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超临界压力下航空煤油流动与传热特性试验
Experiment on convective heat transfer of aviation kerosene under supercritical pressures
查看参考文献9篇
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文摘
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本文针对超燃冲压发动机再生冷却系统运行条件,实验研究了大庆RP-3煤油在超临界压力下的流动和传热特性,目的在于研究煤油在各种工况下的流动参数变化以及对流传热规律. 煤油通过二级煤油加热/输运系统加热,试验的煤油压力约2.6M~5.0MPa,油温约300~800 K. 相应的壁面热流密度为10~300 kW/m2. 通过油温与壁温的同步测量,结合非定常传热分析,获得了超临界压力下、亚/超临界温度范围内煤油的流动和传热物理参量的变化曲线 |
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其他语种文摘
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In this paper, characteristics of the convective heat transfer of aviation kerosene were studied experimentally under supercritical pressure according to the conditions in a regenerative cooling system for the scramjet application. A twostage kerosene heating system was used to heat the kerosene up to temperature of 300 ~ 800K at pressures of 2. 6 ~ 5.0 MPa. The corresponding wall heat flux varied from 10 kW/m~2 to 300kW/m~2. By simultaneously measurements of the local fuel and wall temperatures, the heat transfer characteristics of aviation kerosene under supercritical pressures and both sub-critical and supercritical temperatures were determined using the method of unsteady heat-transfer analysis |
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来源
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推进技术
,2010,31(2):230-234 【核心库】
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关键词
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航空煤油
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超临界态
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对流传热
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地址
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中国科学院力学研究所, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4055 |
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学科
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航空 |
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基金
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国家自然科学基金项目
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文献收藏号
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CSCD:3950789
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