| A model of backdraft phenomenon in building fires |
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| 引用本文： | WENG Wenguo,FAN Weicheng,WANG Qing''an,YANG Lizhong. A model of backdraft phenomenon in building fires[J]. 自然科学进展(英文版), 2002, 12(2): 131-135 |
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| 作者姓名： | WENG Wenguo FAN Weicheng WANG Qing''an YANG Lizhong |
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| 作者单位： | State Key Laboratory of Fire Science. University of Science and Technology of China. Hefei 230026. China,State Key Laboratory of Fire Science. University of Science and Technology of China. Hefei 230026. China,State Key Laboratory of Fire Science. University of Science and Technology of China. Hefei 230026. China,State Key Laboratory of Fire Science. University of Science and Technology of China. Hefei 230026. China |
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| 摘 要： | In order to further investigate the physical mechanism of the backdraft phenomenon in building fires, a simplified mathematical model is established based on energy balance equation, and its catastrophe mechanism is analyzed based on catastrophe theory, and the relationship between system control variables and fire conditions is studied. It is indicated that the backdraft phenomenon is a kind of typical catastrophe behavior, and of the common characteristics of catastrophe.
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| 关 键 词： | building fires backdraft. flashover. nonlinear dynamics catastrophe. |
A model of backdraft phenomenon in building fires |
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| WENG Wenguo,FAN Weicheng,WANG Qing'an,YANG Lizhong. A model of backdraft phenomenon in building fires[J]. Progress in Natural Science, 2002, 12(2): 131-135 |
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| Authors: | WENG Wenguo FAN Weicheng WANG Qing'an YANG Lizhong |
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| Affiliation: | State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | In order to further investigate the physical mechanism of the backdraft phenomenon in building fires, a simplified mathematical model is established based on energy balance equation, and its catastrophe mechanism is analyzed based on catastrophe theory, and the relationship between system control variables and fire conditions is studied. It is indicated that the backdraft phenomenon is a kind of typical catastrophe behavior, and of the common characteristics of catastrophe. |
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| Keywords: | building fires backdraft. flashover. nonlinear dynamics catastrophe. |
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