DNS of turbulent heat transfer in channel flow with low to medium-high Prandtl number fluid

H Kawamura, K Ohsaka, H Abe, K Yamamoto - International Journal of Heat …, 1998 - Elsevier
The direct numerical simulation (DNS) of the turbulent heat transfer for various Prandtl
numbers ranging from 0.025 to 5 are performed to obtain statistical quantities such as …

Direct numerical simulation of compressible turbulent channel flow between adiabatic and isothermal walls

Y Morinishi, S Tamano, K Nakabayashi - Journal of Fluid Mechanics, 2004 - cambridge.org
In this paper, the effects of adiabatic and isothermal conditions on the statistics in
compressible turbulent channel flow are investigated using direct numerical simulation …

A 3D-CFD methodology to investigate boundary layers and assess the applicability of wall functions in actual industrial problems: A focus on in-cylinder simulations

F Berni, S Fontanesi - Applied Thermal Engineering, 2020 - Elsevier
In the industrial practice, 3D-CFD in-cylinder simulations still largely rely on RANS
turbulence models and high-Reynolds wall treatments, ie based on wall functions. However …

Investigation on the characteristics of turbulence transport for momentum and heat in a drag-reducing surfactant solution flow

FC Li, Y Kawaguchi, K Hishida - Physics of Fluids, 2004 - pubs.aip.org
Simultaneous measurements of the velocity (u and ν in the streamwise and wall-normal
directions, respectively) and temperature fluctuations (θ) in the thermal boundary layer were …

Direct numerical simulations of supersonic turbulent channel flows of dense gases

L Sciacovelli, P Cinnella, X Gloerfelt - Journal of Fluid Mechanics, 2017 - cambridge.org
The influence of dense-gas effects on compressible wall-bounded turbulence is investigated
by means of direct numerical simulations of supersonic turbulent channel flows. Results are …

Direct simulations for wall modeling of multicomponent reacting compressible turbulent flows

O Cabrit, F Nicoud - Physics of Fluids, 2009 - pubs.aip.org
A study of multicomponent reacting channel flows with significant heat transfer and low
Mach number has been performed using a set of direct and wall-resolved large-eddy …

Turbulent scalar transport mechanisms in plane channel and Couette flows

B Debusschere, CJ Rutland - International Journal of heat and mass …, 2004 - Elsevier
To investigate the transport of scalars by turbulent flows with different shear stresses, direct
numerical simulations were performed of passive heat transfer in a plane channel and …

Pressure, density, temperature and entropy fluctuations in compressible turbulent plane channel flow

GA Gerolymos, I Vallet - Journal of fluid mechanics, 2014 - cambridge.org
We investigate the fluctuations of thermodynamic state variables in compressible
aerodynamic wall turbulence, using results of direct numerical simulation (DNS) of …

Near wall temperature measurements and turbulent features in a water flow at transition Reynolds numbers in a square heated asymmetric cavity channel

D Auliano, M Auliano, E Næss - Thermal Science and Engineering …, 2023 - Elsevier
Passive cooling configurations are attracting an increasing interest in different thermal
management applications. Nevertheless, a more efficient design requires deeper …

Relationship between the heat transfer law and the scalar dissipation function in a turbulent channel flow

H Abe, RA Antonia - Journal of Fluid Mechanics, 2017 - cambridge.org
Integration across a fully developed turbulent channel flow of the transport equations for the
mean and turbulent parts of the scalar dissipation rate yields relatively simple relations for …