拟合系数定常回归法分析生物柴油运动黏度影响因素
Analysis of factors affecting kinematic viscosity of biodiesel by fitting coefficient constant regression method
  
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中文关键词:  拟合系数定常回归法  生物柴油  运动黏度  氧化程度
英文关键词:fitting coefficient constant regression method  biodiesel  kinematic viscosity  oxidation degree
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SUI Meng, LI Fashe,SHEN Jiaxu  
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中文摘要:
      以小桐子生物柴油为原料,研究了氧化程度和温度对生物柴油运动黏度的单一和复合影响规律,并建立了拟合系数定常回归法用于构建不同氧化程度和温度双因素对生物柴油运动黏度影响的数学模型。结果表明:生物柴油运动黏度随温度升高而逐渐降低,受温度单一因素影响的数学模型为η=eA+Bt+Ct2;生物柴油运动黏度随氧化时间延长而逐渐增加,建立的运动黏度与电导率的函数关系为η=A+Bμ;运动黏度与温度及氧化程度函数关系为η=0.194+0.007μ+e2.609-0.035t+0.000 1t2。
英文摘要:
      Using the jatropha biodiesel as raw material, the single and combined effects of oxidation degree and temperature on the kinematic viscosity of biodiesel were studied, and the fitting coefficient constant regression method was used to construct mathematical model. The results showed that the kinematic viscosity of biodiesel decreased with temperature increasing, and the mathematical model affected by single temperature factor was η=eA+Bt+Ct2. The kinematic viscosity of biodiesel increased with oxidation time prolonging, and the relationship between kinematic viscosity and electrical conductivity was η=A+Bμ; the relationship between kinematic viscosity and temperature and oxidation degree was η=0.194+0007μ+e2.609-0.035t+0.000 1t2.
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