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 …
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 …
Learning stiff chemical kinetics using extended deep neural operators
We utilize neural operators to learn the solution propagator for challenging systems of
differential equations that are representative of stiff chemical kinetics. Specifically, we apply …
differential equations that are representative of stiff chemical kinetics. Specifically, we apply …
Performance of a rotating detonation rocket engine with various convergent nozzles and chamber lengths
JW Bennewitz, BR Bigler, MC Ross, SA Danczyk… - Energies, 2021 - mdpi.com
A rotating detonation rocket engine (RDRE) with various convergent nozzles and chamber
lengths is investigated. Three hundred hot-fire tests are performed using methane and …
lengths is investigated. Three hundred hot-fire tests are performed using methane and …
Descending modal transition dynamics in a large eddy simulation of a rotating detonation rocket engine
A Batista, MC Ross, C Lietz, WA Hargus Jr - Energies, 2021 - mdpi.com
Rotating detonation rocket engines (RDREs) exhibit various unsteady phenomena,
including modal transitions, that significantly affect their operation, performance and stability …
including modal transitions, that significantly affect their operation, performance and stability …
A systematic approach to high-fidelity modeling and efficient simulation of supercritical fluid mixing and combustion
Advances in fluid-flow modeling and simulation techniques over the past two decades have
improved understanding of the intricate flow physics and combustion dynamics in the …
improved understanding of the intricate flow physics and combustion dynamics in the …
Subgrid scale modeling of the equation of state for turbulent flows under supercritical conditions
Liquid rocket engines (LREs) are traditionally operated in the high pressure, supercritical
regime to produce higher thrust and gain better efficiency, while reducing the size and …
regime to produce higher thrust and gain better efficiency, while reducing the size and …
Flow acceleration in an RDRE with gradual chamber constriction
M Ross, J Burr, Y Desai, A Batista, C Lietz - Shock Waves, 2023 - Springer
Rotating detonation propulsion technologies have the potential to create highly efficient
engines in a small form factor. However, the detonation dynamics and complex flowfields …
engines in a small form factor. However, the detonation dynamics and complex flowfields …
A hybrid flamelet finite-rate chemistry approach for efficient LES with a transported FDF
A hybrid method combining flamelet tabulation with transported filtered density function
(FDF) finite rate chemistry has been developed and applied to large eddy simulation (LES) …
(FDF) finite rate chemistry has been developed and applied to large eddy simulation (LES) …
Comparison of flamelet/progress-variable and finite-rate chemistry LES models in a preconditioning scheme
I. Introduction ue to the increasing combustion-based energy demand and its environmental
concerns, high-fidelity simulation of turbulent combustion becomes highly important. For any …
concerns, high-fidelity simulation of turbulent combustion becomes highly important. For any …