Impact of numerics on the predictive capabilities of reacting flow LES

PAT Cocks, MC Soteriou, V Sankaran - Combustion and Flame, 2015 - Elsevier
Combustors in modern aerospace propulsion systems are highly optimized devices and
further enhancements to their performance will require advanced predictive modeling …

[HTML][HTML] Predicting lean blow-off of bluffbody stabilized flames based on Damköhler number

W Zhonghao, HU Bin, D Aiming, J Zhang… - Chinese Journal of …, 2019 - Elsevier
Abstract Lean Blow-Off (LBO) prediction is important to propulsion system design. In this
paper, a hybrid method combining numerical simulation and Da (Damköhler) model is …

A hybrid semi-empirical model for lean blow-out limit predictions of aero-engine combustors

B Hu, Y Huang, J Xu - Journal of Engineering for …, 2015 - asmedigitalcollection.asme.org
According to the Lefebvre's model and flame volume (FV) concept, an FV model about lean
blow-out (LBO) was proposed by authors in early study. On the other hand, due to the model …

Predicting lean blowout limit of combustors based on semi-empirical correlation and simulation

B Hu, Q Zhao, J Xu - Journal of Propulsion and Power, 2016 - arc.aiaa.org
A method named characteristic curve of flame volume is achieved for lean blowout
predictions on the basis of the improved Lefebvre's model and simulated reacting flows …

Flame volume prediction and validation for lean blow-out of gas turbine combustor

E Ahmed, Y Huang - The Aeronautical Journal, 2017 - cambridge.org
Lean Blow-Out (LBO) limits are critically important in the operation of aero engines.
Previously, Lefebvre's LBO empirical correlation has been extended to the flame volume …

Modeling and simulation of bluff body stabilized turbulent premixed flames

AL Comer, C Huang, BA Rankin… - 54th AIAA Aerospace …, 2016 - arc.aiaa.org
LUFF body stabilized turbulent premixed flames represent a canonical arrangement that has
been examined in depth by a number of experimental and computational studies. Bluff body …

基于V 型槽的空气/煤油燃气发生器火焰稳定方法研究

康忠涛, 李清廉, 张新桥 - 推进技术, 2013 - jpt.tjjsjpt.com
为实现空气/煤油燃气发生器的可靠点火和稳定燃烧, 采用试验与数值仿真相结合的方法对V
槽火焰稳定器应用于燃气发生器时阻塞比和安装位置的选取进行了研究. 发现不同阻塞比的火焰 …

Development and Validation of a Compressible Reacting Gas-Dynamic Flow Solver for Supersonic Combustion

A Gilmanov, P Gokulakrishnan, MS Klassen - Dynamics, 2024 - mdpi.com
An approach based on the OpenFOAM library has been developed to solve a high-speed,
multicomponent mixture of a reacting, compressible flow. This work presents comprehensive …

Towards predicting lean blow-off based on Damköhler number and practical reaction zone

Z Wang, B Hu, Q Zhao, J Xu - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
Lean Blow-off (LBO) is important in gas turbine combustion. In this paper, numerical
simulation and experiment are conducted to develop a new method for LBO prediction of …

LES-PDF modeling of blowout analysis in slit bluff-body stabilized flames

X Liu, H Zheng, J Yang, Y Li - International Journal of Spray …, 2015 - journals.sagepub.com
This work presents a numerical study of a premixed turbulent combustion behind slit bluff-
body by Large Eddy Simulation (LES) and Composition PDF Transport (C-PDF) with …