[HTML][HTML] Thermodynamics-informed neural network for recovering supercritical fluid thermophysical information from turbulent velocity data

N Masclans, F Vázquez-Novoa, M Bernades… - International Journal of …, 2023 - Elsevier
Recent research has highlighted the potential of supercritical fluids under high-pressure
transcritical conditions to achieve microconfined turbulence as a result of the thermophysical …

Extreme vorticity events in turbulent Rayleigh-Bénard convection from stereoscopic measurements and reservoir computing

V Valori, R Kräuter, J Schumacher - Physical Review Research, 2022 - APS
High-amplitude events of the out-of-plane vorticity component ω z are analyzed by
stereoscopic particle image velocimetry (PIV) in the bulk region of turbulent Rayleigh …

Effects of buoyancy and thermophysical property variations on the flow of supercritical carbon dioxide

J He, J Yan, W Wang, P Jiang, S He - … Journal of Heat and Fluid Flow, 2020 - Elsevier
The flow and heat transfer behaviours of fluids at supercritical pressure have been studied
using direct numerical simulations (DNS), in which one or more thermal properties are …

Turbulent Rayleigh-Bénard convection under strong non-Oberbeck-Boussinesq conditions

H Yik, V Valori, S Weiss - Physical Review Fluids, 2020 - APS
We report on Rayleigh-Bénard convection with strongly varying fluid properties
experimentally and theoretically. Using pressurized sulfur-hexafluoride (SF 6) above its …

Non-Boussinesq low-Prandtl-number convection with a temperature-dependent thermal diffusivity

A Pandey, J Schumacher… - The Astrophysical …, 2021 - iopscience.iop.org
In an attempt to understand the role of the strong radial dependence of thermal diffusivity on
the properties of convection in Sun-like stars, we mimic that effect in non-Oberbeck …

Direct velocity measurements in high-temperature non-ideal vapor flows

S Gallarini, F Cozzi, A Spinelli, A Guardone - Experiments in Fluids, 2021 - Springer
Direct velocity measurements in a non-ideal expanding flow of a high temperature organic
vapor were performed for the first time using the laser Doppler velocimetry technique. To this …

The SCALEX facility–an apparatus for scaled fluid dynamical experiments

M Sharifi Ghazijahani, C Kästner, V Valori… - tm-Technisches …, 2023 - degruyter.com
The working conditions of the Scaled Convective Airflow Laboratory Experiment (SCALEX)
at Technische Universität Ilmenau and sample experiments are reported. The SCALEX …

Online measurement of mean residence time of supercritical-pressure fluid with/without chemical reaction in pipe flow: A particle image statistics method considering …

Y Wang, Y Cheng, M Li, P Jiang, Y Zhu - Chemical Engineering Science, 2022 - Elsevier
This paper proposed a nonintrusive, in-situ experimental method for visualizing and
measuring the mean residence time (MRT) of supercritical-pressure pipe flow with/without …

Temperature field of non-Oberbeck–Boussinesq Rayleigh–Bénard convection in a low aspect ratio cell

S Kashanj, DS Nobes - Physics of Fluids, 2024 - pubs.aip.org
A time-resolved experimental investigation was undertaken on the temperature evolution of
Rayleigh–Bénard convection (RBC) in a slender convection cell with aspect ratio of Γ= 0.1⁠ …

Assessment of particle image velocimetry applied to high-speed organic vapor flows

T Michelis, AJ Head, M Majer, P Colonna… - Experiments in …, 2024 - Springer
Compressible flows of fluids whose thermophysical properties are related by complex
equations are quantitatively and can be qualitatively different from high-speed flows of ideal …