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 …

Advances and challenges of the conditional source-term estimation model for turbulent reacting flows

MM Salehi, C Devaud, WK Bushe - Progress in Energy and Combustion …, 2024 - Elsevier
Abstract Conditional Source-term Estimation (CSE) is a turbulence–chemistry interaction
model to simulate reacting flows. This model is similar to the Conditional Moment Closure …

Modeling thermal diffusion flames with fractal dimensions

RA El-Nabulsi, W Anukool - Thermal Science and Engineering Progress, 2023 - Elsevier
In this study, we have discussed the implications of fractal dimensions in flame diffusion
theory based on the notion of non-integer dimensional space for complex fractal media. We …

[HTML][HTML] Flamelet-like models applied in scramjet combustors: A state of art and prospect

T Tao, W Zhenguo, Y Huang, SUN Mingbo… - Chinese Journal of …, 2023 - Elsevier
Developing supersonic combustion models with efficiency, accuracy and practicality is
important foundation to deeply understand the complex combustion processes in scramjet …

Unstrained and strained flamelets for LES of premixed combustion

I Langella, N Swaminathan - Combustion Theory and Modelling, 2016 - Taylor & Francis
The unstrained and strained flamelet closures for filtered reaction rate in large eddy
simulation (LES) of premixed flames are studied. The required sub-grid scale (SGS) PDF in …

A new analytic pdf for simulations of premixed turbulent combustion

M Pfitzner - Flow, Turbulence and Combustion, 2021 - Springer
A new reaction rate source term ω _m (c) ω m (c) for modelling of premixed combustion with
a single progress variable c is proposed. ω _m (c) ω m (c) mimics closely the Arrhenius …

[HTML][HTML] Assessment of a flamelet approach to evaluating mean species mass fractions in moderately and highly turbulent premixed flames

AN Lipatnikov, T Nilsson, R Yu, XS Bai… - Physics of …, 2021 - pubs.aip.org
Complex-chemistry direct numerical simulation (DNS) data obtained from lean methane-air
turbulent flames are analyzed to perform a priori assessment of predictive capabilities of the …

Vapor mixing in turbulent vaporizing flows

LG Martinez, B Duret, J Reveillon… - International Journal of …, 2023 - Elsevier
Scalar mixing and evaporation processes are analyzed in a compressible two-phase
homogeneous and isotropic turbulence configuration. To this end, the fully compressible …

Prediction of mean radical concentrations in lean hydrogen-air turbulent flames at different Karlovitz numbers adopting a newly extended flamelet-based presumed …

AN Lipatnikov, VA Sabelnikov… - Combustion and …, 2021 - Elsevier
A recent analysis (Lipatnikov et al., 2020) of complex-chemistry direct numerical simulation
(DNS) data obtained from lean hydrogen-air flames associated with corrugated-flame (case …

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 …