乙醇-柴油混合燃料的理化特性研究 |
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引用本文: | 吕兴才,杨剑光,张武高,黄震. 乙醇-柴油混合燃料的理化特性研究[J]. 内燃机学报, 2004, 22(4): 289-295 |
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作者姓名: | 吕兴才 杨剑光 张武高 黄震 |
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作者单位: | 上海交通大学,内燃机研究所,上海,200030;上海交通大学,内燃机研究所,上海,200030;上海交通大学,内燃机研究所,上海,200030;上海交通大学,内燃机研究所,上海,200030 |
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基金项目: | 国家自然科学基金—福特基金资助项目(50122166),国家自然科学基金重点资助项目(50136040)。 |
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摘 要: | 对乙醇-柴油燃料直接影响发动机性能和燃料的使用、存储和运输的几种基本物理化学性质进行了研究。通过对不同比例(乙醇含量分别0.2%、0.5%、1%、2%、5%、10Yoo、15%、20%、25%、75%)的混合燃料的密度、粘度、闪点、表面张力、十六烷值、稳定性和磨损性等理化性质的测试和研究,总结出了乙醇含量对混合燃料物性参数的影响规律,归纳出各种参数随温度变化的规律。以密度为特征参数,拟合出混合燃料粘度、表面张力随密度变化的关系,得到了具有较高精度的乙醇一柴油混合燃料的理化特性经验关系式。
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关 键 词: | 乙醇-柴油 混合燃料 理化性质 |
文章编号: | 1000-0909(2004)04-0289-07 |
修稿时间: | 2003-08-25 |
Research on Physical and Chemical Properties of the Ethanol-Diesel Blend Fuel |
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Abstract: | This paper investigates the basic parameters,which directly relate to the engine performance and emissions,and the usage and storage of the ethanol-diesel blend fuel.Physical and chemical properties including density,viscosity,surface tension,the flash point,cetane number,and the stability of the different contents of ethanol-diesel parameters were measured and analyzed.The experiments were performed using 0.2%,0.5%,1%,2%,5% 10%,15%,20%,25%,and 75% ethanol-diesel blends.At the same time,the influence of temperature on the blends properties was tested.An experiential formula about density changed with ethanol content and temperature was concluded.By using the density as the basic parameter,the formulas about the viscosity and surface tension were determined too. |
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Keywords: | Ethanol-diesel Blended fuel Physical and chemical properties |
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