The thickened flame approach for non-premixed combustion: Principles and implications for turbulent combustion modeling

B Cuenot, F Shum-Kivan, S Blanchard - Combustion and Flame, 2022 - Elsevier
Modeling turbulent non-premixed combustion remains a challenge in the context of Large
Eddy Simulation (LES) in complex geometries and for realistic conditions, taking into …

Data-assisted combustion simulations with dynamic submodel assignment using random forests

WT Chung, AA Mishra, N Perakis, M Ihme - Combustion and Flame, 2021 - Elsevier
This investigation outlines a data-assisted approach that employs random forest classifiers
for local and dynamic submodel assignment in turbulent-combustion simulations. This …

Inverse heat transfer method applied to capacitively cooled rocket thrust chambers

N Perakis, OJ Haidn - International Journal of Heat and Mass Transfer, 2019 - Elsevier
Measurements of the heat loads in experimental lab-scale rocket combustors are essential
in order to obtain information about the mixing and energy release of the propellants, the …

Time-resolved flow field and thermal loads in a single-element GOx/GCH4 rocket combustor

J Zips, C Traxinger, M Pfitzner - International Journal of Heat and Mass …, 2019 - Elsevier
Abstract This work presents Large Eddy Simulations of a single-element GOx-GCH 4
combustion chamber at elevated pressure. A robust and efficient flamelet model accounting …

Large Eddy Simulation of Combustion and Heat Transfer in a Single Element GCH4/GOx Rocket Combustor

D Maestro, B Cuenot, L Selle - Flow, Turbulence and Combustion, 2019 - Springer
The single element GCH 4/GOx rocket combustion chamber developed at the Technische
Universität München has been computed using Large Eddy Simulation. The aim of this work …

Heat flux evaluation in a multi-element CH4/O2 rocket combustor using an inverse heat transfer method

N Perakis, J Strauß, OJ Haidn - International Journal of Heat and Mass …, 2019 - Elsevier
Heat load measurements in experimental lab-scale rocket combustors are essential in order
to obtain information about the mixing and energy release of the propellants, the …

[PDF][PDF] CFD-analysis of the effect of a cooling film on flow and heat transfer characteristics in a GCH4/GOX rocket combustion chamber

A Sternin, N Perakis, MP Celano… - Space Propulsion 2018, 2018 - researchgate.net
This work, along with other attempts in the scope of the Transregio SFB/TR-40 program [3],
numerically reconstructs combustion behaviour in a film cooled rocket combustion chamber …

Emission imaging and CFD simulation of a coaxial single-element GOX/GCH4 rocket combustor

FF Winter, N Perakis, OJ Haidn - 2018 Joint Propulsion Conference, 2018 - arc.aiaa.org
M ny papers were published in the past years addressing the merits of methane as a
propellant candidate. In fact, the propellant combination LOX/methane is a good propellant …

Delayed detached eddy simulations with tabulated chemistry for thermal loads predictions

P Breda, M Pfitzner - Journal of Propulsion and Power, 2021 - arc.aiaa.org
The design phase of a rocket combustion chamber relies on the prediction of the wall heat
fluxes, in order to optimize the components to prevent thermal damage. Based on the …

An experimental and modelling study of heat loads on a subscale methane rocket motor

Y Hong, Z Liu, S Silvestri, MP Celano, OJ Haidn, Z Yu - Acta Astronautica, 2019 - Elsevier
Given growing competition in the business space launch market, more researchers are
evaluating the merit of methane as a potential propellant. In this study, a rocket combustion …