Effect of pulsed electromagnetic field on crude oil rheology

被引：0

作者：

Sokolovié, Radmila Šećerov ^{[1
]}

Sokolovic, Slobodan ^{[1
]}

Mihajlović, Borde ^{[3
]}

Gelei, Tanja ^{[1
]}

Pekarić, Neda ^{[2
]}

Ševic, Snezana ^{[3
]}

机构：

[1] Department of Food and Chemical Engineering, Faculty of Technology, University of Novi Sad, Novi Sad, Yugoslavia

[2] Department of Food and Chemical Engineering, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Yugoslavia

[3] Serbia Oil Company, Novi Sad, Yugoslavia

来源：

Industrial and Engineering Chemistry Research | 1998年 / 37卷 / 12期

关键词：

Electromagnetic field effects - Rheology - Shear stress;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effect of low-frequency pulsed electromagnetic field (PEMF) on crude oil rheology was studied on 11 samples of domestic crude oil with a high pour point. Experiments were carried out by using homogeneous single unipolar 70 μs-wide quasi-square pulses with peak intensities of 1 mT and 5 mT and frequency varying from 8 to 60 Hz. The rheotests were performed at 20, 25, 30, and 35 °C, using shear rates in the interval from 16.2 to 438 s-1. PEMF influenced the rheological behavior of samples by increasing/decreasing the shear stress, but not changing the shape of the flow curves. The PEMF frequency exhibited crucial effects on shear stress, and a certain periodicity in the relation between these two quantities, similar for both PEMF intensities, was observed for all the samples.

引用

页码：4828 / 4834

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