Results 11 to 20 of about 1,318,451 (287)

Modelling of transient gas-liquid flow and pigging in pipes [PDF]

open access: yes, 1999
More and more transient gas-liquid operations in pipes are being successfully applied in the oil and gas industry. Pigging in two-phase pipelines, to remove liquid accumulation or for cleaning purposes, is an important transient operation.
Lima, P. C. R.
core   +7 more sources

Prediction of Liquid Holdup and Solid Holdup in Three-phase Fluidized Bed: Air/Newtonian and non-Newtonian Liquid Systems [PDF]

open access: yesChemical and Biochemical Engineering Quarterly, 2008
Three-phase fluidizing beds have emerged in recent years as one of the most promising devices for three-phase operations. Such a device is of considerable industrial importance in chemical and biochemical industries, wastewater treatment and other biochemical processes.
Sivakumar, V.   +2 more
core   +3 more sources

Pressure Drop Hysteresis of Hydrodynamic States in Packed Tower for Foaming Systems [PDF]

open access: yes, 2011
An experimental investigation was carried out to determine the effects of gas and liquid flow velocities and surface tension on the two-phase phase pressure drop a in a downflow trickle bed reactor. Water and non-Newtonian foaming solutions were employed
Sodhi, Vijay, Gupta, Renu
core   +2 more sources

CFD Modeling and Gas Holdup Measurement in Three-Phase Slurry Bubble Column [PDF]

open access: yesEngineering and Technology Journal, 2009
Gas-Liquid-Solid system as slurry in a reactor have a wide range of applications in industry, a slurry reactor is a vessel containing the catalyst suspended in a liquid phase.
Ali H. Jawad   +2 more
doaj   +1 more source

A Hydrodynamic Study in a Sieve Plate Sectionalized Bubble Column [PDF]

open access: yesEngineering and Technology Journal, 2011
The sectionalization of conventional bubble columns to tray bubble column by perforated trays has been used in chemical, biochemical, and petroleum processes as an effective way to improve the gas-liquid contacting efficiency, and reduce liquid ...
Burhan Sadeq Abdulrazzaq
doaj   +1 more source

Experimental study of liquid spreading in structured packings [PDF]

open access: yes, 2012
Optimization of industrial gas-liquid columns dedicated to CO2 capture requires prediction of liquid distribution within packed beds. In this context, liquid hold-up as well as liquid spreading from a source point have been investigated for Mellapak 250 ...
Roig, Véronique   +2 more
core   +1 more source

Hydrodynamic character of internal-loop airlift reactor

open access: yes浙江大学学报. 农业与生命科学版, 2003
Gas holdup and liquid circulation velocity are the mostly important hydrodynamic characters and state parameters of internal-loop airlift reactor. In this paper, the influence of gas holdup and liquid circulation velocity on the performance of the ...
LU Gang, ZHENG Ping
doaj   +1 more source

Computational Investigation of Liquid Holdup and Wetting Efficiency Inside Trickle Bed Reactors with Different Catalyst Particle Shapes

open access: yesApplied Sciences, 2020
Liquid holdup and wetting efficiency are essential parameters for design of trickle bed reactors. Both parameters play an important role in reactor performance including pressure drop, conversion, and heat transfer.
Hao Deng   +4 more
doaj   +1 more source

Surrogate Model with a Deep Neural Network to Evaluate Gas–Liquid Flow in a Horizontal Pipe

open access: yesEnergies, 2020
This study developed a data-driven surrogate model based on a deep neural network (DNN) to evaluate gas−liquid multiphase flow occurring in horizontal pipes.
Yongho Seong   +3 more
doaj   +1 more source

Correlation Analysis on the Main Controlling Factors on Corrosion of High Sulfur Associated Gas Pipeline in Tahe Oilfield [PDF]

open access: yesCailiao Baohu, 2022
To make an effective correlation analysis on the factors influencing the corrosion and perforation of high sulfur associated gas pipeline in Tahe Oilfield, the pipeline flow parameters were calculated using multiphase flow transient model, and a method ...
CHENG Xiao - jun, XIAO Wen - wen, ZENG Wen - guang, LIU Qing - shan, LIAO Ke - xi, CHEN Wei, GE Peng - li, XU Yan - yan, YANG Na
doaj   +1 more source

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