Validation of closure models for interfacial drag and turbulence in numerical simulations of horizontal stratified gas–liquid flows

T Höhne, JP Mehlhoop - International Journal of Multiphase Flow, 2014 - Elsevier
The development of general models closer to physics and including less empiricism is a
long-term objective of the activities of the HZDR research programs. Such models are an …

Experimental investigation of the thermal performance in a single-component two-phase flow in multistream multi-fluid plate-fin heat exchangers

A Vaisi, K Javaherdeh, R Moosavi - International Journal of Thermal …, 2022 - Elsevier
This paper focuses on evaluating the effects of flow rate and temperature changes of hot and
cold fluid flows in multistream multi-fluid plate-fin heat exchangers with a single-component …

Linear and nonlinear spatio-temporal instability in laminar two-layer flows

P Valluri, LÓ Náraigh, H Ding… - Journal of Fluid …, 2010 - cambridge.org
The linear and nonlinear spatio-temporal stability of an interface separating two Newtonian
fluids in pressure-driven channel flow at moderate Reynolds numbers is analysed both …

Linear instability, nonlinear instability and ligament dynamics in three-dimensional laminar two-layer liquid–liquid flows

LO Naraigh, P Valluri, DM Scott, I Bethune… - Journal of fluid …, 2014 - cambridge.org
We consider the linear and nonlinear stability of two-phase density-matched but viscosity-
contrasted fluids subject to laminar Poiseuille flow in a channel, paying particular attention to …

Advanced simulation of transient multiphase flow & flow assurance in the oil & gas industry

D Lakehal - The Canadian Journal of Chemical Engineering, 2013 - Wiley Online Library
We discuss here current computational trends (beyond Mechanistic 1D Models) related to
transient multiphase flow and flow assurance problems in the oil and gas sector. The …

Characterization of linear interfacial waves in a turbulent gas-liquid pipe flow

AA Ayati, PSC Farias, LFA Azevedo, IB de Paula - Physics of Fluids, 2017 - pubs.aip.org
The evolution of interfacial waves on a stratified flow was investigated experimentally for air-
water flow in a horizontal pipe. Waves were introduced in the liquid level of stratified flow …

[PDF][PDF] Closure relations of the one-dimensional two-fluid model for the simulation of slug flows

M Montini - 2011 - core.ac.uk
The present research is a development of an existing numerical methodology, based on a
one-dimensional two-fluid model. This model is capable of simulating two-phase slug flow …

Interfacial instability in turbulent flow over a liquid film in a channel

LÓ Náraigh, PDM Spelt, OK Matar, TA Zaki - International Journal of …, 2011 - Elsevier
We revisit the stability of a deformable interface that separates a fully-developed turbulent
gas flow from a thin layer of laminar liquid. Although this problem has received considerable …

Euler-euler modeling of segregated flows and flows with transitions between different flow morphologies

T Höhne - Handbook of multiphase flow science and technology, 2023 - Springer
Stratified two-phase flows are relevant in many industrial applications, eg, pipelines,
horizontal heat exchangers, and storage tanks. Special flow characteristics as flow rate …

Scaling two-phase gas-liquid flow in horizontal pipes

MA Tarahomi, M Emamzadeh, M Ameri - Chemical Engineering Research …, 2023 - Elsevier
Two-phase flow in pipelines is analyzed by experimental facilities and also numerical
analysis. The experimental facilities are designed by scale-down field pipelines. Therefore …