A circulation prediction model for ramp and vortex generator in supersonic flow: A numerical study

Z Wu, M He, B Yu, H Liu - Aerospace Science and Technology, 2022 - Elsevier
The circulation growth of supersonic streamwise vortex (SSV) formed by a ramp is
complicated and essential to estimate scramjet mixing behavior, while a predictive model for …

On the irregular jet formation of shock-accelerated spherical heavy gas bubbles

B Guan, H Yang, H Yang, G Wang - Physics of Fluids, 2022 - pubs.aip.org
The behaviors of shock-accelerated heavy gas bubbles are numerically investigated,
focusing on clarifying the forming mechanisms of the bubble jets in different types. The …

Effects of Reynolds number and Schmidt number on variable density mixing in shock bubble interaction

B Yu, L Li, H Xu, B Zhang, H Liu - Acta Mechanica Sinica, 2022 - Springer
Abstract Effects of Reynolds (Re) number and Schmidt (Sc) number on the flow structures
and variable density mixing are numerically investigated through the canonical shock …

A mean-error-based time-step control method for detonation simulation

B Jia, M Xie, X Zhang, B Zhang - Physics of Fluids, 2024 - pubs.aip.org
To improve the computational efficiency in implicit-explicit (IMEX) algorithms for stiff
detonation problems, the Mean Error Time Control (METC) method is proposed. The core of …

On mixing enhancement by secondary baroclinic vorticity in a shock–bubble interaction

H Liu, B Yu, B Zhang, Y Xiang - Journal of Fluid Mechanics, 2022 - cambridge.org
To investigate the intrinsic mechanism for mixing enhancement by variable-density (VD)
behaviour, a canonical VD mixing extracted from a supersonic streamwise vortex protocol, a …

[HTML][HTML] Mixing mechanisms in the view of mixing indicators: from passive-scalar mixing to variable-density mixing

X Han, B Yu, H Liu - Metascience in Aerospace, 2024 - aimspress.com
Mixing is the basis of stable and efficient combustion in air-breathing power systems, and it
is also an important problem in fluid mechanics, which has been extensively studied from …