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 …

Control of intrinsic thermoacoustic instabilities using hydrogen fuel

A Ghani, W Polifke - Proceedings of the Combustion Institute, 2021 - Elsevier
This conceptual numerical study explores a possible strategy for control of unstable intrinsic
thermoacoustic (ITA) modes. Control of the ITA feedback loop has not been discussed yet …

Delayed-time domain impedance boundary conditions (D-TDIBC)

Q Douasbin, C Scalo, L Selle, T Poinsot - Journal of Computational Physics, 2018 - Elsevier
Defining acoustically well-posed boundary conditions is one of the major numerical and
theoretical challenges in compressible Navier–Stokes simulations. We present the novel …

Ultra-lean dynamics of holder-stabilized hydrogen-enriched flames in a preheated mesoscale combustor near the laminar critical limit

Z Su, W Yang, J Wan - Physics of Fluids, 2022 - pubs.aip.org
This work experimentally investigates the ultra-lean dynamics of a 40% H 2–60% CH 4
flame near the laminar critical limit in a preheated mesoscale combustor with a flame holder …

Features of lean premixed flame stabilized on a bluff-body with different temperature magnitude

S Cai, W Yang, L Li, J Wan - Combustion and Flame, 2025 - Elsevier
The bluff-body is widely employed to improve the performance of the lean premixed
combustion LPC which has advantages of high efficiency and low pollutant emissions. To …

Insight into the ultra-lean residual flame stabilized on a high-temperature bluff-body

S Cai, W Yang, J Wan - Combustion and Flame, 2025 - Elsevier
The lean premixed combustion LPC can achieve clean combustion of natural gas and
reduce emissions of harmful gases. However, this combustion mode is usually difficult to …

Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame

TL Kaiser, G Öztarlik, L Selle, T Poinsot - Proceedings of the Combustion …, 2019 - Elsevier
This work presents a numerical study of the acoustic response of a laminar flame with
tunable asymmetry. A V-shaped premixed flame is stabilised in the wake of a cylindrical …

Ultra-lean blow-off dynamics of a holder-stabilized premixed flame in a preheated mesoscale combustor near laminar critical condition

J Wan, H Zhao - Energy, 2021 - Elsevier
The present work experimentally illustrates and analyzes the ultra-lean flame blow-off
dynamics near laminar critical condition under the synergistic effect of heat and flow …

[HTML][HTML] Flame stabilization by a highly conductive cylinder: Multiple steady-state solutions and dynamics

A Dejoan, C Jiménez, VN Kurdyumov - Proceedings of the Combustion …, 2024 - Elsevier
This study examines stabilization of a premixed flame by a circular cylinder placed
perpendicularly to the uniform flow of the reacting mixture. It is assumed that the cylinder has …

Flame quenching at walls: A source of sound generation

A Ghani, T Poinsot - Flow, Turbulence and Combustion, 2017 - Springer
This paper presents a numerical study of head on quenching (HOQ)(an extreme case of
flame/wall interactions) as a source of sound generation, which in turn can trigger …