| 外界辐射对浸没在多孔介质中的液体燃料燃烧特性的影响 |
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| 引用本文： | 陈晓婷,孔文俊,王宝瑞. 外界辐射对浸没在多孔介质中的液体燃料燃烧特性的影响[J]. 工程热物理学报, 2007, 28(5): 871-874 |
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| 作者姓名： | 陈晓婷 孔文俊 王宝瑞 |
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| 作者单位： | 中国科学院工程热物理研究所,北京,100080;中国科学院研究生院,北京,100039;中国科学院工程热物理研究所,北京,100080 |
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| 摘 要： | 本文研究了不同辐射通量下浸没在沙床中的液体燃料的燃烧特性.探讨了辐射通量对液体燃料浸没在多孔沙床中的燃烧特性的影响,获得了不同辐射通量下的火焰特性、床层温度分布、离表面最近测点处蒸气区的下边界到达时间、燃烧持续时间及燃料消耗规律.实验结果揭示了浸没在多孔床中的液体燃料在不同辐射通量下燃烧时的特殊规律.
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| 关 键 词： | 液体燃料 多孔介质 燃烧特性 |
| 文章编号： | 0253-231X(2007)05-0871-04 |
| 修稿时间： | 2007-03-05 |
EFFECT OF EXTERNAL HEAT FLUX ON COMBUSTION BEHAVIORS OF POROUS BEDS SOAKED WITH LIQUID FUELS |
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| CHEN Xiao-Ting,KONG Wen-Jun,WANG Bao-Rui. EFFECT OF EXTERNAL HEAT FLUX ON COMBUSTION BEHAVIORS OF POROUS BEDS SOAKED WITH LIQUID FUELS[J]. Journal of Engineering Thermophysics, 2007, 28(5): 871-874 |
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| Authors: | CHEN Xiao-Ting KONG Wen-Jun WANG Bao-Rui |
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| Abstract: | Experimental studies were conducted to investigate the behaviors of non-spread diffusion flames of the liquid fuels soaked in porous beds with different external heat flux.Sand with the mean size of 1.8 mm was chosen as the porous materials.The depth of the porous bed is 95 mm.The effects of the external heat flux on combustion behaviors,including flame phenomena,flame temperature profiles,vapor region moving speed,combustion time and fuel consumption in the porous beds with different external heat flux were studied in the experiments.The results show the special combustion characteristics for the liquid fuel soaked in porous beds with external heat flux. |
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| Keywords: | liquid fuel porous beds burning characteristics |
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