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 …

Large Eddy Simulation of rich ammonia/hydrogen/air combustion in a gas turbine burner

K Bioche, L Bricteux, A Bertolino, A Parente… - International Journal of …, 2021 - Elsevier
Ammonia and hydrogen are promoted as potential energy carriers for centralized energy
restitution. This article investigates ammonia/hydrogen/air premixed turbulent combustion …

Large-eddy simulation of the lean-premixed preccinsta burner with wall heat loss

P Bénard, G Lartigue, V Moureau, R Mercier - Proceedings of the …, 2019 - Elsevier
Swirl burners are widely used in aeronautical engines and industrial gas turbines. These
burners enhance the flame stabilization by bringing back hot products to the reactive zone …

A computationally-efficient, semi-implicit, iterative method for the time-integration of reacting flows with stiff chemistry

B Savard, Y Xuan, B Bobbitt, G Blanquart - Journal of Computational …, 2015 - Elsevier
A semi-implicit preconditioned iterative method is proposed for the time-integration of the stiff
chemistry in simulations of unsteady reacting flows, such as turbulent flames, using detailed …

Direct numerical simulation of lean hydrogen/air auto-ignition in a constant volume enclosure

R Yu, XS Bai - Combustion and flame, 2013 - Elsevier
This paper reports on two-dimensional (2D) and three-dimensional (3D) direct numerical
simulations (DNSs) of the auto-ignition process of a lean H2/air mixture with temperature …

A fully coupled, fully implicit simulation method for unsteady flames using Jacobian approximation and clustering

Q Xie, Y Liu, M Yao, H Zhou, Z Ren - Combustion and Flame, 2022 - Elsevier
Jacobian clustering is proposed to reduce the computational cost associated with matrix
operations encountered in the Newton iteration in fully coupled, fully implicit schemes for …

Direct numerical simulation of lean premixed CH4/air and H2/air flames at high Karlovitz numbers

H Carlsson, R Yu, XS Bai - International journal of hydrogen energy, 2014 - Elsevier
Three-dimensional direct numerical simulation with detailed chemical kinetics of lean
premixed CH 4/air and H 2/air flames at high Karlovitz numbers (Ka∼ 1800) is carried out. It …

A conservative, thermodynamically consistent numerical approach for low Mach number combustion. Part I: Single-level integration

A Nonaka, MS Day, JB Bell - Combustion Theory and Modelling, 2018 - Taylor & Francis
We present a numerical approach for low Mach number combustion that conserves both
mass and energy while remaining on the equation of state to a desired tolerance. We …

Flame structure analysis for categorization of lean premixed CH4/air and H2/air flames at high Karlovitz numbers: Direct numerical simulation studies

H Carlsson, R Yu, XS Bai - Proceedings of the Combustion Institute, 2015 - Elsevier
This paper presents direct numerical simulation studies of lean CH 4/air and H 2/air flames
at high Karlovitz numbers utilizing detailed chemical kinetic mechanisms. Identical Karlovitz …

Fractal flame structure due to the hydrodynamic Darrieus-Landau instability

R Yu, XS Bai, V Bychkov - Physical Review E, 2015 - APS
By using large scale numerical simulations, we obtain fractal structure, which develops at
originally planar flame fronts due to the hydrodynamic Darrieus-Landau (DL) instability …