Forced convection fire spread along wooden dowel array
- Authors
- Di, Cristina G.; Kozhumal, S.; Simeoni, A.; Skowronski, N.; Rangwala, A.; Im, S.-K.
- Issue Date
- 3월-2021
- Publisher
- Elsevier Ltd
- Keywords
- Discrete fuels; Flame spread; Fluid dynamics; Wood combustion
- Citation
- Fire Safety Journal, v.120
- Indexed
- SCIE
SCOPUS
- Journal Title
- Fire Safety Journal
- Volume
- 120
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/129130
- DOI
- 10.1016/j.firesaf.2020.103090
- ISSN
- 0379-7112
- Abstract
- The effects of freestream flow on fire spread behaviors of a discrete wooden fuel array were studied. The spacing between fuel elements was varied, and the flame spread behavior under 1, 2, and 3 m/s forced flow velocities was investigated. The fastest spread rate was not observed for the smallest spacing. Furthermore, increasing spacing did not necessarily lead to a slower spread, as seen with the flame spread along the 0.75 cm spaced array which was as fast or faster than the 0.5 cm spacing condition. At a spacing of 1 cm, fragmented flames were observed at wind speeds of 3 m/s that coincided with a slower spread rate than the 2 m/s wind conditions. The anomalies were explained using flame visualization and pitot probe measurements to determine the effects of flow speed at different spacing conditions. It seems that a coupling between the combustion and fluid dynamics of flow around the dowel cylinders under certain conditions strongly affects the fire spread behaviors. © 2020 Elsevier Ltd
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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