | en_US |
dc.contributor | Mainland Development Office | en_US |
dc.creator | Xiong, C | en_US |
dc.creator | Wang, Z | en_US |
dc.creator | Huang, X | en_US |
dc.date.accessioned | 2022-04-01T01:57:46Z | - |
dc.date.available | 2022-04-01T01:57:46Z | - |
dc.identifier.issn | 0379-7112 | en_US |
dc.identifier.uri | http://hdl.handle.net/10397/92438 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | © 2021 Elsevier Ltd. All rights reserved. | en_US |
dc.rights | © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. | en_US |
dc.rights | The following publication Xiong, C., Wang, Z., & Huang, X. (2021). Acoustic flame extinction by the sound wave or speaker-induced wind? Fire Safety Journal, 126, 103479 is available at https://dx.doi.org/10.1016/j.firesaf.2021.103479. | en_US |
dc.subject | Acoustic extinction | en_US |
dc.subject | Flame blowoff | en_US |
dc.subject | Membrane-driven wind | en_US |
dc.subject | Sound field | en_US |
dc.subject | Speaker diaphragm | en_US |
dc.title | Acoustic flame extinction by the sound wave or speaker-induced wind? | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.volume | 126 | en_US |
dc.identifier.doi | 10.1016/j.firesaf.2021.103479 | en_US |
dcterms.abstract | Many literature studies explored acoustic-driven flame extinction via different experimental techniques, but the interpretation of results and the underlying mechanism are still unclear. In this work, a candle flame (20 W) is tested in two kinds of sound fields, one developing freely and the other guided by a cylindrical tube. Results show that the flame exhibits completely different fluctuations at the same sound pressure, indicating the observed flame extinction is irrelevant to sound waves (particle velocity ∼10−2 m/s at 100 dB). The oscillating airflow (∼0.5 m/s at 100 dB) generated by the vibration of the speaker diaphragm is the real cause of flame fluctuation and extinction. Moreover, using a cylindrical tube can enhance the diaphragm-induced airflow and promote flame extinction. | en_US |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Fire safety journal, Dec. 2021, v. 126, 103479 | en_US |
dcterms.isPartOf | Fire safety journal | en_US |
dcterms.issued | 2021-12 | - |
dc.identifier.scopus | 2-s2.0-85118251326 | - |
dc.identifier.artn | 103479 | en_US |
dc.description.validate | 202203 bcvc | en_US |
dc.description.oa | Accepted Manuscript | en_US |
dc.identifier.FolderNumber | a1251 | - |
dc.identifier.SubFormID | 44357 | - |
dc.description.fundingSource | Others | en_US |
dc.description.fundingText | NSFC | en_US |
dc.description.pubStatus | Published | en_US |
dc.description.oaCategory | Green (AAM) | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Xiong_Acoustic_Flame_Extinction.pdf | Pre-Published version | 1.17 MB | Adobe PDF | View/Open |
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