摘要
含蜡原油触变性的研究对于加热管道输送含蜡原油的工艺设计和运行管理有着十分重要的意义。多年来,学者提出很多的触变模型,其中尤以指数形式和双曲形式的触变模型最为常用。利用Levenberg-Marquardt非线性回归方法,基于文献中的触变数据,对几种常用的触变模型进行了拟合。结果表明,四参数双曲触变模型的拟合程度最高。
The study of waxy crude oil thixotropy is very significant for technological design and operation of oil pipes. Many thixotropy models for waxy crude oil have been proposed and those exponemial--type and hyperbolic--type models are commonly used. By using the Levenberg--Marquardt nonlinear regression method, several common thix-otropy models for waxy crude oil have been used to fit the thixotropy data in the literature. The results have shown that the four--parameter hyperbolic--type thixotropy model fits the experimental data better than any other model analyzed in this paper.
出处
《江汉石油职工大学学报》
2008年第6期56-58,共3页
Journal of Jianghan Petroleum University of Staff and Workers
