EXPERIMENTAL INVESTIGATION OF DRAG REDUCTION IN ANNULAR TWO-PHASE FLOW OF OIL AND AIR

被引：0
|
作者：
Mowla, D. [1 ]
Naderi, A. [1 ]
机构：
[1] Shiraz Univ, Sch Engn, Dept Chem & Petr Engn, Shiraz, Iran
来源：
IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B-ENGINEERING | 2008年 / 32卷 / B6期
关键词：
Drag reduction; annular flow; polyisobutylene;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study the effect of the presence of a drag reducing agent (DRA) on the pressure drop in cocurrent horizontal rough pipes carrying annular flow of air and crude oil is investigated. An experimental Set-LIP is constructed. The test section of the experimental set-tip consists of two rough pipes of galvanized iron, 8.8m long and having 2.54cm and 1.27cm ID. The DRA applied is a polyalpha-olefin (polyisobutylene). The pressure drop, both in the presence and the lack of DRA, has been calculated using the experimental data obtained. The results show that the addition of DRA could be effective LIP to certain closes of DRA, after which, the pressure drop is kept constant. A percentage drag reduction of about 45 is observed at some experimental conditions.
引用
收藏
页码：601 / 609
页数：9
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