Review of Lagrangian stochastic models for turbulent combustion

T Yang, Y Yin, H Zhou, Z Ren - Acta Mechanica Sinica, 2021 - Springer
Predictive simulation of the combustion process in engine is crucial to understand the
complex underlying physicochemical processes, improve engine performance, and reduce …

Analysis of droplet evaporation in isotropic turbulence through droplet-resolved DNS

MS Dodd, D Mohaddes, A Ferrante, M Ihme - International Journal of Heat …, 2021 - Elsevier
Direct numerical simulations (DNS) of the evaporation of interface-resolved n-heptane fuel
droplets in forced homogeneous isotropic turbulence (HIT) are performed at 10 bar and 348 …

Adversarial sampling of unknown and high-dimensional conditional distributions

M Hassanaly, A Glaws, K Stengel, RN King - Journal of Computational …, 2022 - Elsevier
Many engineering problems require the prediction of realization-to-realization variability or a
refined description of modeled quantities. In that case, it is necessary to sample elements …

A physics-inspired alternative to spatial filtering for large-eddy simulations of turbulent flows

PL Johnson - Journal of Fluid Mechanics, 2022 - cambridge.org
Large-eddy simulations (LES) are widely used for computing high Reynolds number
turbulent flows. Spatial filtering theory for LES is not without its shortcomings, including how …

Stochastic modeling for subgrid-scale particle dispersion in large-eddy simulation of inhomogeneous turbulence

M Knorps, J Pozorski - Physics of Fluids, 2021 - pubs.aip.org
We consider Lagrangian modeling of heavy particle motion in inhomogeneous turbulence.
The dynamics of point particles is one-way coupled to the large-eddy simulation (LES) of …

Assessment of subgrid dispersion models for large-eddy simulations of turbulent jet flows with dilute spray droplets

L Angelilli, PP Ciottoli, F Picano, M Valorani, HG Im - Physics of Fluids, 2022 - pubs.aip.org
High-fidelity simulations for polydispersed sprays in the Eulerian–Lagrangian framework
need to incorporate subgrid-scale effects in the particle evolution equations. Although the …

Physical effects of water droplets interacting with turbulent premixed flames: a direct numerical simulation analysis

J Hasslberger, G Ozel-Erol, N Chakraborty, M Klein… - Combustion and …, 2021 - Elsevier
Three-dimensional carrier-phase Direct Numerical Simulations (DNS), combined with a
Lagrangian representation of individual droplets, have been employed in this parametric …

Assessment of finite-rate chemistry effects in a turbulent dilute ethanol spray flame

Y Yin, T Yang, H Zhou, Z Ren - Journal of Propulsion and Power, 2022 - arc.aiaa.org
Simulations of a benchmark ethanol dilute spray flame are performed with four combustion
models at different levels of closure for turbulence–chemistry interaction (TCI) to provide a …

Stochastic deconvolution of wall statistics in Reynolds‐averaged Navier–Stokes simulations based on one‐dimensional turbulence

C Glawe, M Klein, H Schmidt - PAMM, 2023 - Wiley Online Library
Abstract Reynolds‐averaged Navier–Stokes simulation (RaNS) is state‐of‐the‐art for
numerical analysis of complex flows at high Reynolds number. Standalone RaNS may yield …

Deconvolution of induced spatial discretization filters subgrid modeling in LES: application to two-dimensional turbulence

A Boguslawski, K Wawrzak… - Journal of Physics …, 2021 - iopscience.iop.org
The paper presents a new approximate deconvolution subgrid model for Large Eddy
Simulation in which corrections to implicit filtering due to spatial discretization are integrated …