Conjugate heat transfer simulation of a subscale rocket thrust chamber using a timescale based frozen non-adiabatic flamelet combustion model

D Rahn, H Riedmann, O Haidn - AIAA Propulsion and Energy 2019 …, 2019 - arc.aiaa.org
With the goal of supporting the industrial rocket thrust chamber development process,
numerical simulation tools must be able to deliver a high fidelity prediction regarding the …

Turbulent flame-wall interaction of premixed flames using Quadrature-based Moment Methods (QbMM) and tabulated chemistry: An a priori analysis

M Steinhausen, T Zirwes, F Ferraro, S Popp… - International Journal of …, 2022 - Elsevier
Presumed probability density function (PDF) and transported PDF methods are commonly
applied to model the turbulence chemistry interaction in turbulent reacting flows. However …

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 …

[PDF][PDF] Development of a non-adiabatic flamelet model for reacting flows with heat loss

N Perakis, C Roth, OJ Haidn - Space Propulsion Conference, 2018 - researchgate.net
The current work presents the extension of the Flamelet model for turbulent combustion
calculations to account for deviations from adiabatic conditions. The aforementioned …

[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 …

Study and application of wall-roughness models in LES flows

R Olmeda, A Doehring, C Stemmer - International Journal of Heat and Fluid …, 2022 - Elsevier
This paper develops a new treatment of rough walls in turbulent high-enthalpy combustion
chamber environments where the effect of the roughness on the (averaged) temperature …

Influence of a heat-absorbing surface on the propagation of a hemispherical flame

V Golub, A Korobov, A Mikushkin, O Solntsev… - Journal of Loss …, 2018 - Elsevier
Gaseous explosions lead to severe damage. Elimination or mitigation of damage is a key
problem in industrial safety. This paper presents an experimental study of hydrogen–air …

Propagation of a hemispherical flame over a heat-absorbing surface

V Golub, A Korobov, A Mikushkin, V Petukhov… - Proceedings of the …, 2019 - Elsevier
This paper presents an experimental study of hydrogen–air flame front dynamics and
propagation over a heat-absorbing surface. Experimental data on the hemispherical flame …

[HTML][HTML] Non-Premixed Filtered Tabulated Chemistry for LES: Evaluation on Sandia Flames D and E

PJ Obando Vega, A Coussement, A Sadiki, A Parente - Fuels, 2022 - mdpi.com
The non-premixed filtered tabulated chemistry for large eddy simulations employs numerical
filtering to resolve a thin flame front on practical LES numerical grids. The flame structure is …

Lean hydrogen-air premixed flame with heat loss

AI Gavrikov, VV Golub, AY Mikushkin… - International Journal of …, 2019 - Elsevier
In this paper results of large-scale experiments and numerical simulations of premixed lean
hydrogen-air spherical flame propagation with and without high heat losses are presented …