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 …
Influence of thermal expansion on fluid dynamics of turbulent premixed combustion and its modelling implications
N Chakraborty - Flow, Turbulence and Combustion, 2021 - Springer
The purpose of this paper is to demonstrate the effects of thermal expansion, as a result of
heat release arising from exothermic chemical reactions, on the underlying turbulent fluid …
heat release arising from exothermic chemical reactions, on the underlying turbulent fluid …
Parallel tensor compression for large-scale scientific data
As parallel computing trends towards the exascale, scientific data produced by high-fidelity
simulations are growing increasingly massive. For instance, a simulation on a three …
simulations are growing increasingly massive. For instance, a simulation on a three …
TuckerMPI: A parallel C++/MPI software package for large-scale data compression via the Tucker tensor decomposition
Our goal is compression of massive-scale grid-structured data, such as the multi-terabyte
output of a high-fidelity computational simulation. For such data sets, we have developed a …
output of a high-fidelity computational simulation. For such data sets, we have developed a …
Multilevel techniques for compression and reduction of scientific data-quantitative control of accuracy in derived quantities
Although many compression algorithms are focused on preserving pointwise values of the
data, application scientists are generally more concerned with derived quantities. Equally …
data, application scientists are generally more concerned with derived quantities. Equally …
Flame-and flow-conditioned vorticity transport in premixed swirl combustion
A Kazbekov, AM Steinberg - Proceedings of the Combustion Institute, 2021 - Elsevier
This paper presents an experimental analysis of flame-induced enstrophy transport in
premixed swirl combustion at Karlovitz numbers between 20 and 50. Such flames possess a …
premixed swirl combustion at Karlovitz numbers between 20 and 50. Such flames possess a …
Physical space analysis of cross-scale turbulent kinetic energy transfer in premixed swirl flames
A Kazbekov, AM Steinberg - Combustion and Flame, 2021 - Elsevier
Understanding the cross-scale kinetic energy transport in turbulent flames is critical for
physically-accurate modeling. This paper presents an experimental analysis of cross-scale …
physically-accurate modeling. This paper presents an experimental analysis of cross-scale …
Study of a flame kernel evolution in a turbulent mixing layer using LES with a laminar chemistry model
A Wawrzak, A Tyliszczak - Flow, Turbulence and Combustion, 2020 - Springer
Temporal evolution of an ignition kernel in a spark ignited turbulent hydrogen–air mixing
layer is studied using the large eddy simulation approach with an implicit treatment of the …
layer is studied using the large eddy simulation approach with an implicit treatment of the …
Production and transport of turbulent kinetic energy from premixed flames subjected to mean pressure gradients
AJ Morales, MK Geikie, KA Ahmed - Experimental Thermal and Fluid …, 2023 - Elsevier
The influence of mean favorable pressure gradients on the production and transport of
turbulent kinetic energy is experimentally investigated in a premixed bluff-body combustor …
turbulent kinetic energy is experimentally investigated in a premixed bluff-body combustor …
Parallel Randomized Tucker Decomposition Algorithms
The Tucker tensor decomposition is a natural extension of the singular value decomposition
(SVD) to multiway data. We propose to accelerate Tucker tensor decomposition algorithms …
(SVD) to multiway data. We propose to accelerate Tucker tensor decomposition algorithms …