Experimental investigation of turbulence characteristics in stirred tank with polymer as drag reducing agent using particle image velocimetry

被引：0
|
作者：
Quan, Qing [1 ,2 ]
Chen, Yiming [3 ]
Gao, Zhimin [1 ,2 ]
Qi, Xueyu [3 ]
Wang, Shouxi [1 ,2 ]
机构：
[1] Xian Shiyou Univ, Coll Petr Engn, Xian 710065, Shannxi, Peoples R China
[2] Xian Shiyou Univ, Shaanxi Key Lab Adv Stimulat Technol Oil & Gas Re, Xian, Peoples R China
[3] China Univ Petr, Beijing Key Lab Urban Oil & Gas Distribut Technol, Beijing 102249, Peoples R China
来源：
2020 6TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY, ENVIRONMENT AND CHEMICAL ENGINEERING, PTS 1-5 | 2020年 / 546卷
基金：
中国国家自然科学基金;
关键词：
FLOW;
D O I：
10.1088/1755-1315/546/4/042021
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The effect of polymer concentration on turbulence flow field was analyzed by particle image velocimetry inside a stirred tank. With the increment of polymer concentration, the velocity gradient in the radial direction increased and the TKE and EDR rapidly decreased in the impeller region, while the velocity gradient decreased in the axial direction and the TKE and EDR first increased and then decreased in the region close to the wall. Higher polymer concentration resulted in lower turbulence intensity both in the radial and axial velocity components attributing to the weakened and restrained fluctuation intensity of the long-chain in the drag reducer polymer.
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收藏
页数：7
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