[HTML][HTML] A review of the complex flow and heat transfer characteristics in microchannels
J Zhang, Z Zou, C Fu - Micromachines, 2023 - mdpi.com
Continuously improving heat transfer efficiency is one of the important goals in the field of
energy. Compact heat exchangers characterized by microscale flow and heat transfer have …
energy. Compact heat exchangers characterized by microscale flow and heat transfer have …
Thermochemical non-equilibrium effects in turbulent hypersonic boundary layers
A hypersonic, spatially evolving turbulent boundary layer at Mach 12.48 with a cooled wall is
analysed by means of direct numerical simulations. At the selected conditions, massive …
analysed by means of direct numerical simulations. At the selected conditions, massive …
Insights into the turbulent flow of dense gases through high-fidelity simulations
P Cinnella, X Gloerfelt - Computers & Fluids, 2023 - Elsevier
This article reviews recent advances in the understanding of turbulent flows of non-ideal
gases through the use of high-fidelity direct and large eddy simulations. In particular, the …
gases through the use of high-fidelity direct and large eddy simulations. In particular, the …
Direct numerical simulation of a hypersonic transitional boundary layer at suborbital enthalpies
M Di Renzo, J Urzay - Journal of Fluid Mechanics, 2021 - cambridge.org
A Mach-10 hypersonic boundary layer of air overriding a cold, isothermal, non-catalytic flat
wall, and with a stagnation enthalpy of in semi-local viscous units, lead to air dissociation in …
wall, and with a stagnation enthalpy of in semi-local viscous units, lead to air dissociation in …
HTR solver: An open-source exascale-oriented task-based multi-GPU high-order code for hypersonic aerothermodynamics
In this study, the open-source Hypersonics Task-based Research (HTR) solver for
hypersonic aerothermodynamics is described. The physical formulation of the code includes …
hypersonic aerothermodynamics is described. The physical formulation of the code includes …
Linear-model-based study of the coupling between velocity and temperature fields in compressible turbulent channel flows
C Cheng, L Fu - Journal of Fluid Mechanics, 2023 - cambridge.org
It is generally believed that the temperature and the velocity fields are highly coupled in
compressible wall-bounded turbulence. In the present study, we employ a linear model, ie …
compressible wall-bounded turbulence. In the present study, we employ a linear model, ie …
Simulation of a turbulent flow subjected to favorable and adverse pressure gradients
A Uzun, MR Malik - Theoretical and computational fluid dynamics, 2021 - Springer
This paper reports the results from a direct numerical simulation of an initially turbulent
boundary layer passing over a wall-mounted “speed bump” geometry. The speed bump …
boundary layer passing over a wall-mounted “speed bump” geometry. The speed bump …
Turbulence statistics and coherent structures in compressible channel flow
Direct numerical simulations of compressible turbulent channel flows are performed for bulk
Mach numbers 0.8 and 1.5 and bulk Reynolds numbers in the range of 3000–34 000. The …
Mach numbers 0.8 and 1.5 and bulk Reynolds numbers in the range of 3000–34 000. The …
High-subsonic boundary-layer flows of an organic vapour
X Gloerfelt, A Bienner, P Cinnella - Journal of Fluid Mechanics, 2023 - cambridge.org
Boundary layers of Novec649, a low-global-warming potential fluid of interest for low-grade
heat recovery, are investigated numerically by means of linear stability theory, direct …
heat recovery, are investigated numerically by means of linear stability theory, direct …
Asymptotic behaviour at the wall in compressible turbulent channels
A Baranwal, DA Donzis… - Journal of Fluid …, 2022 - cambridge.org
The asymptotic behaviour of Reynolds stresses close to walls is well established in
incompressible flows owing to the constraint imposed by the solenoidal nature of the velocity …
incompressible flows owing to the constraint imposed by the solenoidal nature of the velocity …