Influence of Different Calculation Methods on Cetane Index Value of Diesel Fuel

Journal of Liaoning Petrochemical University ›› 2007, Vol. 27 ›› Issue (4): 5-8.

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Influence of Different Calculation Methods on Cetane Index Value of Diesel Fuel

1 .Liaoning Entry -Ex it I nspection and Quarantine Bureau , Dalian Liaoning 116001 , P .R .China ;
2 .Bay uquan Entry -E x it I nspection and Quarantine B ureau , Bay uquan Liaoning 115007 , P .R .China;
3 .Petrochina Liaohe Petrochemical Com pany , Panjin Liaoning 124022, P .R .China

Received:2007-05-14 Published:2007-12-20 Online:2017-07-05

不同方法对柴油十六烷指数计算结果的影响

牟明仁¹ , 蒋晓光² , 王月江³ , 赵景红¹, 刘　冉¹ , 林　忠²

1 .辽宁出入境检验检疫局, 辽宁大连116001 ;
2 .鲅鱼圈出入境检验检疫局, 辽宁鲅鱼圈115007 ;
3 .中国石油辽河石化公司分析化验室, 辽宁盘锦124022

作者简介:牟明仁(1960 -), 男, 辽宁大连市, 研究员。

Abstract

Abstract:

　 The cetane index values of diesel fuel were calculated by the formula calculation and figure calculation method provided by the two standards of GB/ T11139(Distillate fuels -calculation of cetane index)and S H/ T0694 -2000(Calculation of cetane index of middle -distillate fuels by the four -variable equation).The difference of calculated cetane index values with the two methods and the reason for the difference were analyzed .The results indicate that different calculated values could be obtained by the two methods of formula calculation and figure calculation.The values of cetane index would decrease with the increasing of the density at the constant distillate temperature , and increase with the increasing of the distillate temperature at the constant density .In the most situations , the values calculated by formula calculation would be larger than those by figure calculation.

Key words: Diesel fuel, , Cetane index , , Method, , Calculation

摘要： 　分析不同方法对柴油十六烷指数计算结果产生差异及影响差异的原因;采用GB/ T11139(馏分燃料十六烷指数计算法)和S H/ T0694 -2000(中间馏分燃料十六烷指数计算法(四变量公式法))中的公式计算法与图解计算法对柴油十六烷指数进行计算。结果表明, 公式计算法与图表计算法计算柴油中的十六烷指数值时结果有异同;在样品相关馏出温度值一定的条件下, 十六烷指数值随样品密度值的增大而变小, 在样品密度值一定条件下, 十六烷指数值随相关馏出温度值的升高而变大;多数情况下公式计算法计算的十六烷指数值大于图表计算法的计算值。

关键词: 柴油, 　十六烷指数, 　方法, 　计算

MU Ming -ren1,JIANG Xiao -guang，et al. Influence of Different Calculation Methods on Cetane Index Value of Diesel Fuel[J]. Journal of Liaoning Petrochemical University, 2007, 27(4): 5-8.

牟明仁, 蒋晓光, 王月江, 等. 不同方法对柴油十六烷指数计算结果的影响[J]. 辽宁石油化工大学学报, 2007, 27(4): 5-8.

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Influence of Different Calculation Methods on Cetane Index Value of Diesel Fuel

不同方法对柴油十六烷指数计算结果的影响

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