Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate
To reduce the cost of arranging air foam flooding equipment at each wellhead, a method of establishing centralized air foam flooding injection stations is proposed. The flow pattern and resistance characteristics of air foam flooding mixtures in different initial conditions are studied. Experimental...
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doaj-5a8ea78922584304a92d88b650c1333a2021-07-15T15:32:43ZengMDPI AGEnergies1996-10732021-06-01143722372210.3390/en14133722Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow RateBin Wang0Jianguo Hu1Weixiong Chen2Zhongzhao Cheng3Fei Gao4Changqing Engineering Design Co., Ltd., Xi’an 710020, ChinaChangqing Engineering Design Co., Ltd., Xi’an 710020, ChinaState Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaChangqing Engineering Design Co., Ltd., Xi’an 710020, ChinaChangqing Engineering Design Co., Ltd., Xi’an 710020, ChinaTo reduce the cost of arranging air foam flooding equipment at each wellhead, a method of establishing centralized air foam flooding injection stations is proposed. The flow pattern and resistance characteristics of air foam flooding mixtures in different initial conditions are studied. Experimental results indicate that the probability density function of stratified flow is obtained by comparing stainless steel and transparent pipes. If the gas–liquid ratio is kept constant, then the shape of the probability density function remains unchanged in both stainless steel and transparent tubes. Meanwhile, the flow pattern under the gas–liquid ratio is determined by comparing the image recognition results with the probability density function, and a formula for calculating the resistance and pressure drop of the gas and liquid two-phase flow in the horizontal and upward pipes is established. Compared with the experiments, the error results of the calculation are small. Thus, the proposed equations can be used to predict the flow resistance of real air foam flooding.https://www.mdpi.com/1996-1073/14/13/3722flow patternresistancegas–liquid flow rate |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Bin Wang Jianguo Hu Weixiong Chen Zhongzhao Cheng Fei Gao |
spellingShingle |
Bin Wang Jianguo Hu Weixiong Chen Zhongzhao Cheng Fei Gao Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate Energies flow pattern resistance gas–liquid flow rate |
author_facet |
Bin Wang Jianguo Hu Weixiong Chen Zhongzhao Cheng Fei Gao |
author_sort |
Bin Wang |
title |
Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate |
title_short |
Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate |
title_full |
Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate |
title_fullStr |
Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate |
title_full_unstemmed |
Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate |
title_sort |
flow pattern and resistance characteristics of gas–liquid two-phase flow with foam under low gas–liquid flow rate |
publisher |
MDPI AG |
series |
Energies |
issn |
1996-1073 |
publishDate |
2021-06-01 |
description |
To reduce the cost of arranging air foam flooding equipment at each wellhead, a method of establishing centralized air foam flooding injection stations is proposed. The flow pattern and resistance characteristics of air foam flooding mixtures in different initial conditions are studied. Experimental results indicate that the probability density function of stratified flow is obtained by comparing stainless steel and transparent pipes. If the gas–liquid ratio is kept constant, then the shape of the probability density function remains unchanged in both stainless steel and transparent tubes. Meanwhile, the flow pattern under the gas–liquid ratio is determined by comparing the image recognition results with the probability density function, and a formula for calculating the resistance and pressure drop of the gas and liquid two-phase flow in the horizontal and upward pipes is established. Compared with the experiments, the error results of the calculation are small. Thus, the proposed equations can be used to predict the flow resistance of real air foam flooding. |
topic |
flow pattern resistance gas–liquid flow rate |
url |
https://www.mdpi.com/1996-1073/14/13/3722 |
work_keys_str_mv |
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