Modeling and simulation of turbulent nuclear flames in Type Ia supernovae

AG Nouri, P Givi, D Livescu - Progress in Aerospace Sciences, 2019 - Elsevier
A review is conducted of the state of progress in physical modeling and computational
simulations of turbulent flames as pertaining to Type Ia supernovae. The fundamental …

A detonation paradox: Why inviscid detonation simulations predict the incorrect trend for the role of instability in gaseous cellular detonations?

MI Radulescu - Combustion and Flame, 2018 - Elsevier
Experiments conducted over the past several decades have shown that the cellular structure
of detonations is responsible for enhancing the detonability of gaseous detonations in the …

On the role of transverse detonation waves in the re-establishment of attenuated detonations in methane–oxygen

G Floring, M Peswani, B Maxwell - Combustion and Flame, 2023 - Elsevier
This investigation concerns the problem of detonation attenuation in stoichiometric methane-
oxygen and its re-establishment following its interaction with obstacles, using high resolution …

Predictions of flame acceleration, transition to detonation, and detonation propagation using the Chemical-Diffusive Model

X Lu, CR Kaplan, ES Oran - Combustion and Flame, 2022 - Elsevier
This paper presents numerical simulations of the evolution of premixed flames in channels
with obstacles using the Chemical-Diffusive Model (CDM) coupled to a compressible Navier …

Relationship of flame propagation and combustion mode transition of end-gas based on pressure wave in confined space

X Zhang, H Wei, L Zhou, X Cai, R Deiterding - Combustion and Flame, 2020 - Elsevier
The main objective of this work is to identify the end-gas combustion mode transition under
different initial thermodynamic conditions and to focus on the role of pressure waves in …

[HTML][HTML] Computational diagnostics for flame acceleration and transition to detonation in a hydrogen/air mixture

S Lai, S Tang, C Xu, N Sekularac, X Fang - Combustion and Flame, 2023 - Elsevier
A new computational diagnostic method for pressure-induced compressibility is proposed by
projecting its local contribution to the chemical explosive mode (CEM) in the chemical …

A chemical-diffusive model for simulating detonative combustion with constrained detonation cell sizes

X Lu, CR Kaplan, ES Oran - Combustion and Flame, 2021 - Elsevier
This paper presents a way that improves the use of the chemical-diffusive model (CDM) in a
fluid dynamics code to simulate the multidimensional structure of propagating gaseous …

Self-adaptive turbulence eddy simulation of supersonic combustor considering thermal radiation

P Xie, Z Xia, L Lu, X Han - Journal of Thermophysics and Heat Transfer, 2024 - arc.aiaa.org
The newly developed self-adaptive turbulence eddy simulation (SATES) method coupled
with three turbulent combustion models, ie, the finite-rate model, eddy-dissipation model …

Origins of instabilities in turbulent mixing layers behind detonation propagation into reactive–inert gas interfaces

B Maxwell, J Melguizo-Gavilanes - Physics of Fluids, 2022 - pubs.aip.org
Interactions of mildly irregular detonation waves with sharp interfaces separating
combustible mixtures from an inert gas were modeled numerically using the compressible …

Dynamics of cellular flame deformation after a head-on interaction with a shock wave: reactive Richtmyer–Meshkov instability

H Yang, MI Radulescu - Journal of Fluid Mechanics, 2021 - cambridge.org
Shock-flame interactions are fundamental problems in many combustion applications
ranging from flame acceleration to flame control in supersonic propulsion applications. The …