Measurement of the Void Fraction of Slug and Bubbly Flows Using Three-Ring Impedance Meters

被引：0
|
作者：
Kim, Jongrok [1 ]
Ahn, Yeh-Chan [2 ]
Kim, Moo Hwan [3 ]
机构：
[1] POSTECH, Dept Mech Engn, Pohang, South Korea
[2] Pukyong Natl Univ, Dept Biomed Engn, Busan, South Korea
[3] POSTECH, Div Adv Nucl Engn, Pohang, South Korea
来源：
TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B | 2012年 / 36卷 / 01期
关键词：
2-Phase Flow; Void Fraction; Impedance Meter; Slug Flow; Bubbly Flow;
D O I：
10.3795/KSME-B.2012.36.1.083
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Real slug and bubbly flows were measured using a three-ring impedance meter that can efficiently measure the void fraction of two-phase flows in a tube. First, the fitting curves between the signal from the impedance meters and the void fraction were found. The impedance meter had different fitting curves for slug and bubbly flows that had the same void fraction. An impedance meter should choose one of the two fitting curves according to the flow pattern, and the flow patterns can be recognized using the measured void fraction. The velocities and sizes of the bubbles were calculated using the void fraction curves measured by two impedance meters.
引用
收藏
页码：83 / 88
页数：6
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