On the values for the turbulent Schmidt number in environmental flows

C Gualtieri, A Angeloudis, F Bombardelli, S Jha… - Fluids, 2017 - mdpi.com
Computational Fluid Dynamics (CFD) has consolidated as a tool to provide understanding
and quantitative information regarding many complex environmental flows. The accuracy …

Current understanding of subsea gas release: A review

JE Olsen, P Skjetne - The Canadian journal of chemical …, 2016 - Wiley Online Library
In this paper we review the current understanding of bubble plumes discharged from subsea
sources related to oil and gas production, and show how CFD can be applied for risk …

An extended mixture model for the simultaneous treatment of small‐scale and large‐scale interfaces

SM Damián, NM Nigro - International Journal for Numerical …, 2014 - Wiley Online Library
The aim of this work is to present a new model based on the volume of fluid method and the
algebraic slip mixture model in order to solve multiphase gas–fluid flows with different …

Simulation and assessment of underwater gas release and dispersion from subsea gas pipelines leak

L **nhong, C Guoming, Z Renren, Z Hongwei… - Process Safety and …, 2018 - Elsevier
Subsea gas release and dispersion can cause safety concerns such as fire, explosion or
stability loss of floating installations. This paper presents a Computational Fluid Dynamics …

Laboratory measurements and multi-block numerical simulations of the mean flow and turbulence in the non-aerated skimming flow region of steep stepped spillways

FA Bombardelli, I Meireles, J Matos - Environmental fluid mechanics, 2011 - Springer
We present and discuss the results of a comprehensive study addressing the non-aerated
region of the skimming flow in steep stepped spillways. Although flows in stepped spillways …

Large-eddy simulation and parameterization of buoyant plume dynamics in stratified flow

D Yang, B Chen, SA Socolofsky… - Journal of Fluid …, 2016 - cambridge.org
Characteristics of laboratory-scale bubble-driven buoyant plumes in a stably stratified
quiescent fluid are studied using large-eddy simulation (LES). As a bubble plume entrains …

Influence of bubble size, diffuser width, and flow rate on the integral behavior of bubble plumes

B Fraga, T Stoesser - Journal of Geophysical Research …, 2016 - Wiley Online Library
A large‐eddy simulation based Eulerian‐Lagrangian model is employed to quantify the
impact of bubble size, diffuser diameter, and gas flow rate on integral properties of bubble …

Bubbly jets in stagnant water

IEL Neto, DZ Zhu, N Rajaratnam - International Journal of Multiphase Flow, 2008 - Elsevier
Air–water bubbly jets are studied experimentally in a relatively large water tank with a gas
volume fraction, Co, of up to 80% and nozzle Reynolds number, Re, ranging from 3500 to …

CFD predictions for flow‐regime transitions in bubble columns

SM Monahan, VS Vitankar, RO Fox - AIChE journal, 2005 - Wiley Online Library
This work evaluates the ability of multiphase computational fluid dynamics (CFD) models to
predict known flow regimes in air–water bubble columns. An initial grid‐resolution study …

Double-plume integral models for near-field mixing in multiphase plumes

SA Socolofsky, T Bhaumik, DG Seol - Journal of Hydraulic …, 2008 - ascelibrary.org
We present a generalized integral model for multiphase plumes in stratified ambient
conditions based on the double-plume approach, where the plume is composed of a rising …