Transcritical diffuse-interface hydrodynamics of propellants in high-pressure combustors of chemical propulsion systems

L Jofre, J Urzay - Progress in Energy and Combustion Science, 2021 - Elsevier
Rocket engines and high-power new generations of gas-turbine jet engines and diesel
engines oftentimes involve the injection of one or more reactants at subcritical temperatures …

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 …

Large-eddy simulation of nitrogen injection at trans-and supercritical conditions

H Müller, CA Niedermeier, J Matheis, M Pfitzner… - Physics of …, 2016 - pubs.aip.org
Large-eddy simulations (LESs) of cryogenic nitrogen injection into a warm environment at
supercritical pressure are performed and real-gas thermodynamics models and subgrid …

Large-eddy simulation of oxygen/methane flames under transcritical conditions

T Schmitt, Y Méry, M Boileau, S Candel - Proceedings of the Combustion …, 2011 - Elsevier
Large-Eddy Simulation of transcritical combustion is considered in this article. This analysis
is motivated by rocket propulsion applications where cryogenic oxygen is injected at low …

A multicomponent real-fluid fully compressible four-equation model for two-phase flow with phase change

P Yi, S Yang, C Habchi, R Lugo - Physics of Fluids, 2019 - pubs.aip.org
ABSTRACT A fully compressible four-equation model for multicomponent two-phase flow
coupled with a real-fluid phase equilibrium-solver is suggested. It is composed of two mass …

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 …

The absence of a dense potential core in supercritical injection: A thermal break-up mechanism

DT Banuti, K Hannemann - Physics of Fluids, 2016 - pubs.aip.org
Certain experiments in quasi-isobaric supercritical injection remain unexplained by the
current state of theory: Without developing a constant value potential core as expected from …

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 …

Numerical benchmark for high-Reynolds-number supercritical flows with large density gradients

AM Ruiz, G Lacaze, JC Oefelein, R Mari, B Cuenot… - Aiaa Journal, 2016 - arc.aiaa.org
Because of the extreme complexity of physical phenomena at high pressure, only limited
data are available for solver validation at device-relevant conditions such as liquid rocket …

Numerical study of cryogenic liquid nitrogen jets at supercritical pressures

T Kim, Y Kim, SK Kim - The Journal of Supercritical Fluids, 2011 - Elsevier
This paper discusses numerical modeling of the mixing and flow processes of cryogenic
liquids that are encountered in liquid propellant rocket engines. In the present approach …