| 沸腾传热对水平热壁上的泄漏燃油着火的影响 |
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| 引用本文： | 汪应红. 沸腾传热对水平热壁上的泄漏燃油着火的影响[J]. 安徽理工大学学报(自然科学版), 2006, 26(4): 76-78 |
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| 作者姓名： | 汪应红 |
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| 作者单位： | 安徽建筑工业学院材料科学与工程系,安徽,合肥,230022 |
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| 摘 要： | 为了得到在机舱中泄漏燃油喷流到热壁面上发生着火的规律,通过实验模拟了泄漏燃油在水平热壁上的着火过程,分析了热壁与燃油之间的沸腾传热对着火延迟期的影响,发现着火延迟时间随热流密度的变化规律,建立了着火延迟期的预测模型,既补充了热壁上燃油着火机理的相关内容,又为热壁热安全防护的工程实践提供了相关参考.
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| 关 键 词： | 水平热壁 着火 沸腾传热 |
| 文章编号： | 1672-1098(2006)04-0076-03 |
| 收稿时间： | 2006-06-01 |
| 修稿时间： | 2006-06-01 |
Influence of Boiling Heat Transfer on Ignition of the Fuel Leaked onto a Heated Horizontal Surface |
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| WANG Ying-hong. Influence of Boiling Heat Transfer on Ignition of the Fuel Leaked onto a Heated Horizontal Surface[J]. Journal of Anhui University of Science and Technology:Natural Science, 2006, 26(4): 76-78 |
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| Authors: | WANG Ying-hong |
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| Affiliation: | Dept. of Material Science and Engineering, Anhui Institute of Architecture and Industry,Hefei 230022,China |
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| Abstract: | In order to get the ignition rule when flammable operating fuel was leaked onto a hot surface in an engine room, ignition process of the fuel leaked onto a heated horizontal surface was studied experimentally. Influence of the boiling heat transfer on ignition delay, which happened between heated surface and the fuel, was discussed. Also a forecast model of ignition delay has been given. The result sheds some light on the ignition theory of leaked fuel on a heated surface. It is also a reference for the engineering design of hot surface. |
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| Keywords: | horizontal heated surface ignition boiling heat transfer |
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