Flow visualization in centrifugal pumps: A review of methods and experimental studies

RM Perissinotto, WM Verde, JL Biazussi… - Journal of Petroleum …, 2021 - Elsevier
Methods for flow visualization have been decisive for the historical development of fluid
mechanics. In recent years, technological advances in cameras, lasers, and other devices …

Intermittent slug flow identification and characterization from pressure signature

SC Vieira, C van der Geest, AT Fabro… - … Systems and Signal …, 2021 - Elsevier
Despite of its occurrence in several industrial applications, it remains an open issue to
accurately predict the behavior of multiphase flow. More specifically, when direct …

A two-state Markov chain model for slug flow in horizontal ducts

SC Vieira, AT Fabro, RLP Rodrigues… - Flow Measurement and …, 2023 - Elsevier
Intermittent flows are common flow patterns in gas–liquid horizontal flow and attract attention
and great research effort due to its importance for industrial and engineering applications …

Modeling and design of a new conductance probe for gas void fraction measurement of two-phase flow through annulus

N Ghendour, A Azzi, M Meribout, A Zeghloul - Flow Measurement and …, 2021 - Elsevier
Gas-liquid two-phase flow in annulus channels is encountered in several industrial
applications, and the Gas Void Fraction (GVF) measurement of such flow is crucial for either …

Influence of aqueous foam on gas–liquid flow development of hilly-terrain wet gas pipeline with surfactant injection

P Yin, X Huang, J Li, W Li, X Cao, J Bian… - Chemical Engineering …, 2023 - Elsevier
This study presents surfactant injection as a replacement technology for mechanical pigging
to reduce liquid accumulation for wet gas transmission. The hilly terrain gas/liquid flow …

Taylor bubble velocity in transition from pipe to annulus geometry

VK Scariot, E Pereyra, C Sarica - International Journal of Multiphase Flow, 2023 - Elsevier
The present study focuses on characterizing and modeling the Taylor bubble front and tail
velocities in a pipe-to-annulus transition geometry. Air-water bubble release experiments in …

Experimental investigation of gas-liquid separation for two-phase flow within annular duct of an ESP skid

SC Vieira, DAS Custódio, WM Verde… - Journal of Petroleum …, 2021 - Elsevier
Although common in several sectors of the industry, undeveloped two-phase flow in annular
ducts has yet to receive attention from researchers. This work investigates experimentally …

[PDF][PDF] Horizontal Two-Phase Slug Flow Travelling Wave

SC Vieira - 2022 - repositorio.unicamp.br
Intermittent flows are common patterns in horizontal geometries and attract attention and
great research effort due to its importance for industrial and engineering applications. One of …

Non-unique solutions for flow depth and velocity estimations in free-surface annular-channel for single-phase viscous flows

LE Ortiz-Vidal, GH Fiorot - Geoenergy Science and Engineering, 2023 - Elsevier
Flow depth and mean velocity estimations for partially filled annular ducts are performed
using a one-dimensional free-surface flow formulation. The formulation considers a …

Modeling of gas–liquid separation inside a slightly inclined annular duct

SC Vieira, MRM Penteado, MS de Castro… - AIChE …, 2021 - Wiley Online Library
Electrical submersible pumping (ESP) is an artificial lift system used in the petroleum
industry. ESP skid is an equipment in which the pump is housed inside a pipe forming a …