Bioinspired artificial hair sensors for flight-by-feel of unmanned aerial vehicles: a review

AC Hollenbeck, R Grandhi, JH Hansen, AM Pankonien - AIAA Journal, 2023 - arc.aiaa.org
Flight-by-feel is an emerging approach to flight control that uses distributed arrays of
pressure, strain, and flow sensors to guide aircraft. Among these, hair-type flow sensors …

On the formation of three-dimensional separated flows over wings under tip effects

K Zhang, S Hayostek, M Amitay, W He… - Journal of Fluid …, 2020 - cambridge.org
We perform direct numerical simulations of flows over unswept finite-aspect-ratio NACA
0015 wings at), the tip effects retard the near-tip shedding process, which desynchronizes …

Control of afterbody vortices from a slanted-base cylinder using sweeping jets

X Chen, S Zhong, O Ozer, A Weightman - Physics of Fluids, 2022 - pubs.aip.org
In this paper, a sweeping jet is applied to control the afterbody vortices behind a slanted-
base cylinder for the first time at Reynolds numbers from 87 000 to 200 000. The control …

Dynamics of cavitating tip vortex

Q Ye, Y Wang, X Shao - Journal of Fluid Mechanics, 2023 - cambridge.org
The three-dimensional dynamic behaviour of a tip vortex generated by a NACA-415
hydrofoil is investigated under wetted flow and cavitating conditions using time-resolved …

Vortical flow characteristics of a slender delta wing in ground effect

MO Tasci, S Tumse, B Sahin - Ocean Engineering, 2022 - Elsevier
This study examined the ground effect on the vortical flow structures over a 70-deg-swept
slender delta wing qualitatively and quantitatively using dye flow visualization and Particle …

[HTML][HTML] Experiment on jet–vortex interaction for variable mutual spacing

T Bölle, V Brion, M Couliou, P Molton - Physics of Fluids, 2023 - pubs.aip.org
The interaction of a line vortex with a collinearly aligned jet is a prototypical configuration for
various important applications in aeronautics. The purpose of this study is to analyze the …

Laminar post-stall wakes of tapered swept wings

JHM Ribeiro, J Neal, A Burtsev, M Amitay… - Journal of Fluid …, 2023 - cambridge.org
While tapered swept wings are widely used, the influence of taper on their post-stall wake
characteristics remains largely unexplored. To address this issue, we conduct an extensive …

Investigation of vertical tail buffeting alleviation controlled by nanosecond plasma actuators

S Chen, Z Shi, Z Zhao, X Geng, Z Chen - Physics of Fluids, 2021 - pubs.aip.org
An experimental study was conducted with the aim of alleviating the vertical tail buffeting of a
55 delta wing using pulsed nanosecond dielectric barrier discharge plasma actuators. The …

Self-learned suppression of roll oscillations based on model-free reinforcement learning

Y Dong, Z Shi, K Chen, Z Yao - Aerospace Science and Technology, 2021 - Elsevier
The high-angle-of-attack uncommanded roll oscillations are dangerous and cause
significant challenges in flight control. This paper focuses on investigating the feasibility and …

Control of upswept afterbody vortices using continuous and pulsed blowing

R Jackson, Z Wang, I Gursul - Journal of Aircraft, 2020 - arc.aiaa.org
An experimental study was performed in a water tunnel to evaluate the effects of continuous
and pulsed blowing jets on the counter-rotating vortices generated by the afterbody of a …