THE INFLUENCE OF DRAG-REDUCING ADDITIVES ON CRUDE OIL EMULSIONS IN PIPELINE FLOW

被引：0
|
作者：
Calin, Andreea [1 ]
机构：
[1] Univ Politehn Bucuresti, Fac Energet, Hydraul Dept, REOROM Grp, Bucharest, Romania
来源：
UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE | 2009年 / 71卷 / 03期
关键词：
emulsion; surfactant; pipe flow; pressure loss; Darcy coefficient; Reynolds number;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The present paper investigates two samples of crude oil - water emulsions, in presence of drag reduction surfactants, in order to determine the pressure loss in pipes, respectively to compute the Darcy coefficient, lambda. The experiments are performed at constant flow rate and the corresponding pressure differences between two sections of a straight pipe (diameter d = 26 mm) are measured with a sensitive pressure transducer. Both stationary and transitory flow regimes are investigated, as function of the samples rheology. Experimental values of the Darcy coefficient in the domain 100 < Re < 10,000 fit the theoretical formulas and put in evidence the additive influence on pressure loss.
引用
收藏
页码：197 / 204
页数：8
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