Combustion machine learning: Principles, progress and prospects
Progress in combustion science and engineering has led to the generation of large amounts
of data from large-scale simulations, high-resolution experiments, and sensors. This corpus …
of data from large-scale simulations, high-resolution experiments, and sensors. This corpus …
Premixed flames subjected to extreme turbulence: Some questions and recent answers
It has been predicted that several changes will occur when premixed flames are subjected to
the extreme levels of turbulence that can be found in practical combustors. This paper is a …
the extreme levels of turbulence that can be found in practical combustors. This paper is a …
Structure and dynamics of highly turbulent premixed combustion
Turbulent premixed combustion involves simultaneous and mutually interacting fluid,
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …
On the statistics of flame stretch in turbulent premixed jet flames in the thin reaction zone regime at varying Reynolds number
Abstract Direct Numerical Simulations (DNS) are conducted to study the statistics of flame
surface stretch in turbulent jet premixed flames. Emphasis is placed on the rates of surface …
surface stretch in turbulent jet premixed flames. Emphasis is placed on the rates of surface …
Structure of strongly turbulent premixed n-dodecane–air flames: Direct numerical simulations and chemical explosive mode analysis
Abstract Structure of strongly turbulent premixed n-dodecane/air flames with high Karlovitz
numbers (Ka) is studied based on three-dimensional (3D) direct numerical simulation (DNS) …
numbers (Ka) is studied based on three-dimensional (3D) direct numerical simulation (DNS) …
Detonation initiation by compressible turbulence thermodynamic fluctuations
Abstract Theory and computations have established that thermodynamic gradients created
by hot spots in reactive gas mixtures can lead to spontaneous detonation initiation …
by hot spots in reactive gas mixtures can lead to spontaneous detonation initiation …
Evolution of local flame displacement speeds in turbulence
HL Dave, S Chaudhuri - Journal of Fluid Mechanics, 2020 - cambridge.org
In this study, we assess the veracity of models for density-weighted local flame displacement
speed of turbulent premixed flames. It will be shown that a combination of two models, one …
speed of turbulent premixed flames. It will be shown that a combination of two models, one …
Genesis and evolution of premixed flames in turbulence
HL Dave, A Mohan, S Chaudhuri - Combustion and Flame, 2018 - Elsevier
Flames interacting with turbulence are continuously generated and annihilated by stretching
and folding processes over a range of length-scales and time-scales. In this paper, we …
and folding processes over a range of length-scales and time-scales. In this paper, we …
The influence of large eddies on the structure of turbulent premixed flames characterized with stereo-PIV and multi-species PLIF at 20 kHz
Interactions between turbulent structures (eddies) and premixed flame fronts were
characterized with simultaneous CH 2 O-/OH-PLIF and stereo-PIV at high framing rate (20 …
characterized with simultaneous CH 2 O-/OH-PLIF and stereo-PIV at high framing rate (20 …
Pressure-gradient tailoring effects on the turbulent flame-vortex dynamics of bluff-body premixed flames
MK Geikie, KA Ahmed - Combustion and Flame, 2018 - Elsevier
This paper explores the effects of pressure-gradient tailoring on the turbulent flame and
vorticity generation mechanisms of premixed flames. A turbulent premixed flame stabilized …
vorticity generation mechanisms of premixed flames. A turbulent premixed flame stabilized …