A high order finite difference solver for simulations of turbidity currents with high parallel efficiency
We present a high order finite difference solver, ParaTC, for the direct numerical simulations
of turbidity currents with canonical turbulent channel configuration (periodic boundary …
of turbidity currents with canonical turbulent channel configuration (periodic boundary …
Analysis of turbulent flow and thermal structures in low-Prandtl number buoyant flows using direct numerical simulations
A direct numerical simulation (DNS) database is presented for turbulent flow and heat
transfer in a vertical channel for Reynolds number Re τ= 150 and 640, Prandtl number Pr …
transfer in a vertical channel for Reynolds number Re τ= 150 and 640, Prandtl number Pr …
Challenge Problem 1: Benchmark Specifications for the Direct Numerical Simulation of Canonical Flows
In this report detailed specifications for the canonical problems to study the heat transfer in
different coolants, geometries and conditions are presented. The scope has been chosen …
different coolants, geometries and conditions are presented. The scope has been chosen …
[HTML][HTML] Mixed convection study on the influence of low Prandtl numbers and buoyancy in turbulent heat transfer using DNS
W Guo, HM Prasser - Annals of Nuclear Energy, 2021 - Elsevier
Direct numerical simulation (DNS) is performed to study turbulent heat transfer in Poiseuille-
Rayleigh-Bénard (PRB) flows with low Prandtl numbers in this article. The mesh is Cartesian …
Rayleigh-Bénard (PRB) flows with low Prandtl numbers in this article. The mesh is Cartesian …
Mixed convection heat transfer characteristics of nanofluid under magnetic field based on discrete unified gas kinetics scheme
In this paper, we proposed a discrete unified gas kinetic scheme (DUGKS) into the mixed
convection issue coupled in a magnetic field and verified the accuracy by comparing with a …
convection issue coupled in a magnetic field and verified the accuracy by comparing with a …
Direct numerical simulation of turbulent heat transfer in liquid metals in buoyancy-affected vertical channel
W Guo, HM Prasser - International Journal of Heat and Mass Transfer, 2022 - Elsevier
This article investigates the impact of buoyancy force in a vertical channel with combined
natural and forced convection liquid metal flow using direct numerical simulation (DNS). In …
natural and forced convection liquid metal flow using direct numerical simulation (DNS). In …
Assessment of low-and high-fidelity turbulence models for heat transfer predictions in low-prandlt number flows
Linear eddy viscosity-based Reynolds-averaged Navier-Stokes (RANS), hybrid RANS/Large
Eddy Simulation (LES), and LES models are applied for simulations of plane channel flow at …
Eddy Simulation (LES), and LES models are applied for simulations of plane channel flow at …
Turbulence budgets and statistics analysis of mixed convection liquid metal flow in horizontal channel using DNS
Mixed convection turbulent flows of liquid metal flowing through horizontal channel with
varying Richardson number is studied using DNS. Fluids with Re b= 4667 and Pr= 0. 025 …
varying Richardson number is studied using DNS. Fluids with Re b= 4667 and Pr= 0. 025 …
Influence of Prandtl number on bifurcation and pattern variation of non-isothermal annular Poiseuille flow
The relative influence of momentum diffusivity and thermal diffusivity, in terms of the Prandtl
number (Pr), on the finite-amplitude instability of a non-isothermal annular Poiseuille flow …
number (Pr), on the finite-amplitude instability of a non-isothermal annular Poiseuille flow …
Comparisons of temperature structures with turbulent structures in thermally stratified channel flows by direct numerical simulation
S Feng, H Liu, H Liu, X Zheng - International Journal of Heat and Fluid Flow, 2024 - Elsevier
Direct numerical simulation (DNS) in the thermally stratified turbulent channel flow with the
Boussinesq approximation at Reynolds number R e τ≈ 395, Prandtl number P r= 0. 71 and …
Boussinesq approximation at Reynolds number R e τ≈ 395, Prandtl number P r= 0. 71 and …