Supercritical and transcritical turbulent injection processes: Consistency of numerical modeling

F Ries, A Sadiki - Atomization and Sprays, 2021 - dl.begellhouse.com
The present paper reviews recent achievements in numerical modeling of super-and
transcritical injection processes during the last 20 years. First, it provides an overview of …

Surface tension effects on cryogenic liquid injection dynamics in supercritical environment

JV Madana Gopal, R Morgan, G de Sercey… - Physics of …, 2023 - pubs.aip.org
The injection of cryogenic fluids into environments where the prevailing conditions are
supercritical in comparison to the critical point of the injected cryogenic fluid is encountered …

Characterization of pseudo-boiling in a transcritical nitrogen jet

PE Lapenna - Physics of Fluids, 2018 - pubs.aip.org
This study is devoted to the investigation, by means of direct numerical simulation, of the
interaction between turbulent motions and the pseudo-boiling process. To this end, fully …

A large-eddy simulation study of the transcritical mixing process in coaxial jet flow under supercritical condition

S Guo, K Chen, E Tsotsas, F Shang, Z Ge, H Jin… - The Journal of …, 2023 - Elsevier
Supercritical water gasification (SCWG) is a promising clean energy technology for utilizing
fossil fuels or organic solid waste with the challenge of delivering and dispersing liquid …

Direct numerical simulation of transcritical jets at moderate reynolds number

PE Lapenna, F Creta - AIAA Journal, 2019 - arc.aiaa.org
This paper presents a direct numerical simulation dataset comprising four transcritical
nitrogen jets characterized by the same Reynolds number and different pressures, ranging …

Contribution to the physical description of supercritical cold flow injection: The case of nitrogen

LB Magalhaes, ARR Silva, JMM Barata - Acta Astronautica, 2022 - Elsevier
While increased pressure and temperature contribute to an overall efficiency gain in the
mixing of propellants and oxidizers, characteristic of conditions in the combustion chambers …

Further results on the mean mass transfer and fluid flow in a turbulent round jet

M Angelino, I Di Venuta, A Boghi, I Petracci… - … Communications in Heat …, 2023 - Elsevier
The present paper reports new numerical results of the mean mass transfer in a turbulent
submerged round jet. A series of Large Eddy Simulations (LES) are presented at four …

Large eddy simulation of water jets under transcritical and supercritical conditions

Y Ren, Z Wu, X Meng, G Ou, J Kou, H Jin… - The Journal of Supercritical …, 2022 - Elsevier
To obtain super/transcritical water jet characteristics, large eddy simulations (LES) are
performed for the process of cool water injection into high-temperature environment under …

Visualization of the flow morphology of submerged jets in subcritical and supercritical water

Y Ren, X Meng, Z Wu, G Ou, H Jin, Z Ge, Q Xu… - The Journal of …, 2021 - Elsevier
Direct observation of flow behaviors is helpful for design of supercritical water reactor, so an
in situ observation platform was built. Water jets under sub-and supercritical conditions (300 …

Computational characterization of the temperature field in coaxial nitrogen injection under supercritical conditions

LB Magalhães, ARR Silva, JMM Barata - Acta Astronautica, 2023 - Elsevier
The modeling of fluids in the supercritical regime is addressed at conditions characteristic of
liquid-propelled rocket engines, whose increasing performance demands paved the way for …