Flow-field evolution and vortex structure characteristics of a high-temperature buoyant jet

Y Huang, W Wang, K Lu, Y Wang, C Jiang… - Building and …, 2021 - Elsevier
High-temperature buoyant jets generally exist at the exhaust port during the casting process.
Canopy hoods are employed to capture these jets in industrial plants. However, because of …

Computational models for turbulent thermal plumes: recent advances and challenges

R Kumar, A Dewan - Heat transfer engineering, 2014 - Taylor & Francis
Thermal plumes have been the subject of research due to their technological and
environmental importance in many physical processes, such as spread of smoke and toxic …

Large eddy simulation of turbulent horizontal buoyant jets

NS Ghaisas, DA Shetty, SH Frankel - Journal of Turbulence, 2015 - Taylor & Francis
Large eddy simulations (LESs) of turbulent horizontal buoyant jets are carried out using a
high-order numerical method and Sigma subgrid-scale (SGS) eddy-viscosity model, for a …

CFD modelling of marine discharge mixing and dispersion

D Robinson, M Wood, M Piggott… - Journal of Applied Water …, 2016 - Taylor & Francis
Many municipal and industrial outfalls release effluent into water bodies. Temperatures
and/or salinities of the effluent and receiving water may be different, and other …

Large eddy simulations of a turbulent thermal plume

ZH Yan - Heat and mass transfer, 2007 - Springer
Large eddy simulations of a three-dimensional turbulent thermal plume in an open
environment have been carried out using a self-developed parallel computational fluid …

On the dynamics of buoyant jets in a linearly stratified ambient

HN Mirajkar, P Mukherjee, S Balasubramanian - Physics of Fluids, 2023 - pubs.aip.org
We report mean flow and turbulence characteristics of a buoyant jet evolving in a linearly
stratified ambient with stratification strength N= 0.4 s− 1⁠. The velocity and density fields are …

Quantitative planar imaging of turbulent buoyant jet mixing

LK Su, DB Helmer, CJ Brownell - Journal of fluid mechanics, 2010 - cambridge.org
Planar Rayleigh scattering provides quantitative mixing measurements in the developing
region of axisymmetric turbulent helium jets issuing into air. The measurements focus on the …

A study of LES stress and flux models applied to a buoyant jet

J Worthy, P Rubini - Numerical Heat Transfer, Part B …, 2005 - Taylor & Francis
Large eddy simulation (LES) stress and scalar flux subgrid scale models are evaluated in
the context of buoyant jets. Eddy viscosity, eddy diffusivity (including formulations of the …

[图书][B] Large-eddy simulation of variable density flows

T Ma - 2006 - search.proquest.com
A fully compressible direct numerical simulation flow and combustion solver (S3D) is
modified and turned into a Large-eddy simulation (LES) solver. In this study, Favre-averaged …

[PDF][PDF] Towards LES models of jets and plumes

AT Webb, NN Mansour - Center for Turbulence Research, Annual …, 2000 - ntrs.nasa.gov
As pointed out by Rodi (1982) standard integral solutions for jets and plumes developed for
discharge into infinite, quiescent ambient are difficult to extend to complex situations …