[HTML][HTML] Reducing the aerodynamic drag of high-speed trains by air blowing from the nose part: Effect of blowing speed

ZW Chen, GZ Zeng, YQ Ni, TH Liu, JQ Niu… - Journal of Wind …, 2023 - Elsevier
To reduce the aerodynamic drag of high-speed trains, this work proposes an air blowing
configuration on the head and tail cars of high-speed trains. The variation in the …

Assessment of LES, IDDES and RANS approaches for prediction of wakes behind notchback road vehicles

K He, G Minelli, J Wang, G Gao, S Krajnović - Journal of Wind Engineering …, 2021 - Elsevier
Abstract The capability of Large Eddy Simulations (LES), Improved Delayed Detached Eddy
Simulations (IDDES) and Reynolds-Averaged Navier–Stokes Equations (RANS) to predict …

Numerical investigation of the wake bi-stability behind a notchback Ahmed body

K He, G Minelli, J Wang, T Dong, G Gao… - Journal of Fluid …, 2021 - cambridge.org
Large-eddy simulations are used to investigate the origin of the wake asymmetry and
symmetry behind notchback Ahmed bodies. Two different effective backlight angles,, are …

Upstream actuation for bluff-body wake control driven by a genetically inspired optimization

G Minelli, T Dong, BR Noack… - Journal of fluid mechanics, 2020 - cambridge.org
The control of bluff-body wakes for reduced drag and enhanced stability has traditionally
relied on the so-called direct-wake control approach. By the use of actuators or passive …

Comparison of PANS and LES of the flow past a generic ship

J Zhang, G Minelli, AN Rao, B Basara, R Bensow… - Ocean …, 2018 - Elsevier
The prediction of flow past a generic ship has been performed using partially-averaged
Navier–Stokes (PANS) turbulence model. The Reynolds number based on the width of the …

[HTML][HTML] Aerodynamic efficiency improvement on a NACA-8412 airfoil via active flow control implementation

N Couto, JM Bergada - Applied Sciences, 2022 - mdpi.com
The present paper introduces a parametric optimization of several Active Flow Control (AFC)
parameters applied to a NACA-8412 airfoil at a single post-stall Angle of Attack (AoA) of 15∘ …

Yaw effect on bi-stable air-wakes of a generic ship using large eddy simulation

J Zhang, G Minelli, B Basara, R Bensow, S Krajnović - Ocean Engineering, 2021 - Elsevier
An LES (large eddy simulation) investigation at R e= 8× 1 0 4 has been conducted to predict
the flow past a simplified frigate shape model at yaw, of which the stern is analogous to a …

Validation of PANS and effects of ground and wheel motion on the aerodynamic behaviours of a square-back van

J Wang, G Minelli, G Cafiero, G Iuso, K He… - Journal of Fluid …, 2023 - cambridge.org
This paper presents a numerical investigation of the effects of the moving ground and
rotating wheels on the turbulent flow around a 1/10 scaled square-back van model. A …

Plasma streamwise vortex generators for flow separation control on trucks: a proof-of-concept experiment

JA Vernet, R Örlü, D Söderblom, P Elofsson… - Flow, turbulence and …, 2018 - Springer
An experimental study of the effect of Dielectric Barrier Discharge plasma actuators on the
flow separation on the A-pillar of a modern truck under cross-wind conditions has been …

An LES investigation of the near-wake flow topology of a simplified heavy vehicle

AN Rao, J Zhang, G Minelli, B Basara… - Flow, Turbulence and …, 2019 - Springer
Recent experimental investigations by McArthur et al.(J. Fluids Struct. 66, 293–314, 2016) in
the wake of a simplified heavy vehicle or commonly known as the ground transportation …