Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

Stratified turbulent flames: Recent advances in understanding the influence of mixture inhomogeneities on premixed combustion and modeling challenges

AN Lipatnikov - Progress in Energy and Combustion Science, 2017 - Elsevier
The goals of the present review paper are;(i) to introduce experimental facilities and
numerical tools applied to investigating inhomogeneously premixed flames,(ii) to summarize …

Flame resolved simulation of a turbulent premixed bluff-body burner experiment. Part I: Analysis of the reaction zone dynamics with tabulated chemistry

F Proch, P Domingo, L Vervisch, AM Kempf - Combustion and Flame, 2017 - Elsevier
Results from a highly resolved simulation are presented for a turbulent lean premixed
methane-air bluff-body burner investigated experimentally at Cambridge University and …

Scalar gradient and flame propagation statistics of a flame-resolved laboratory-scale turbulent stratified burner simulation

E Inanc, AM Kempf, N Chakraborty - Combustion and Flame, 2022 - Elsevier
A bluff-body stabilised turbulent jet flame burning in a stratified mode of combustion for fuel-
lean methane/air mixtures is investigated by a flame-resolved simulation. A tabulated …

A near-exact analytic solution of progress variable and pdf for single-step Arrhenius chemistry

M Pfitzner, M Klein - Combustion and Flame, 2021 - Elsevier
A new chemical reaction rate source term in the transport equation of a single progress
variable is proposed and implications for premixed flame modelling are discussed. This …

Mind the gap: Turbulent combustion model validation and future needs

S Hochgreb - Proceedings of the Combustion Institute, 2019 - Elsevier
This overview collects a range of well characterized experiments used in the step-wise
validation of turbulent combustion models, from gas phase non-premixed jet flames to spray …

A generic and self-adapting method for flame detection and thickening in the thickened flame model

B Rochette, E Riber, B Cuenot, O Vermorel - Combustion and Flame, 2020 - Elsevier
A generic and self-adapting method for flame front detection and thickening is presented.
This approach relies solely on geometric considerations and unlike previous thickening …

Evolutionary background-oriented schlieren tomography with self-adaptive parameter heuristics

A Unterberger, K Mohri - Optics Express, 2022 - opg.optica.org
For volumetric reconstruction of the refractive index field in a flow, background-oriented
schlieren (BOS) imaging which measures the deflection of light rays due to refractive index …

Multiscale simulation of the formation of platinum-particles on alumina nanoparticles in a spray flame experiment

P Wollny, S Angel, H Wiggers, AM Kempf, I Wlokas - Fluids, 2020 - mdpi.com
Platinum decorated alumina particles have the potential of being a highly (cost-) effective
catalyst. The particles are synthesized from platinum (II) acetylacetonate dissolved in a …

Extension of the Spectral Difference method to premixed laminar and turbulent combustion

T Marchal, H Deniau, JF Boussuge, B Cuenot… - Flow, Turbulence and …, 2023 - Springer
Abstract A Spectral Difference (SD) algorithm on tensor-product elements which solves the
reacting compressible Navier–Stokes equations is presented. The classical SD algorithm is …