One-point closure models for buoyancy-driven turbulent flows

K Hanjalić - Annual review of fluid mechanics, 2002 - annualreviews.org
▪ Abstract Turbulent flows driven by thermal buoyancy are featured by phenomena that pose
a special challenge to conventional one-point closure models. Inherent unsteadiness …

[图书][B] Modelling turbulence in engineering and the environment: second-moment routes to closure

K Hanjalić, B Launder - 2011 - books.google.com
Modelling transport and mixing by turbulence in complex flows is one of the greatest
challenges for CFD. This highly readable volume introduces the reader to a level of …

Contribution to elliptic relaxation modelling of turbulent natural and mixed convection

S Kenjereš, SB Gunarjo, K Hanjalić - International Journal of Heat and Fluid …, 2005 - Elsevier
The paper reports on recent developments in modelling and numerical computations of
natural and mixed convection based on newly developed quasi-linear algebraic heat flux …

Numerical modeling of buoyancy-driven turbulent flows in enclosures

KJ Hsieh, FS Lien - International Journal of Heat and Fluid Flow, 2004 - Elsevier
Modeling turbulent natural convection in enclosures with differentially heated vertical walls
is numerically challenging, in particular, when low-Reynolds-number (low-Re) models are …

Computational study of turbulent natural convection in a side-heated near-cubic enclosure at a high Rayleigh number

HS Dol, K Hanjalić - International Journal of Heat and Mass Transfer, 2001 - Elsevier
A computational study of turbulent natural convection in a side-heated near-cubic enclosure
at a high Rayleigh number (Ra= 4.9× 1010) is performed, aimed at gaining a better insight …

A POD-Galerkin reduced order model of a turbulent convective buoyant flow of sodium over a backward-facing step

S Star, G Stabile, G Rozza, J Degroote - Applied Mathematical Modelling, 2021 - Elsevier
Abstract A Finite-Volume based POD-Galerkin reduced order modeling strategy for steady-
state Reynolds averaged Navier–Stokes (RANS) simulation is extended for low-Prandtl …

On the use of (U) RANS and LES approaches for turbulent incompressible single phase flows in nuclear engineering applications

S Benhamadouche - Nuclear Engineering and Design, 2017 - Elsevier
The present paper gives some ideas and guidelines in order to run high quality (U) RANS or
LES computations. The paper starts with (U) RANS approaches, advocating the use of …

Data-driven algebraic models of the turbulent Prandtl number for buoyancy-affected flow near a vertical surface

X Xu, A Ooi, RD Sandberg - International Journal of Heat and Mass …, 2021 - Elsevier
The behaviour of the turbulent Prandtl number (Pr t) for buoyancy-affected flows near a
vertical surface is investigated as an extension study of Gibson & Leslie, Int. Comm. Heat …

Characteristics of turbulent heat transfer in an annulus at supercritical pressure

JWR Peeters, R Pecnik, M Rohde, T Van Der Hagen… - Physical review fluids, 2017 - APS
Heat transfer to fluids at supercritical pressure is different from heat transfer at lower
pressures due to strong variations of the thermophysical properties with the temperature. We …

Analysis and modelling of the temperature variance equation in turbulent natural convection for low-Prandtl-number fluids

I Otić, G Grötzbach, M Woerner - Journal of Fluid Mechanics, 2005 - cambridge.org
Analysis and modelling of the temperature variance equation in turbulent natural convection
for low-Prandtl-number fluids Page 1 J. Fluid Mech. (2005), vol. 525, pp. 237–261. c 2005 …