A self-adaptive strategy for the time integration of Navier-Stokes equations

FX Trias, O Lehmkuhl - Numerical Heat Transfer, Part B …, 2011 - Taylor & Francis
An efficient self-adaptive strategy for the explicit time integration of Navier-Stokes equations
is presented. Unlike the conventional explicit integration schemes, it is not based on a …

Numerical simulation of natural convection of nanofluids in a square cavity with several pairs of heaters and coolers (HACs) inside

F Garoosi, G Bagheri, F Talebi - International Journal of Heat and Mass …, 2013 - Elsevier
In this study, natural convection inside a square cavity filled with nanofluids with several
pairs of heaters and coolers (HACs) inside is investigated numerically in the range of …

Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Rayleigh numbers up to 1011–Part I: Numerical methods and time-averaged flow

FX Trias, A Gorobets, M Soria, A Oliva - … Journal of Heat and Mass Transfer, 2010 - Elsevier
A set of direct numerical simulations of a differentially heated cavity of aspect ratio 4 with
adiabatic horizontal walls is presented. The five configurations selected here (Rayleigh …

Assessment of turbulence models in natural convection from two-and three-dimensional rectangular enclosures

Z Altaç, N Uğurlubilek - International Journal of Thermal Sciences, 2016 - Elsevier
In this study, unsteady turbulent natural convection heat transfer in two-and three-
dimensional rectangular enclosures is investigated numerically. The enclosures are heated …

Natural convection in an air-filled cavity: Experimental results at large Rayleigh numbers

D Saury, N Rouger, F Djanna, F Penot - International Communications in …, 2011 - Elsevier
A large-scale experimental setup is built and instrumented. It consists in a 4m-high cavity
with a horizontal cross-section equal to 0.86× 1.00 m². Two opposite vertical walls are …

DNS and RANS modelling of a turbulent plane impinging jet

JE Jaramillo, FX Trias, A Gorobets… - International Journal of …, 2012 - Elsevier
The main objective of this paper is to study in detail the fluid flow and the heat transfer in
plane impinging jets. Mean and fluctuating velocities and global parameters, ie the local …

Non-Oberbeck-Boussinesq effects due to large temperature differences in a differentially heated square cavity filled with air

Q Wang, SN Xia, R Yan, DJ Sun, ZH Wan - International Journal of Heat …, 2019 - Elsevier
We numerically investigate non-Oberbeck-Boussinesq (NOB) effects due to large
temperature differences in a two-dimensional differentially heated square cavity using low …

Laminar to turbulent flow transition inside the boundary layer adjacent to isothermal wall of natural convection flow in a cubical cavity

X Wen, LP Wang, Z Guo, DB Zhakebayev - International Journal of Heat …, 2021 - Elsevier
We investigate three-dimensional natural convection flow in an air-filled, differentially heated
cubical cavity. The vertical wall on the left is heated and the vertical wall on the right is …

Heat transfer enhancement in vertical convection under spatially harmonic temperature modulation

KL Chong, S Qiao, JZ Wu, BF Wang - … Journal of Heat and Mass Transfer, 2024 - Elsevier
In this study, we investigate the impact of spatial temperature modulation on vertical
convection (VC) and analyze how the efficiency of heat transfer varies with modulation …

[HTML][HTML] Development of unsteady natural convection in a square cavity under large temperature difference

X Wen, LP Wang, Z Guo - Physics of Fluids, 2021 - pubs.aip.org
To investigate how the nonuniform fluid density distribution caused by large temperature
variations affects the development of unsteady natural convection, we perform a series of …