Advances and challenges in modeling high-speed turbulent combustion in propulsion systems

ED Gonzalez-Juez, AR Kerstein, R Ranjan… - Progress in Energy and …, 2017 - Elsevier
Combustion environments in propulsion systems involve the interaction of a variety of
physics. In devices such as augmentors, ramjets and scramjets, such environments include …

Influence of turbulent fluctuations on detonation propagation

BMN Maxwell, RR Bhattacharjee… - Journal of Fluid …, 2017 - cambridge.org
The present study addresses the reaction zone structure and burning mechanism of
unstable detonations. Experiments investigated mainly two-dimensional methane–oxygen …

Modelling of the transition of a turbulent shock-flame complex to detonation using the linear eddy model

B Maxwell, A Pekalski, M Radulescu - Combustion and Flame, 2018 - Elsevier
In the current study, the influence of turbulent mixing and local reaction rates on the
transition to detonation of a turbulent shock-flame complex was investigated using a state-of …

Turbulent combustion modelling of fast-flames and detonations using compressible LEM-LES

BMN Maxwell - 2016 - ruor.uottawa.ca
A novel approach to modelling highly compressible and reactive flows is formulated to
provide high resolution closure of turbulent-scale reaction rates in the presence of very rapid …

Assessing the Multi-Regime Capability of the Super-Grid Linear Eddy Model (SG-LEM) Using the Darmstadt Multi-Regime Burner

A Menon, A Kerstein, M Oevermann - Flow, Turbulence and Combustion, 2024 - Springer
Recent advances in combustion modelling for Large Eddy Simulation (LES) have
increasingly utilised lower-dimensional manifolds, such as Flamelet Generated Manifolds …

The Influence of Boundary Conditions on Three-Dimensional Large Eddy Simulations of Calorically Perfect Gas Detonations

B Maxwell, WH Wang - Flow, Turbulence and Combustion, 2023 - Springer
In this work, we revisit the application of the compressible linear eddy model for large eddy
simulation (CLEM-LES) of calorically perfect gas detonations in an attempt to clarify if the …

A methodology to predict shock overpressure decay in a tunnel produced by a premixed methane/air explosion

Q Zhang, B Qin, H Yan, DC Lin - Journal of Loss Prevention in the Process …, 2016 - Elsevier
A methodology for estimating the blast wave overpressure decay in air produced by a gas
explosion in a closed-ended tunnel is proposed based on numerical simulations. The …

A strategy for large-scale scalar advection in large eddy simulations that use the linear eddy sub-grid mixing model

S Arshad, B Kong, A Kerstein… - International Journal of …, 2018 - emerald.com
Purpose The purpose of this numerical work is to present and test a new approach for large-
scale scalar advection (splicing) in large eddy simulations (LES) that use the linear eddy sub …

[HTML][HTML] 与爆轰相关的湍流燃烧

归明月, 张镭潆, 崔皓, 张辉 - 空气动力学学报, 2019 - html.rhhz.net
爆轰具有较高的燃烧效率, 当应用于推进系统时, 有较宽广的前景, 故引起国内外学者广泛的关注
. 与爆轰有关的两个重要现象是——爆轰的生成和传播. 爆轰的生成分为直接起爆和间接起爆 …

Subgrid reaction-diffusion closure for large eddy simulations using the linear-eddy model

S Arshad, E Gonzalez-Juez, A Dasgupta… - Flow, Turbulence and …, 2019 - Springer
Turbulent combustion models approximate the interaction between turbulence, molecular
transport and chemical reactions. Among the many available turbulent combustion models …