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柴油机燃油物性参数的研究
引用本文:王钧效,陆家祥,王桂华,张锦杨.柴油机燃油物性参数的研究[J].内燃机学报,2001,19(6):507-510.
作者姓名:王钧效  陆家祥  王桂华  张锦杨
作者单位:1. 上海交通大学动力与能源学院
2. 山东大学动力与能源学院
3. 山东省粮食局
摘    要:提出了燃油密度随压力和温度变化的综合经验公式,根据各参数间的严格关系推出了压缩率和音速的经验公式,并介绍了粘度的经验公式。试验结果表明,提出的经验公式具有较高的精度。

关 键 词:柴油机  燃油  物理性质  参数  密度  粘度  经验公式
文章编号:1000-0909(2001)06-0507-04
修稿时间:2001年2月19日

Study on Physical Characters Parameters of Fuel Used in Diesel Engines
WANG Jun xiao ,LU Jia xiang ,WANG Gui hua ,ZHANG Jin yang.Study on Physical Characters Parameters of Fuel Used in Diesel Engines[J].Transactions of Csice,2001,19(6):507-510.
Authors:WANG Jun xiao  LU Jia xiang  WANG Gui hua  ZHANG Jin yang
Affiliation:WANG Jun xiao 1,LU Jia xiang 2,WANG Gui hua 2,ZHANG Jin yang 3
Abstract:The mathematical model for simulated calculation of fuel injection process in high pressure fuel injection system for diesel engines should be established in accordance with the fuel characteristics of density,compression ratio,sonic velocity and viscosity variations with pressure.In this paper,the experiential formula of fuel density variation with pressure and temperature is put forward and the formulae of fuel compression ratio and sonic velocity are also derived in light of the strict relationships of fuel parameters,and besides,the viscosity formula is recommended.The experiential formulae offered in this paper possess high precision according to the experimental results.
Keywords:Diesel engine  Fuel  Physical character  Parameter
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