Results 21 to 30 of about 799,013 (347)

Classification of instabilities in parallel two-phase flow [PDF]

open access: yes, 1996
There is extensive literature on the stability of parallel two-phase flow, both in the context of liquid-liquid as well as gas-liquid flow. Aimed at making this literature more transparent, this paper presents a classification,scheme for the various ...
Boomkamp, P.A.M.   +2 more
core   +10 more sources

Research on Liquid Holdup Measurement by Conductivity Method Based on Forced Annular Flow

open access: yesShiyou jixie, 2022
The accuracy of traditional conductivity method may be easily affected by flow pattern when it is used to measure the liquid holdup of gas-liquid two-phase flow.
Li Zhonghao   +4 more
doaj  

Flow Pattern and Resistance Characteristics of Gas–Liquid Two-Phase Flow with Foam under Low Gas–Liquid Flow Rate

open access: yesEnergies, 2021
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.
Bin Wang   +4 more
doaj   +1 more source

Detection of the gas–liquid two-phase flow regimes using non-intrusive microwave cylindrical cavity sensor [PDF]

open access: yes, 2016
Gas–liquid two-phase flow phenomenon occurs in various engineering applications and the measurement of it is important. A microwave sensor in the form of a cylindrical cavity has been designed to operate between 5 and 5.7 GHz. The aim is to analyse a two
Ahmed Al-Shamma’a   +8 more
core   +1 more source

Gas-liquid plug flow liquid holdup measurement using semantic segmentation

open access: yesYou-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
doaj   +1 more source

An ultrasonic system for profiling bubblers in water [PDF]

open access: yes, 2020
Multi-phase flow occurs as two or more discrete phases flow in a closed pipe or a vessel. Examples of phases include gas, liquid or solid and also different immiscible liquids or solids[1]. Two phase flow of fluids (e.g.
Abdul Rahim, Ruzairi   +3 more
core  

Experimental Study and Prediction Modelling for Slippage Effect of Gas-Liquid Two-Phase Nozzle Flow

open access: yesShiyou jixie, 2022
In order to accurately predict the dynamic parameters of gas-liquid two-phase throttling production of wellbore,a physical simulation test device for gas-liquid two-phase nozzle flow was built.With this device,liquid holdups at different gas-liquid ...
Chen Zhengyu   +3 more
doaj  

Axial and Radial Investigation of Hydrodynamics in a Bubble Column;Influence of Fluids Flow Rates and Sparger Type [PDF]

open access: yes, 2006
A detailed investigation of local hydrodynamics in a pilot plant bubble column has been performed using various techniques, exploring both axial and radial variations of the gas hold-up, bubble average diameter and frequency, surface area.
Billet, Anne-Marie   +2 more
core   +2 more sources

Numerical simulation study of optimal inlet conditions of rectifier nozzle type distributor

open access: yesShipin yu jixie, 2022
Objective: In order to effectively improve or eliminate as much as possible in the refrigeration system, the uneven distribution of gas-liquid two-phase refrigerant in the evaporator leads to the performance decline of the refrigeration system.
SUN Huan   +3 more
doaj   +1 more source

Selective hydrogenation in trickle-bed reactor. Experimental and modelling including partial wetting. [PDF]

open access: yes, 2003
A steady state model of a trickle bed reactor is developed for the consecutive hydrogenation of 1,5,9-cyclododecatriene on a Pd/Al2O3 catalyst. Various experiments have shown that the selectivity of this reaction towards the product of interest is much ...
Delmas, Henri   +3 more
core   +3 more sources

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