摘要
在满足特定内燃机油的理化性能条件下,尽量增大粘稠基础油用量,减少增粘剂用量,从而达到优化内燃机组分组成的目的,在经济上和技术上都会获得很好的效果。本工作选取七种牌号的基础油、三种增粘剂和一种降凝剂调配试样,测定试样100℃的运动粘度和-20℃的表观粘度,然后用线性回归和非线性回归等数学手段处理实验结果,得出了准确地表达基础油调配及增粘剂对调合油高低温粘度影响的数学模型,并运用这些模型开发了能较准确地测算配制符合一定性能要求的内燃机油基础油所需各组分量的计算机应用程序。
It is considered desirable for both economical and technical reasons to optimize the composition of an engine oil with physical and chemical properties conforming to certain requirements by minimizing the quantity of viscosity index improver (Ⅶ) and using more viscous base oil. In this study, seven basestoeks, three VIIs and one pour point depressant have been used in blending tests. The viscosity (100℃) and cold cranking simulator (CCS, —20℃ ) of the samples have been measured. Some appropriate mathematical models, which can accurately describe the blending of lube base oil and the effects of Ⅶ on viscosity of blendings, have been developed by linear and non-linear regression of testing data. With these models, a computer program to facilitate the blending of engine lube base oil to meet certain requirements has been developed.
出处
《石油学报（石油加工）》
EI
CAS
CSCD
北大核心
1994年第1期79-87,共9页
Acta Petrolei Sinica(Petroleum Processing Section)
