Multiscale modeling and general theory of non-equilibrium plasma-assisted ignition and combustion
A self-consistent framework for modeling and simulations of plasma-assisted ignition and
combustion is established. In this framework, a'frozen electric field'modeling approach is …
combustion is established. In this framework, a'frozen electric field'modeling approach is …
Modeling of the effects of non-equilibrium excitation and electrode geometry on H2/air ignition in a nanosecond plasma discharge
This work presents the results of two-dimensional modeling of the effects of non-equilibrium
excitation and electrode geometry on H 2/air ignition in a nanosecond plasma discharge. A …
excitation and electrode geometry on H 2/air ignition in a nanosecond plasma discharge. A …
Acceleration of turbulent combustion DNS via principal component transport
We investigate the implementation of principal component (PC) transport to accelerate the
direct numerical simulation (DNS) of turbulent combustion flows. The acceleration is …
direct numerical simulation (DNS) of turbulent combustion flows. The acceleration is …
Structures and propagation speeds of autoignition-assisted premixed n-heptane/air cool and warm flames at elevated temperatures and pressures
The laminar flame speeds and structures of near-limit autoignition-assisted cool and warm n-
heptane/air flames at different ignition Damkӧhler numbers which are the ratios between …
heptane/air flames at different ignition Damkӧhler numbers which are the ratios between …
A data-based hybrid model for complex fuel chemistry acceleration at high temperatures
S Alqahtani, T Echekki - Combustion and Flame, 2021 - Elsevier
During their high-temperature oxidation, complex hydrocarbons and their early fragments
are short-lived and figure prominently only during the pyrolysis stage. However, they are …
are short-lived and figure prominently only during the pyrolysis stage. However, they are …
Development and use of machine-learnt algebraic Reynolds stress models for enhanced prediction of wake mixing in low-pressure turbines
HD Akolekar, J Weatheritt… - Journal of …, 2019 - asmedigitalcollection.asme.org
Nonlinear turbulence closures were developed that improve the prediction accuracy of wake
mixing in low-pressure turbine (LPT) flows. First, Reynolds-averaged Navier–Stokes (RANS) …
mixing in low-pressure turbine (LPT) flows. First, Reynolds-averaged Navier–Stokes (RANS) …
Studies of the dynamics of autoignition assisted outwardly propagating spherical cool and double flames under shock-tube conditions
The initiation, propagation, and transition of the autoignition assisted spherical cool flame
and double flame are studied numerically and experimentally using n-heptane/air/He …
and double flame are studied numerically and experimentally using n-heptane/air/He …
[PDF][PDF] Machine learning for combustion chemistry
Abstract Machine learning provides a set of new tools for the analysis, reduction and
acceleration of combustion chemistry. The implementation of such tools is not new …
acceleration of combustion chemistry. The implementation of such tools is not new …
[HTML][HTML] A novel diffusion flux modeling for laminar premixed flame simulation with OpenFOAM
P Kamma, C Suvanjumrat - Results in Engineering, 2023 - Elsevier
In this study, we developed a mass diffusion coefficient model for premixed combustion to
reduce the computational time, in mixture-averaged diffusivities to serve as a microcomputer …
reduce the computational time, in mixture-averaged diffusivities to serve as a microcomputer …