Effects of injection on flame flashback in supersonic crossflow

G Zhao, J Du, H Yang, T Tang, M Sun - Aerospace Science and …, 2022 - Elsevier
An approach that combines numerical, experimental, and theoretical analyses has been
implemented to investigate the effects of the injection parameters on the flame flashback …

Numerical study of transverse jet mixing and combustion in a high-enthalpy supersonic crossflow with trace gases

T Tang, Z Wang, J Yu, Y Huang, M Sun, H Wang… - Physics of …, 2023 - pubs.aip.org
High-enthalpy gas streams in a real engine or wind tunnel will contain some trace gases;
however, this is often ignored in many studies. To investigate transverse fuel-jet mixing and …

[HTML][HTML] Enhanced fifth order WENO shock-capturing schemes with deep learning

T Kossaczká, M Ehrhardt, M Günther - Results in Applied Mathematics, 2021 - Elsevier
In this paper we enhance the well-known fifth order WENO shock-capturing scheme by
using deep learning techniques. This fine-tuning of an existing algorithm is implemented by …

Numerical investigation of the scale effects of the flame flashback phenomenon in scramjet combustors

G Zhao, J Du, M Liu, H Wang, M Sun - Aerospace Science and Technology, 2021 - Elsevier
The scale effect of flame flashbacks inside an ethylene-fueled scramjet combustor was
investigated through an approach that combines numerical, experimental, and theoretical …

Effect of boundary layer thickness on supersonic combustion in a scramjet combustor

F Li, G Zhao, Y Huang, D Yang, G Ma, Y Li… - Aerospace Science and …, 2023 - Elsevier
In this study, the effect of boundary layer thickness on supersonic combustion in an ethylene-
fueled scramjet combustor under Mach 5.5 flight conditions is studied by employing …

Effects of cavity parameters on flame flashback phenomenon in a supersonic crossflow with a cavity flameholder

T Tang, G Zhao, H Wang, M Sun… - Proceedings of the …, 2023 - journals.sagepub.com
In this paper, the cavity parameters of length-to-depth ratio, aft ramp angle, and nitrogen
throttling positions are numerically studied by a Large Eddy Simulation (LES) combined with …

An efficient low-dissipation hybrid central/WENO scheme for compressible flows

L Li, HB Wang, GY Zhao, MB Sun… - International Journal of …, 2020 - Taylor & Francis
This paper develops a new hybrid finite difference scheme which consists of a nonlinear
WENOCU4 scheme to maintain the numerical stability near discontinuities and a fourth …

Flow structures and combustion regimes in an axisymmetric scramjet combustor with high Reynolds number

T Tang, M Sun, B Yan, Z Wang, J Yu… - Journal of Fluid …, 2024 - cambridge.org
This study investigates the flow structures and combustion regimes in an axisymmetric cavity-
based scramjet combustor with a total temperature of 1800 K and a high Reynolds number …

[PDF][PDF] Mixing and combustion in supersonic/hypersonic flows

W Huang, JT Chang, L Yan - Journal of Zhejiang University …, 2020 - researchgate.net
Under the guidance of the major two-period research program of the National Natural
Science Foundation of China, the hypersonic technique has steadily matured. Further …

An improved alternative weighted essentially non-oscillatory scheme for conservation laws

US Rajput, KM Singh - Progress in Computational Fluid …, 2023 - inderscienceonline.com
In the present study, a fifth-order improved alternative weighted essentially non-oscillatory
scheme has been developed for nonlinear hyperbolic conservation laws. We have proposed …