Application of Array Imaging Algorithms for Water Holdup Measurement in Gas–Water Two-Phase Flow Within Horizontal Wells [PDF]
SensorsGas–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.
Haimin Guo +7 more
doaj +2 more sources
On-line phase holdup measurement and analysis in flotation columns
, 1994 A technique for on-line simultaneous determination of gas and solids holdup, based on a combination of conductivity and pressure difference measurements, was developed and tested in a laboratory flotation column (10 cm in diameter and 447 cm in height ...
Banisi, Samad
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MASS-TRANSFER AND PHASE HOLDUP CHARACTERISTICS IN 3-PHASE FLUIDIZED-BEDS
Chemical Engineering Communications, 1993 The effects of liquid surface tension (42.6 approximately 72.4 mN/m) and viscosity (1 approximately 214 mPa.S(n)), liquid (0.01 approximately 0.12 m/s) and gas (0.01 approximately 0.20 m/s) velocities and particle sizes (1 approximately 8 mm) on phase ...
Kim, Sang Done, LEE, DH, KIM, JO
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Methods and application for water holdup calculation and flowing image based on array electromagnetic wave instrument in horizontal water-oil wells [PDF]
Youqicang pingjia yu kaifa, 2023 The accurate calculation of the water holdup and the inversion of fluid distribution for multi-phase flow play a crucial role in understanding the development performance in horizontal wells.
CHEN Meng,XIE Weifeng,ZHANG Yu,YANG Guofeng,LIU Xiangjun
doaj +3 more sources
Hydrodynamics of a pilot plant spray extraction column [PDF]
Acta Periodica Technologica, 2018 The hydrodynamic characteristics of the liquid-liquid system of toluene-water in a pilot plant spray extraction column were experimentally determined.
Sovilj Milan N. +2 more
doaj +1 more source
Gas-liquid plug flow liquid holdup measurement using semantic segmentation
You-qi chuyun, 2021 Liquid holdup is one of the most important parameters of gas-liquid two-phase flow. Affected by the image noise, the traditional liquid holdup measurement method based on image processing is difficult to accurately extract the gas-liquid interface ...
Fachun LIANG +4 more
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Analysis of Conductance Probes for Two-Phase Flow and Holdup Applications [PDF]
Sensors, 2020 In this paper we perform an analysis of the conductance probes used in two-phase flow applications especially for two-phase flow tomography of annular flow, to measure the waves produced in the interface with different boundary conditions without perturbing the flow, and in addition we examine the holdup applications as measuring the average void ...
José Luis Muñoz-Cobo +3 more
openaire +5 more sources
Prediction of gas holdup in the three-phase fluidized bed: air/Newtonian and non-Newtonian liquid systems [PDF]
, 2010 Prediction of gas holdup in the three-phase fluidized bed: air/Newtonian and non-Newtonian liquid systems The application of the three-phase fluidization technology in wastewater treatment and other biochemical processes has been regularly
V. Sivakumar +2 more
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The effect of Alcanivorax borkumensis SK2, a hydrocarbon-metabolising organism, on gas holdup in a 4-phase bubble column bioprocess [PDF]
, 2023 To design bioprocesses utilising hydrocarbon-metabolising organisms (HMO) as biocatalysts, the effect of the organism on the hydrodynamics of bubble column reactor (BCR), such as gas holdup, needs to be investigated.
Abufalgha, Ayman A. +7 more
core +1 more source
Contractual Holdup and Legal Intervention [PDF]
, 2007 This article develops the point that incentive and risk-bearing problems associated with contractual holdup may justify legal intervention. Contractual holdup is considered both for fresh contracts and for modifications of contracts.
Shavell, Steven M. +2 more
core +2 more sources