An entropy-stable hybrid scheme for simulations of transcritical real-fluid flows

PC Ma, Y Lv, M Ihme - Journal of Computational Physics, 2017 - Elsevier
A finite-volume method is developed for simulating the mixing of turbulent flows at
transcritical conditions. Spurious pressure oscillations associated with fully conservative …

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 …

Chemical modeling for methane oxy-combustion in liquid rocket engines

S Blanchard, Q Cazères, B Cuenot - Acta Astronautica, 2022 - Elsevier
Methane–oxygen burning is considered for many future rocket engines for practicality and
cost reasons. As this combustion is slower than hydrogen–oxygen, flame ignition and …

Mixing under transcritical conditions: An a-priori study using direct numerical simulation

PE Lapenna, F Creta - The Journal of Supercritical Fluids, 2017 - Elsevier
In this study we investigate mixing under transcritical conditions by means of direct
numerical simulation. A temporal jet configuration is used together with thermodynamic …

On the numerical behavior of diffuse-interface methods for transcritical real-fluids simulations

PC Ma, H Wu, DT Banuti, M Ihme - International Journal of Multiphase Flow, 2019 - Elsevier
Accurate and robust simulations of transcritical real-fluid flows are crucial for many
engineering applications. Diffuse-interface methods are frequently employed and several …

Large-eddy simulations of the mascotte test cases operating at supercritical pressure

T Schmitt - Flow, Turbulence and Combustion, 2020 - Springer
Liquid rocket, Diesel or aircraft engines may operate in the transcritical regime. In such
thermodynamic conditions, the classical phase change that occurs at subcritical pressure …

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 …

Numerical analysis of turbulent flow dynamics and heat transport in a round jet at supercritical conditions

F Ries, P Obando, I Shevchuck, J Janicka… - International Journal of …, 2017 - Elsevier
Using a direct numerical simulation (DNS), a round jet of cryogenic nitrogen, which mimics
the experiment by Mayer et. al.(2003) in terms of geometry, thermodynamics, and …

Comparison of energy-, pressure-and enthalpy-based approaches for modeling supercritical flows

G Lacaze, T Schmitt, A Ruiz, JC Oefelein - Computers & Fluids, 2019 - Elsevier
At supercritical conditions, thermodynamics may become strongly nonlinear which is
reflected by large thermodynamic Jacobian values. This means that small variations in …