| U型管内超临界压力航空煤油压降特性 |
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| 引用本文： | 黄文,邓宏武,徐国强,朱锟.U型管内超临界压力航空煤油压降特性[J].航空动力学报,2011,26(3):582-587. |
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| 作者姓名： | 黄文 邓宏武 徐国强 朱锟 |
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| 作者单位： | 北京航空航天大学,能源与动力工程学院,北京,100191 |
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| 摘 要： | 研究了超临界状态下航空煤油RP-3在U型管内的压降特性,分析了温度和压力对于流动压降的影响规律.实验结果表明:当煤油的出口温度低于临界温度时,压降随压力的增大而增大,随温度的升高变化很小;当煤油的出口温度大于临界温度时,压降随压力的升高而减小,随温度的升高而增大.在拟临界点附近,压降随温度的变化斜率突然增大.另外,基于...
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| 关 键 词： | 超临界压力 航空煤油 压降 U型管 流动阻力 |
| 收稿时间： | 2010/3/11 0:00:00 |
| 修稿时间： | 2010/5/19 0:00:00 |
Pressure drop characteristics of supercritical aviation kerosene in U-turn tube |
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| HUANG Wen,DENG Hong-wu,XU Guo-qiang and ZHU Kun.Pressure drop characteristics of supercritical aviation kerosene in U-turn tube[J].Journal of Aerospace Power,2011,26(3):582-587. |
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| Authors: | HUANG Wen DENG Hong-wu XU Guo-qiang and ZHU Kun |
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| Institution: | HUANG Wen,DENG Hong-wu,XU Guo-qiang,ZHU Kun(School of Jet Propulsion,Beijing University Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | The flowing characteristics of aviation kerosene at supercritical pressure flowing through a U-turn tube were investigated.The pressure and temperature were analyzed to evaluate their effectiveness on the pressure drop.The results indicate that,when the temperature of the fuel at the outlet is below the critical temperature,the pressure drop does not change with the increase of the temperature of the fuel,but increases with the rising pressure;when it is above the critical temperature,the pressure drop incr... |
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| Keywords: | supercritical pressure aviation kerosene pressure drop U-turn tube flow resistance |
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