Heat Transfer and Combustion Simulation of Seven-Element / Rocket Combustor

N Perakis, D Rahn, OJ Haidn… - Journal of Propulsion and …, 2019 - arc.aiaa.org
In the present Paper, the simulation of the flow inside an experimental GOX/GCH 4 rocket
thrust chamber is undertaken. The combustor's injector consists of seven individual coaxial …

[HTML][HTML] Effects of injection recess in methane turbulent combustion for space propulsion

D Martinez-Sanchis, A Sternin, O Haidn, A Jocher - Physics of Fluids, 2024 - pubs.aip.org
Direct numerical simulations (DNS) are conducted to analyze the effect of recess in the
mixing and combustion performance of gaseous methane—oxygen injection systems. The …

Investigation of CO recombination in the boundary layer of CH4/O2 rocket engines

N Perakis, OJ Haidn, M Ihme - Proceedings of the Combustion Institute, 2021 - Elsevier
In this work, the combustion and thermal recombination in the boundary layer of a single-
element methane/oxygen rocket combustor is investigated using large-eddy simulations …

Wall heat transfer prediction in CH4/O2 and H2/O2 rocket thrust chambers using a non-adiabatic flamelet model

N Perakis, OJ Haidn - Acta Astronautica, 2020 - Elsevier
The current work presents the extension of the flamelet model for turbulent combustion
calculations to account for deviations from adiabatic conditions. The aforementioned …

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 …

A detailed modelling on spray atomisation and combustion of LOX/GCH4 in variable area pintle injector rocket engines

K Radhakrishnan, K Lee, J Koo - Combustion Theory and …, 2021 - Taylor & Francis
The spray combustion of LOX/GCH4 in the pintle injector is simulated to study the
combustion characteristics at a subcritical condition by considering the effects of pintle …

Non-adiabatic flamelet modeling for the numerical simulation of methane combustion in rocket thrust chambers

D Rahn, H Riedmann, R Behr, OJ Haidn - 2018 Joint Propulsion …, 2018 - arc.aiaa.org
Targeting the numerical simulation of rocket thrust chamber applications with cooled wall
structures, this research work presents a concept to extend the standard flamelet combustion …

[HTML][HTML] Flamelet generated manifold simulation of highly swirling spray combustion: Adoption of a mixed homogeneous reactor and inclusion of liquid-flame heat …

AV Lopes, N Emekwuru, E Abtahizadeh - AIP Advances, 2022 - pubs.aip.org
We undertake the modeling of the combustion of highly swirling fuel sprays using the
Flamelet-Generated-Manifold (FGM) combustion-chemistry-reduction technique, especially …

[PDF][PDF] Generation of non-adiabatic flamelet manifolds: comparison of two approaches applied on a single-element GCH4/GO2 combustion chamber

P Breda, M Pfitzner, N Perakis, O Haidn - 8th European Conference for …, 2019 - eucass.eu
This work aims to compare two non-adiabatic flamelet combustion models for the simulation
of a subscale single-injector GCH4/GO2 combustion chamber in rocket-like operative …

[PDF][PDF] Extension of a non-adiabatic flamelet combustion model for composition predictions in thermal boundary layers

D Rahn, H Riedmann, O Haidn - 8th European Conference for …, 2019 - researchgate.net
The fluid species composition plays a vital role in the wall heat transfer prediction and can
be significantly impacted by non-adiabatic effects in the vicinity of cooled wall structures …