Towards robust and accurate Reynolds-averaged closures for natural convection via multi-objective CFD-driven machine learning

X Xu, F Waschkowski, ASH Ooi… - International Journal of …, 2022 - Elsevier
Robust and accurate Reynolds-averaged stresses and scalar fluxes closure models for
natural convection developed by machine learning are presented in this work. In …

[HTML][HTML] Mixing of a cylindrical gravity current in a stratified ambient

WK Lam, L Chan, Y Cao, D Sutherland… - International Journal of …, 2024 - Elsevier
Simulation results from direct numerical simulations (DNSs) of cylindrical gravity currents
propagating into a linearly stratified ambient with stratification strengths ranging from 0 to …

Direct observations of general geothermal convection in deep Mediterranean waters

H van Haren - Ocean Dynamics, 2023 - Springer
Like elsewhere in the deep sea, life in the deep Mediterranean depends on turbulent
exchange across the stable vertical density stratification for supply of nutrients and oxygen …

Multiscaling analysis of buoyancy-driven turbulence in a differentially heated vertical channel

T Wei - Physical Review Fluids, 2019 - APS
This paper investigates the scaling properties of the mean momentum balance (MMB)
equation and the mean thermal energy balance (MHB) equation for buoyancy-driven …

Sensitive temperature probes detail different turbulence processes in the deep Mediterranean

H van Haren - Oceanography, 2023 - JSTOR
In addition to large-scale water flows and eddies, small-scale turbulent mixing distributes
heat, water masses, and suspended matter in the deep sea. In contrast to turbulent mixing …

Turbulence observations using moored temperature sensors in weakly stratified deep West-Mediterranean waters

H van Haren - arxiv preprint arxiv:2209.10949, 2022 - arxiv.org
In the stably stratified ocean, small-scale turbulence is important for vertical exchange and
hence for the mixing of water masses and suspended matter. To observationally study …

Scaling of the production of turbulent kinetic energy and temperature variance in a differentially heated vertical channel

T Wei - Physical Review Fluids, 2019 - APS
This paper investigates the scaling of turbulent kinetic energy (TKE) and temperature
variance production in a differentially heated vertical channel (DHVC). In a DHVC, TKE is …

[PDF][PDF] Incompressible/compressible/hypersonic flow-II

WK Lam, Y Cao, L Chan, D Sutherland, R Manasseh… - iccfd.org
Direct numerical simulations (DNSs) of three-dimensional cylindrical release gravity currents
in a linearly stratified ambient at a Reynolds number of Re= 3450 are presented. The …