机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Gao, Wei
[1
]
Liu, Naian
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Liu, Naian
[1
]
Jiao, Yan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Jiao, Yan
[1
]
Xie, Xiaodong
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Xie, Xiaodong
[1
]
Pan, Ying
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Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Pan, Ying
[1
]
Li, Zilong
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h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Li, Zilong
[1
]
Luo, Xisheng
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Luo, Xisheng
[1
]
Zhang, Linhe
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Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Zhang, Linhe
[1
]
Tu, Ran
论文数: 0引用数: 0
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机构:
Huaqiao Univ, Coll Mech Engn & Automat, Xiamen 361021, Fujian, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Tu, Ran
[2
]
机构:
[1] Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
[2] Huaqiao Univ, Coll Mech Engn & Automat, Xiamen 361021, Fujian, Peoples R China
This work presents a modeling and experimental analysis on the flame length of buoyant turbulent slot diffusion flame. An approximate predictive correlation of flame length is derived based on the governing equations. The role of initial momentum and buoyancy on flame length is quantitatively described by a modified Froude number Fr-m. The physical model indicates that the flame length of a turbulent slot flame is proportional to (Fr-m)(1/3) and (Fr-m)(0) respectively when the flame is buoyancy-dominated and momentum-dominated. The results, for the first time, give a physical verification on the previous scaling laws on buoyant turbulent slot flame in literature. Slot flame tests are conducted using two burners (for which the width W and length L are respectively 0.9 mm x 20.5 mm and 5.5 nun x 86 mm) and four kinds of high-purity hydrocarbon gas fuels (methane. acetylene, ethane and propane). Experimental data show that the radial temperature profiles of buoyant turbulent slot flames can be well described by a Gaussian function normalized by the temperature radius, which is independent of axial position and flame scale. Moreover, experimental data verify that the physical model applies for different fuel supply rates, types of fuels and flame scales. Additionally, the results indicate that the turbulent slot flame is buoyancy-dominated when Fr-m < 10(5), whereas the non-buoyant scenario is approached when Fr-m > 10(7). Finally, it is indicated that the scale effect of turbulent slot flame is closely associated with the flame temperature under different flame scales. (C) 2018 by The Combustion Institute. Published by Elsevier Inc.
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Gao, Wei
;
Liu, Naian
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机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Liu, Naian
;
Delichatsios, Michael
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机构:
Univ Ulster, Sch Built Environm, FireSERT, Newtownabbey BT38 8GQ, North Ireland
Univ Ulster, Built Environm Res Inst, Newtownabbey BT38 8GQ, North IrelandUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Delichatsios, Michael
;
Yuan, Xieshang
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h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Yuan, Xieshang
;
Bai, Yueling
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Bai, Yueling
;
Chen, Haixiang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Chen, Haixiang
;
Zhang, Linhe
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Gao, Wei
;
Liu, Naian
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Liu, Naian
;
Delichatsios, Michael
论文数: 0引用数: 0
h-index: 0
机构:
Univ Ulster, Sch Built Environm, FireSERT, Newtownabbey BT38 8GQ, North Ireland
Univ Ulster, Built Environm Res Inst, Newtownabbey BT38 8GQ, North IrelandUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Delichatsios, Michael
;
Yuan, Xieshang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Yuan, Xieshang
;
Bai, Yueling
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Bai, Yueling
;
Chen, Haixiang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Chen, Haixiang
;
Zhang, Linhe
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China