Simulation and Experiment Study of Gas-Liquid Two-Phase Flow Leakage in Horizontal Pipelines

2019 ◽  
Author(s):  
Ji Jian
Keyword(s):  
Flow Field ◽  
Flow Pattern ◽  
Two Phase Flow ◽  
Sound Field ◽  
Phase Flow ◽  
Two Phase ◽  
Horizontal Pipes ◽  
Propagation Law ◽  
Change Characteristics ◽  
Simulation And Experiment

Abstract The influence of flow pattern, leakage location and leakage aperture changes on the flow field and the sound field in horizontal pipelines are studied in this paper. The CFD software is used to simulate the gas-liquid two-phase flow in horizontal pipes. Findings from literature research, it is necessary to study the change of flow field with different parameters in the simulation process. To study the flow field, first, a mathematical model of gas-liquid two-phase flow pipeline leakage established. The flow field parameters of gas-liquid two-phase flow is calculated under different gas&liquid inlet. Then, the fluent is used to solve the flow field, and the appropriate acoustic model is selected to realize the conversion of flow pattern to sound field. Finally, the simulation results are analyzed and verified through experiments. In this paper, we have simulated the change characteristics of the flow field and sound field of different flow pattern, leakage position, aperture size and the sound field, which is helpful to further understand and grasp the location and propagation law of the leakage source.

scholarly journals Flow Pattern of Gas-Liquid Two-Phase Flow in a U Bend Pipeline with Upper and Lower Horizontal Pipes.

1996 ◽  
Vol 10 (1) ◽  
pp. 39-49
Author(s):  
Tadashi SAKAGUCHI ◽  
Yoshihiko FUJII ◽  
Shigeo HOSOKAWA ◽  
Hisato MINAGAWA ◽  
Takashi UENO ◽  
...  
Keyword(s):  
Flow Pattern ◽  
Two Phase Flow ◽  
Phase Flow ◽  
Two Phase ◽  
Horizontal Pipes

Status of Advanced Two-Phase Flow Model Development for SRM Chamber Flow Field and Combustion Modeling

2004 ◽  
Author(s):  
Gary Luke ◽  
Mark Eagar ◽  
Michael Sears ◽  
Scott Felt ◽  
Bob Prozan
Keyword(s):  
Flow Field ◽  
Flow Model ◽  
Two Phase Flow ◽  
Model Development ◽  
Phase Flow ◽  
Two Phase ◽  
Combustion Modeling

Upward Vertical Two-Phase Flow Through an Annulus—Part II: Modeling Bubble, Slug, and Annular Flow

1992 ◽  
Vol 114 (1) ◽  
pp. 14-30 ◽  
Author(s):  
E. F. Caetano ◽  
O. Shoham ◽  
J. P. Brill
Keyword(s):  
Flow Pattern ◽  
Annular Flow ◽  
Two Phase Flow ◽  
Flow Behavior ◽  
Bubble Flow ◽  
Phase Flow ◽  
Two Phase ◽  
Flow Through ◽  
Physical Phenomena ◽  
Good Agreement

Mechanistic models have been developed for each of the existing two-phase flow patterns in an annulus, namely bubble flow, dispersed bubble flow, slug flow, and annular flow. These models are based on two-phase flow physical phenomena and incorporate annulus characteristics such as casing and tubing diameters and degree of eccentricity. The models also apply the new predictive means for friction factor and Taylor bubble rise velocity presented in Part I. Given a set of flow conditions, the existing flow pattern in the system can be predicted. The developed models are applied next for predicting the flow behavior, including the average volumetric liquid holdup and the average total pressure gradient for the existing flow pattern. In general, good agreement was observed between the experimental data and model predictions.

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