| 闪急沸腾喷雾场粒度分布规律及燃烧特性的研究 |
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| 引用本文： | 段树林,冯林,宋永臣,陈家骅. 闪急沸腾喷雾场粒度分布规律及燃烧特性的研究[J]. 内燃机学报, 1999, 17(1): 54-58 |
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| 作者姓名： | 段树林 冯林 宋永臣 陈家骅 |
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| 作者单位： | 1. 武汉交通科技大学轮机工程学院,武汉,430063
2. 大连理工大学 |
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| 摘 要： | 用激光全息术对闪急沸腾喷雾场的粒度分布进行了测量研究。结果表明，与常温喷雾相比，闪急沸腾喷雾具有粒子平均直径小，轴向、径向分布均匀等特点。在一台单缸机上，采用闪急沸腾喷雾方式进行了燃用柴油和煤化油的试验研究。与常温喷雾相比，闪急沸腾喷雾燃烧方式可大大降低柴油机的碳烟和油耗率。用这种燃烧方式燃用煤化油的结果表明，闪急沸腾喷雾燃烧方式在柴油机燃用低十六烷值燃油方面具有巨大的潜力。
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| 关 键 词： | 闪急沸腾 喷雾 激光 全息 燃烧 柴油机 煤化油 |
The Investigation on Droplet Distribution and Combustion Characteristics of Flash Boiling Spray in Diesel Engines |
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| Duan Shulin,Feng Lin,Song Yongchen,Chen Jiahua. The Investigation on Droplet Distribution and Combustion Characteristics of Flash Boiling Spray in Diesel Engines[J]. Transactions of Csice, 1999, 17(1): 54-58 |
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| Authors: | Duan Shulin Feng Lin Song Yongchen Chen Jiahua |
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| Abstract: | The droplet distribution of flash boiling spray is investigated by use of laser holography.The mean diameter of fuel droplets of flash boiling spray is tiny and homogeneous in axial and radial directions compared with conventional spray.In a single cylinder diesel engine,the experimental study of combustion characteristics of flash boiling spray is performed with diesel fuel and coal liquid.The smoke emission and BSFC of flash boiling spray combustion are drastically lower at high load than those of conventional spray.The experimental study results of combustion of coal liquid in the diesel engine show that there is a great potential in use of low cetane number fuels in diesel engines with flash boiling spray and combustion style. |
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| Keywords: | Flash boiling Spray Laser Holography Combustion Diesel Coal liquid |
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