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 …

Nonideal compressible fluid dynamics of dense vapors and supercritical fluids

A Guardone, P Colonna, M Pini… - Annual Review of Fluid …, 2024 - annualreviews.org
The gas dynamics of single-phase nonreacting fluids whose thermodynamic states are close
to vapor-liquid saturation, close to the vapor-liquid critical point, or in supercritical conditions …

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 …

Real-fluid injection modeling and LES simulation of the ECN Spray A injector using a fully compressible two-phase flow approach

S Yang, P Yi, C Habchi - International Journal of Multiphase Flow, 2020 - Elsevier
A fully compressible two-phase flow model consisting of four balance equations including
two mass, one momentum, and one internal energy equation, formulated with the …

Large eddy simulations of reacting and non-reacting transcritical fuel sprays using multiphase thermodynamics

M Fathi, S Hickel, D Roekaerts - Physics of Fluids, 2022 - pubs.aip.org
We present a novel framework for high-fidelity simulations of inert and reacting sprays at
transcritical conditions with highly accurate and computationally efficient models for complex …

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 …

A hybrid pressure‐based solver for nonideal single‐phase fluid flows at all speeds

MV Kraposhin, M Banholzer, M Pfitzner… - … Methods in Fluids, 2018 - Wiley Online Library
This paper describes the implementation of a numerical solver that is capable of simulating
compressible flows of nonideal single‐phase fluids. The proposed method can be applied to …

Thermophysical analysis of microconfined turbulent flow regimes at supercritical fluid conditions in heat transfer applications

M Bernades, L Jofre - Journal of Heat Transfer, 2022 - asmedigitalcollection.asme.org
The technological opportunities enabled by understanding and controlling microscale
systems have not yet been capitalized to disruptively improve energy processes, especially …

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 …