[HTML][HTML] Microconfined high-pressure transcritical fluid turbulence
Microfluidics technology has grown rapidly over the past decades due to its high surface-to-
volume ratios, flow controllability, and length scales efficiently suited for interacting with …
volume ratios, flow controllability, and length scales efficiently suited for interacting with …
Flow over closely packed cubical roughness
Cube arrays are one of the most extensively studied types of surface roughness, and there
has been much research on cubical roughness with low-to-moderate surface coverage …
has been much research on cubical roughness with low-to-moderate surface coverage …
Turbulence in a heated pipe at supercritical pressure
The purpose of this research is to provide a new understanding of the turbulence dynamics
in a heated flow of fluid at supercritical pressure. A unified explanation has been established …
in a heated flow of fluid at supercritical pressure. A unified explanation has been established …
Structure of the thermal boundary layer in turbulent channel flows at transcritical conditions
Enhanced fluctuations, steep gradients, and intensified heat transfer are characteristics of
wall-bounded turbulence at transcritical conditions. Although such conditions are prevalent …
wall-bounded turbulence at transcritical conditions. Although such conditions are prevalent …
Multiscale flow topologies in microconfined high-pressure transcritical fluid turbulence
G Barea, N Masclans, L Jofre - Physical Review Fluids, 2023 - APS
The topology of multiscale turbulent motions in a high-pressure transcritical channel flow is
studied using direct numerical simulations. In particular, the system analyzed corresponds to …
studied using direct numerical simulations. In particular, the system analyzed corresponds to …
An efficient modeling framework for wall heat flux prediction in rocket combustion chambers using non adiabatic flamelets and wall-functions
In this work an efficient numerical framework for the prediction of wall heat loads in Liquid
Rocket Engine combustion chambers is presented. The proposed framework is based on a …
Rocket Engine combustion chambers is presented. The proposed framework is based on a …
[HTML][HTML] Flow regime analysis of high-pressure transcritical fluids in microducts
C Monteiro, L Jofre - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Microduct flows are known for their inherent laminar regimes resulting from the characteristic
small dimensions and low velocities. In this regard, direct numerical simulations are …
small dimensions and low velocities. In this regard, direct numerical simulations are …
Mean velocity and temperature scaling for near-wall turbulence with heat transfer at supercritical pressure
T Wan, P Zhao, J Liu, C Wang, M Lei - Physics of Fluids, 2020 - pubs.aip.org
Compared with conventional gaseous and liquid fluids, fluids operating at supercritical
pressure undergo drastic variations in thermophysical properties within a small temperature …
pressure undergo drastic variations in thermophysical properties within a small temperature …
Pseudophase change effects in turbulent channel flow under transcritical temperature conditions
We have performed direct numerical simulations of compressible turbulent channel flow
using R-134a as a working fluid in transcritical temperature ranges (is increased …
using R-134a as a working fluid in transcritical temperature ranges (is increased …
Frictional resistance investigation of sCO2 and a semi-empirical friction factor correlation based on wall-of-the-law
Z Wang, Q Guo, Y Wu, Z Wen, Y Liu, D Chen… - International Journal of …, 2023 - Elsevier
The flow resistance characteristics of variable property fluids, particularly supercritical fluids,
such as supercritical CO 2 (sCO 2), play a crucial role in the design, operation control, and …
such as supercritical CO 2 (sCO 2), play a crucial role in the design, operation control, and …