Mean flow data assimilation based on physics-informed neural networks
Physics-informed neural networks (PINNs) can be used to solve partial differential equations
(PDEs) and identify hidden variables by incorporating the governing equations into neural …
(PDEs) and identify hidden variables by incorporating the governing equations into neural …
Dynamics of premixed hydrogen/air flames in unsteady flow
Fully resolved numerical simulations with finite rate chemical reactions and detailed
molecular diffusion have been conducted for a series of laminar premixed hydrogen–air …
molecular diffusion have been conducted for a series of laminar premixed hydrogen–air …
Resolvent-based modelling of coherent structures in a turbulent jet flame using a passive flame approach
Motivated by the recent success in finding coherent structures in turbulent flows and
describing their noise emission using the Resolvent Analysis (RA), the method is applied to …
describing their noise emission using the Resolvent Analysis (RA), the method is applied to …
Modelling the response of a turbulent jet flame to acoustic forcing in a linearized framework using an active flame approach
This study performs a linear mean field analysis of a turbulent reacting methane-air jet flame,
with the goal of predicting the response of the reacting flow to upstream acoustic actuation …
with the goal of predicting the response of the reacting flow to upstream acoustic actuation …
Measurement and simulation of combustion noise and dynamics of a confined swirl flame
The combustion noise produced by a confined, turbulent, premixed swirl burner is predicted
with large-eddy simulation of compressible, reacting flow. Characteristics-based state-space …
with large-eddy simulation of compressible, reacting flow. Characteristics-based state-space …
Sound generation by turbulent premixed flames
This paper presents a numerical study of the sound generated by turbulent, premixed
flames. Direct numerical simulations (DNS) of two round jet flames with equivalence ratios of …
flames. Direct numerical simulations (DNS) of two round jet flames with equivalence ratios of …
The impact of chemical modelling on turbulent premixed flame acoustics
Direct numerical simulations are used to study the impact of chemical modelling on the
flame dynamics and the sound generated by three-dimensional, turbulent, premixed …
flame dynamics and the sound generated by three-dimensional, turbulent, premixed …
Combustion‐Generated Noise: An Environment‐Related Issue for Future Combustion Systems
A first‐order estimation of the prediction of combustion‐generated noise from turbulent
premixed flames was explored. The method was based on Lighthill's acoustic analogy and …
premixed flames was explored. The method was based on Lighthill's acoustic analogy and …
Noise sources of lean premixed flames
K Pausch, S Herff, F Zhang, H Bockhorn… - Flow, Turbulence and …, 2019 - Springer
The thermoacoustic sound generation mechanisms of lean premixed laminar and turbulent
flames are investigated by a two-step approach. First, the conservation equations of a …
flames are investigated by a two-step approach. First, the conservation equations of a …
Implementation of an efficient synthetic inflow turbulence-generator in the open-source code OpenFOAM for 3D LES/DNS applications
A new inflow boundary condition (BC) has been implemented into the open-source CFD
code OpenFOAM, which generates synthetic turbulent fluctuations at the inlet boundary for …
code OpenFOAM, which generates synthetic turbulent fluctuations at the inlet boundary for …