Dynamic identification method for flow patterns of liquid-solid two-phase flow in horizontal pipelines by ZHUJUNLIANG Junliang, ZHAOZHIFENG, WANGSHUGANG, JIANG Shuang

Subjects: “…Liquid-solid two-phase low…”
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Numerical Simulation and Holdup Prediction of Oil-Water Two-Phase in Low Yield Shale Oil Near Horizontal Wells by QIN Honglong, LIU Junfeng, SHI Shoubo, DAI Yuexiang

“…To investigate the oil-water two-phase flow behavior in low-production near-horizontal wells, 11 downhole pipeline models with varying well deviations (inclination angles), an inner diameter of 0.124 m, and a length of 6 m were established using ANSYS Fluent. …”
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A flow pattern recognition method for gas-liquid two-phase flow based on dilated convolutional channel attention mechanism. by Jie Liu, Yang Wu

“…Considering the limited scale of the experimental dataset, pretrained DenseNet121 weights on ImageNet were transferred to ED-DenseNet using transfer learning. On a gas-liquid two-phase flow image dataset containing Annular, Bubbly, Churn, Dispersed, and Slug flow patterns, ED-DenseNet achieved an overall recognition accuracy of 97.82%, outperforming state-of-the-art models such as Flow-Hilbert-CNN, especially in complex and transitional flow scenarios. …”
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The Characteristics of Gas-Water Two-Phase Radial Flow in Clay-Silt Sediment and Effects on Hydrate Production by Cheng Lu, Xuwen Qin, Lu Yu, Lantao Geng, Wenjing Mao, Hang Bian, Fanle Meng

“…The relative permeability analysis shows that the two-phase flow zone is narrow and maximum gas relative permeability is below 0.1. …”
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Virtual metering of gas-liquid two-phase flow in oil nozzles based on physical-data fusion by Qing LI, Hongfei LIU, Manqing JIN, Ying ZHANG, Fachun LIANG

“…Taking a 10 mm real nozzle as the test object, the experimental tests were carried out on a gas-liquid two-phase flow loop. In the tests, the converted velocity range of gas phase was 1.73–12.09 m/s while that of liquid phase was 0.03–0.35 m/s. …”
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Application of Imaging Algorithms for Gas–Water Two-Phase Array Fiber Holdup Meters in Horizontal Wells by Ao Li, Haimin Guo, Yue Niu, Xin Lu, Yiran Zhang, Haoxun Liang, Yongtuo Sun, Yuqing Guo, Dudu Wang

“…The flow dynamics of low-yield horizontal wells demonstrate considerable complexity and unpredictability, chiefly attributable to the structural attributes of the wellbore and the interplay of gas–water two-phase flow. …”
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Application of Array Imaging Algorithms for Water Holdup Measurement in Gas–Water Two-Phase Flow Within Horizontal Wells by Haimin Guo, Ao Li, Yongtuo Sun, Liangliang Yu, Wenfeng Peng, Mingyu Ouyang, Dudu Wang, Yuqing Guo

“…Gas–water two-phase flow in horizontal and inclined wells is significantly influenced by gravitational forces and spatial asymmetry around the wellbore, resulting in complex and variable flow patterns. …”
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Estudio y modelación del flujo bifásico líquido-gas para bajos valores de Reynolds//Study and modelation for low reynolds value of two phases flow liquid-gas by Annamaris Olmo Velázquez, Margarita de la Victoria Piedra-Díaz, Leorlen Rojas-Mazaira, Melchor Rodríguez-Madrigal, Erich Martínez-Martín

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Improved Crystalline Quality of AlN by Epitaxial Lateral Overgrowth Using Two-Phase Growth Method for Deep-Ultraviolet Stimulated Emission by Xiang Chen, Jianchang Yan, Yun Zhang, Yingdong Tian, Yanan Guo, Shuo Zhang, Tongbo Wei, Junxi Wang, Jinmin Li

“…Compared with the single low V/III ratio growth, the two-phase growth method can lead to a coherent coalescence at the second growth stage and hence suppress new dislocations generating at the coalescence fronts. …”
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Experimental Study of Saturated Flow Boiling Heat Transfer in an Array of Micro-pin-fins by 李慧君, 郭保仓, 杜保周, 刘志刚, 吕明明

“…Experiments were carried out to investigate the saturated flow boiling heat transfer and visualize the two-phase flow patterns for deionized water in a micro-pin-fin heat sink with cylindrical fins with a height of 500 μm and diameter of 500 μm. …”
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A Review on Flow Pattern Maps of Condensation in Horizontal Tubes by Zhuang Xiaoru, Gong Maoqiong, Zou Xin, Chen Gaofei, Wu Jianfeng

