Effect of acceleration and deceleration of a capsule train running at transonic speed on the flow and heat transfer in the tube

N Jiqiang, S Yang, Y Qiujun, C Xiaoling… - Aerospace Science and …, 2020 - Elsevier
Acceleration and deceleration are required for train operation, and the flow field around the
train shows strong unsteady characteristics during the acceleration and deceleration …

Simulation of supersonic axisymmetric base flow with a data-driven turbulence model

S Heo, Y Yun, M Jeong, S Jee - Aerospace Science and Technology, 2024 - Elsevier
Axisymmetric base flow involves massive flow separation which is challenging for a typical
Reynolds-averaged Navier-Stokes (RANS) turbulence model. Furthermore, a supersonic …

Simulation of shock wave buffet and its suppression on an OAT15A supercritical airfoil by IDDES

JB Huang, ZX Xiao, J Liu, S Fu - Science China Physics, Mechanics and …, 2012 - Springer
In the present paper, extremely unsteady shock wave buffet induced by strong shock
wave/boundary-layer interactions (SWBLI) on the upper surface of an OAT15A supercritical …

Numerical dissipation effects on massive separation around tandem cylinders

Z Xiao, J Liu, J Huang, S Fu - AIAA journal, 2012 - arc.aiaa.org
TURBULENCE dominates the unsteady flows past the civil transporters in the flight stages of
taking off and landing, especially when the landing gears intrude into the air. The flow …

Effect of tracks on the flow and heat transfer of supersonic evacuated tube maglev transportation

X Hu, Z Deng, J Zhang, W Zhang - Journal of Fluids and Structures, 2021 - Elsevier
In this work, the real maglev train and tube are modeled. Considering the narrow
suspension gap, the aerodynamic characteristics in evacuated tube transportation with and …

Turbulence simulations with an improved interior penalty discontinuous Galerkin method and SST k-ω model

M Zhao, T Wei, S Hao, Q Ding, W Liu, X Li, Z Liu - Computers & Fluids, 2023 - Elsevier
The feasibility of high-precision interior penalty discontinuous Galerkin (IPDG) method is still
questionable when SST k-ω model and its compressibility correction are adopted. To this …

Computational fluid dynamics analysis of effect of braking plate configurations on the aerodynamic behaviors of an Ahmed car

F Jiang, J Niu, R Li, Y Wang, Y Zhang - Flow, Turbulence and Combustion, 2023 - Springer
Braking distance, particularly the emergency braking distance at high speed, is essential to
ensuring safety. Aerodynamic drag and negative lift can be effectively increased by setting …

Comparative assessment of SAS and DES turbulence modeling for massively separated flows

W Zheng, C Yan, H Liu, D Luo - Acta Mechanica Sinica, 2016 - Springer
Numerical studies of the flow past a circular cylinder at Reynolds number 1.4 * 10^ 5 1.4× 10
5 and NACA0021 airfoil at the angle of attack 60^ ∘ 60∘ have been carried out by scale …

Propulsive jet influence on generic launcher base flow

S Stephan, J Wu, R Radespiel - CEAS Space Journal, 2015 - Springer
Afterbody flow phenomena represent a significant source of uncertainties in the design of a
launcher. Therefore, there is a demand for measuring such flows in wind tunnels. For …

Improved delayed detached-eddy simulation of massive separation around triple cylinders

ZX Xiao, KY Luo - Acta Mechanica Sinica, 2015 - Springer
The massively separated flow past triple cylinders (TriC) in tandem arrangement is
simulated using the improved delayed detached-eddy simulation (IDDES) method based on …