Review of combustion stabilization for hypersonic airbreathing propulsion

Q Liu, D Baccarella, T Lee - Progress in Aerospace Sciences, 2020 - Elsevier
A review of fundamental research in combustion stabilization for hypersonic airbreathing
propulsion is presented. Combustion in high-speed airbreathing propulsion systems …

Wall-modeled large-eddy simulation for complex turbulent flows

ST Bose, GI Park - Annual review of fluid mechanics, 2018 - annualreviews.org
Large-eddy simulation (LES) has proven to be a computationally tractable approach to
simulate unsteady turbulent flows. However, prohibitive resolution requirements induced by …

Supersonic combustion in air-breathing propulsion systems for hypersonic flight

J Urzay - Annual Review of Fluid Mechanics, 2018 - annualreviews.org
Great efforts have been dedicated during the last decades to the research and development
of hypersonic aircrafts that can fly at several times the speed of sound. These aerospace …

Large eddy simulation with modeled wall-stress: recent progress and future directions

J Larsson, S Kawai, J Bodart… - Mechanical Engineering …, 2016 - jstage.jst.go.jp
The paper provides a brief introduction to the near-wall problem of LES and how it can be
solved through modeling of the near-wall turbulence. The distinctions and key differences …

Predictive large-eddy-simulation wall modeling via physics-informed neural networks

XIA Yang, S Zafar, JX Wang, H Xiao - Physical Review Fluids, 2019 - APS
While data-based approaches were found to be useful for subgrid scale (SGS) modeling in
Reynolds-averaged Navier-Stokes (RANS) simulations, there have not been many attempts …

Shock-induced heating and transition to turbulence in a hypersonic boundary layer

L Fu, M Karp, ST Bose, P Moin, J Urzay - Journal of Fluid Mechanics, 2021 - cambridge.org
The interaction between an incident shock wave and a Mach-6 undisturbed hypersonic
laminar boundary layer over a cold wall is addressed using direct numerical simulations …

An entropy-stable hybrid scheme for simulations of transcritical real-fluid flows

PC Ma, Y Lv, M Ihme - Journal of Computational Physics, 2017 - Elsevier
A finite-volume method is developed for simulating the mixing of turbulent flows at
transcritical conditions. Spurious pressure oscillations associated with fully conservative …

Unstart phenomena induced by flow choking in scramjet inlet-isolators

S Im, H Do - Progress in Aerospace Sciences, 2018 - Elsevier
A review of recent research outcomes in downstream flow choking-driven unstart is
presented. Unstart is a flow phenomenon at the inlet that severely reduces the air mass flow …

Exploiting active subspaces to quantify uncertainty in the numerical simulation of the HyShot II scramjet

PG Constantine, M Emory, J Larsson… - Journal of Computational …, 2015 - Elsevier
We present a computational analysis of the reactive flow in a hypersonic scramjet engine
with focus on effects of uncertainties in the operating conditions. We employ a novel …

An improved flamelet/progress variable modeling in a hydrogen-fueled scramjet

T Tang, J Yu, Z Wang, D Yang, M Sun, H Wang… - International Journal of …, 2024 - Elsevier
The compressible nature of the supersonic combustion flow field results in significant
temperature and pressure fluctuations. In the standard Flamelet/Progress Variable (FPV) …