| 热壁条件下油气热着火关键因素探究 |
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| 引用本文： | 欧益宏,杜扬,吴英,张峥.热壁条件下油气热着火关键因素探究[J].后勤工程学院学报,2009,25(1):25-29. |
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| 作者姓名： | 欧益宏 杜扬 吴英 张峥 |
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| 作者单位： | 1. 后勤工程学院,军事供油工程系,重庆,400016
2. 重庆科技学院,工业自动化系,重庆,400042 |
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| 摘 要： | 设计了受限空间内高温热壁条件下的油气热着火的实验系统.基于系统的实验和分析,探究了受限空间环境温度、湿度、压力、热壁温度对油气热着火发生的影响.实验发现:油气热着火概率随着热壁温度和环境温度的升高、湿度的减小而增加;油气混合物在汽油自燃点附近开始快速化学反应,油气热着火的最低临界温度为783 K;油气热着火存在三角形的着火压力半岛,且着火压力下限随热壁温度升高而降低,着火压力上限随温度升高而提高.
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| 关 键 词： | 热着火 热壁 油气混合物 |
Study on the Key Factor of Thermal Ignition of Gasoline-air Mixture under the Conditions of Hot Wall |
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| OU Yi-hong,DU Yang,WU Ying,ZHANG Zheng.Study on the Key Factor of Thermal Ignition of Gasoline-air Mixture under the Conditions of Hot Wall[J].Journal of Logistical Engineering University,2009,25(1):25-29. |
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| Authors: | OU Yi-hong DU Yang WU Ying ZHANG Zheng |
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| Institution: | 1.Dept.of Petroleum Supply Engineering;LEU;Chongqing 400016;China;2.Dept.of IndustrialAutomation;Chongqing University of Science and Technology;Chongqing 400042;China |
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| Abstract: | The thermal ignition experiment system of gasoline-air mixture in confined space under the conditions of hot wall is designed.Based on the systematical experiments and analysis,the effects of environment temperature,humidity,pressure and temperature on hot wall on thermal ignition of gasoline-air mixture have been explored.It has been found that: the thermal ignition probability of gasoline-air mixture increases with the increase of temperature of hot wall and environment,and with the decrease of humidity;g... |
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| Keywords: | thermal ignition hot wall gasoline-air mixture |
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