Comparison of Liquid-Holdup and Friction-Factor Correlations for Gas-Liquid Flow

1975 ◽  
Vol 27 (05) ◽  
pp. 564-568 ◽  
Author(s):  
I.R. Vohra ◽  
F. Hernandez ◽  
N. Marcano ◽  
J.P. Brill
AIChE Journal ◽  
2017 ◽  
Vol 63 (10) ◽  
pp. 4694-4704 ◽  
Author(s):  
Jisong Zhang ◽  
Andrew R. Teixeira ◽  
Lars Thilo Kögl ◽  
Lu Yang ◽  
Klavs F. Jensen

2003 ◽  
Vol 29 (10) ◽  
pp. 1605-1624 ◽  
Author(s):  
F Garcı́a ◽  
R Garcı́a ◽  
J.C Padrino ◽  
C Mata ◽  
J.L Trallero ◽  
...  

Author(s):  
Ruixi Duan ◽  
Da Yu ◽  
Haihao Wu ◽  
Jing Gong ◽  
Shanwei Hu ◽  
...  

During pigging process of long-distance pipeline, pig seals wear due to abrasion on pipe wall, the diameter of seal decreases and even to be smaller than pipe inner diameter as a result. This study has researched the characteristics of pigging processes using pigs different in diameter in horizontal experimental pipe. In the study, mandrel pig with two seals was chosen for experiment. Five pigs different in size were used, and pigging experiments under various flow conditions were carried out in a horizontal air-water flow experimental loop. During experiment, the features of pigging process from pig launcher to trap were observed, the liquid holdup and pressure were detected and collected, pig velocities in different sections of pipe were measured, the velocity of pigging slug front and length of the slug were also measured. The relationship between pig movement and flow conditions was analyzed, the methods to calculate velocity of pigging slug front and length of the slug were obtained and the results calculated were similar to the results measured. Based on the results of experiment, some suggestions were proposed for pigging operation in real pipeline.


1982 ◽  
Vol 47 (5) ◽  
pp. 1470-1478
Author(s):  
Kurt Winkler ◽  
František Kaštánek

The axial and tangential velocity components and local liquid holdup rates have been measured in vertical tubes with swirl bodies located in the inlet part of the tube. The tubes were of 70 mm I.D. and H/D = 10-23. The air-water flow was directed upward. Superficial gas velocity was wG = 14-35 m s-1 and specific liquid load QLE = 15-65 m3 m-2 h-1. In the experiments, the blade angle of the swirl body and the liquid inlet have been altered. The resulting centrifugal moments were correlated with friction factors.


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