“…Two-phase flow pattern is important for investigating heat transfer coefficients and pressure drops of condensation in horizontal tubes. …”
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Aperture Field Anisotropy Control on Immiscible Displacement Patterns in Rough Fractures by Kun Xing, Xiaoqing Shi, Zhibing Yang, Xueyuan Kang, Siyuan Qiang, Jichun Wu

“…This study demonstrates the critical role of aperture field anisotropy in controlling two‐phase displacement patterns and provides a theoretical framework for predicting multiphase flow behavior in natural fractures.…”
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Spatiotemporal patterns and influencing factors of genotypic resistance testing utilization among people living with HIV: A 10-year retrospective analysis at a tertiary care hospit... by Defu Yuan, Fei Zhao, Shanshan Liu, Li Li, Hongxia Yan, Lifeng Liu, Tong Zhang, Christiane Moog, Bei Wang, Bin Su

“…GRT rates showed a significant two-phase upward trend, increasing from 5.36 % in 2014 to 74.17 % in 2023, with an average annual percentage change of 31.30 % (P < 0.001). …”
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Review and Evaluation of Slip-ratio-based Void Fraction Prediction Models by HE Wen, HAN Jinyu, ZHAO Chenru, LI Yanlin, BO Hanliang

“…Void fraction is an important parameter in gas-liquid two-phase flow, which is closely related to the flow pattern, pressure drop, and heat transfer of the flow field. …”

Dataset from an experiment on transitivityDSPACE by Jorge Guadalupe-Lanas, Verónica Artola-Jarrín, Jorge Cruz-Cárdenas

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Multi-Type Change Detection and Distinction of Cultivated Land Parcels in High-Resolution Remote Sensing Images Based on Segment Anything Model by Zhongxin Huang, Xiaomei Yang, Yueming Liu, Zhihua Wang, Yonggang Ma, Haitao Jing, Xiaoliang Liu

“…By performing spatial connection analysis on cultivated land parcel units extracted by the SAM for two phases and combining multiple features such as texture features (GLCM), multi-scale structural similarity (MS-SSIM), and normalized difference vegetation index (NDVI), precise identification of cultivation type and pattern change areas was achieved. …”
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Research on Mechanism of Methanol–Hydrogen Co-Transport Inhibiting Hydrogen Embrittlement in Pipeline Steel by Li Xiao, Jia Gu, Hongwei Yang, Lei Chen, Gang Liu

“…Through the adoption of methanol–hydrogen two-phase mixed transportation and the rational control of the gas–liquid flow pattern, it is promising to achieve the coordinated transportation of various hydrogen energy carriers while effectively inhibiting the hydrogen embrittlement of pipeline materials.…”
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Experimental and Numerical Study on Gas-Liquid Flow in Hilly-Terrain Pipeline-Riser Systems by Zhaoyang He, Limin He, Haixiao Liu, Dan Wang, Xiaowei Li, Qingping Li

“…In this paper, gas is regarded as power in the flow of gas and liquid, and the accumulation of liquid in low-lying areas is regarded as an obstacle. Then, the moment of gas-liquid blowout is studied as main research object, and the mechanism of flow pattern transformation is described in detail. …”
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Study on influences of geological and gas source conditions on gas-chimney hydrate accumulation using a reservoir numerical simulation method by Liang Zhang, Fuyang Li, Lu Yu, Songhe Geng, Chunjie Li, Yujie Sun

“…Hydrate accumulation takes shape in an annular or semi-annular distribution pattern divided by fluid state as follows: a two-phase gas–water zone, a three-phase gas–water–hydrate zone, a two-phase water–hydrate zone, and a phase of water passing from the inside to the outside. …”
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Computational Fluid Dynamics Simulation and Analysis of Non-Newtonian Drilling Fluid Flow and Cuttings Transport in an Eccentric Annulus by Muhammad Ahsan, Shah Fahad, Muhammad Shoaib Butt

“…This study examines the flow behavior as well as the cuttings transport of non-Newtonian drilling fluid in the geometry of an eccentric annulus, accounting for what impacts drill pipe rotation might have on fluid velocity, as well as annular eccentricity on axial and tangential distributions of velocity. A two-phase Eulerian–Eulerian model was developed by using computational fluid dynamics to simulate drilling fluid flow and cuttings transport. …”
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