Theoretical analysis on flame dimension in turbulent ceiling fires

W. G. Weng; Y. Hasemi

doi:10.1016/j.ijheatmasstransfer.2005.06.036

Theoretical analysis on flame dimension in turbulent ceiling fires

W. G. Weng^*, Y. Hasemi

^*Corresponding author for this work

School of Creative Science and Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

In this paper, theoretical analysis based on boundary layer theory on flame dimension in turbulent ceiling fires is carried out. The turbulent ceiling fire is developed from a downward round injection source beneath an unconfined inert ceiling. A correlation between the dimensionless flame diameter and the dimensionless heat release rate is obtained, C₁(S/d) ∼ C₂Q^*3/4. This relation for turbulent ceiling fires is correlated to experimentally measured flame diameters for ceiling fires. Based on the limited data available, the agreement with experiments is very good. Additional experiments are needed to further verify the validity of this relation.

Original language	English
Pages (from-to)	154-158
Number of pages	5
Journal	International Journal of Heat and Mass Transfer
Volume	49
Issue number	1-2
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2005.06.036
Publication status	Published - 2006 Jan

Keywords

Boundary layer
Ceiling fire
Flame dimension

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1016/j.ijheatmasstransfer.2005.06.036

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title = "Theoretical analysis on flame dimension in turbulent ceiling fires",

abstract = "In this paper, theoretical analysis based on boundary layer theory on flame dimension in turbulent ceiling fires is carried out. The turbulent ceiling fire is developed from a downward round injection source beneath an unconfined inert ceiling. A correlation between the dimensionless flame diameter and the dimensionless heat release rate is obtained, C1(S/d) ∼ C2Q*3/4. This relation for turbulent ceiling fires is correlated to experimentally measured flame diameters for ceiling fires. Based on the limited data available, the agreement with experiments is very good. Additional experiments are needed to further verify the validity of this relation.",

keywords = "Boundary layer, Ceiling fire, Flame dimension",

author = "Weng, {W. G.} and Y. Hasemi",

note = "Funding Information: The authors would like to acknowledge the supports provided by the Japan Society for the Promotion Science Postdoctoral Fellowship (Grant no. 03246) and the National Natural Science Foundation of China (Grant no. 50306024). ",

year = "2006",

month = jan,

doi = "10.1016/j.ijheatmasstransfer.2005.06.036",

language = "English",

volume = "49",

pages = "154--158",

journal = "International Journal of Heat and Mass Transfer",

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TY - JOUR

T1 - Theoretical analysis on flame dimension in turbulent ceiling fires

AU - Weng, W. G.

AU - Hasemi, Y.

N1 - Funding Information: The authors would like to acknowledge the supports provided by the Japan Society for the Promotion Science Postdoctoral Fellowship (Grant no. 03246) and the National Natural Science Foundation of China (Grant no. 50306024).

PY - 2006/1

Y1 - 2006/1

N2 - In this paper, theoretical analysis based on boundary layer theory on flame dimension in turbulent ceiling fires is carried out. The turbulent ceiling fire is developed from a downward round injection source beneath an unconfined inert ceiling. A correlation between the dimensionless flame diameter and the dimensionless heat release rate is obtained, C1(S/d) ∼ C2Q*3/4. This relation for turbulent ceiling fires is correlated to experimentally measured flame diameters for ceiling fires. Based on the limited data available, the agreement with experiments is very good. Additional experiments are needed to further verify the validity of this relation.

AB - In this paper, theoretical analysis based on boundary layer theory on flame dimension in turbulent ceiling fires is carried out. The turbulent ceiling fire is developed from a downward round injection source beneath an unconfined inert ceiling. A correlation between the dimensionless flame diameter and the dimensionless heat release rate is obtained, C1(S/d) ∼ C2Q*3/4. This relation for turbulent ceiling fires is correlated to experimentally measured flame diameters for ceiling fires. Based on the limited data available, the agreement with experiments is very good. Additional experiments are needed to further verify the validity of this relation.

KW - Boundary layer

KW - Ceiling fire

KW - Flame dimension

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DO - 10.1016/j.ijheatmasstransfer.2005.06.036

M3 - Article

AN - SCOPUS:32144441550

SN - 0017-9310

VL - 49

SP - 154

EP - 158

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

IS - 1-2

ER -

Theoretical analysis on flame dimension in turbulent ceiling fires

Abstract

Keywords

ASJC Scopus subject areas

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