Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

Effect of different turbulent lubrication models on the lubrication characteristics of water-lubricated rubber bearings at a high Reynolds number

Y Du, J Lan, H Quan, C Sun, X Liu, X Yang - Physics of Fluids, 2021 - pubs.aip.org
To study the lubrication characteristics of water-lubricated rubber bearings under high-
Reynolds-number operating conditions, four different turbulent lubrication mathematical …

Numerical analysis of turbulence effect for coupled journal-thrust water-lubricated bearing with micro grooves

T Yang, J Cai, L Wang, D Tang… - Journal of …, 2023 - asmedigitalcollection.asme.org
The purpose of this study is to assess the role of turbulence on the lubrication performances
of coupled journal-thrust water-lubricated bearing with micro grooves using a numerical …

Effects of fluctuations in concentration on detonation propagation

Y Zhou, X Zhang, L Zhong, R Deiterding, L Zhou… - Physics of …, 2022 - pubs.aip.org
The authors examine the effects of inhomogeneity in the equivalence ratio on detonation
propagation by using a set of two-dimensional numerical simulations of the detailed reaction …

Heat transfer characteristics of H2/air rotating detonation combustor

Y Qiu, Y Wu, Y Huang, Q Li, C Weng - Physics of Fluids, 2024 - pubs.aip.org
The heat release process in a rotating detonation combustor (RDC) exhibits highly transient
characteristics, posing significant demands on the thermal protection and management of …

Characterization of a turbulent flow with independent variation of Mach and Reynolds numbers

N Manzano-Miura, D Gloutak, GP Bewley - Experiments in Fluids, 2022 - Springer
The variable density and speed of sound vessel produces subsonic turbulent flows that are
compressible and in which turbulent fluctuations can be resolved at all scales with existing …

Supersonic combustion heat flux in a rotating detonation engine

F Ladeinde, HJ Oh, S Jacobs - Acta Astronautica, 2023 - Elsevier
Five components of heat flux, viz: conduction, qcond ″, sensible mass diffusion, qdiff ″(s),
formation mass diffusion, qdiff ″(o), sensible convection, qconv ″(s), and formation …

Experimental observation on the end-gas autoignition and detonation affected by chemical reactivity in confined space

L Zhong, L Zhou, P Liu, X Zhang, K Li, R Chen… - Physics of …, 2022 - pubs.aip.org
The deflagration-to-detonation transition remains one of the most interesting and mysterious
physical phenomena in the combustion of energetic materials, which contains substantial …

Improved Heat and Mass Transfer Analysis in Supersonic Combustion of the Rotating Detonation Engine

F Ladeinde, H Oh - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
Similarities in the results for two-dimensional (2D) and three-dimensional (3D) numerical
models for the rotating detonation engine were reported previously by the present authors …

Comparison of 2D and 3D Supersonic Combustion Simulation Results in a Rotating Detonation Engine

F Ladeinde, H Oh - AIAA AVIATION 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4387. vid This paper pertains to the
comparative assessment of 2D and 3D aerothermodynamic models of the rotating …