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 …

Effects of leading edge slat on the aerodynamic performance of low Reynolds number horizontal axis wind turbine

A Zaki, MA Abdelrahman, SS Ayad, OE Abdellatif - Energy, 2022 - Elsevier
The present study considers the use of a slat near the leading edge of an airfoil to delay or
completely cancel separation and thus improves the performance of small wind turbines, in …

Structure and dynamics of a laminar separation bubble near a wingtip

CE Top**s, S Yarusevych - Journal of Fluid Mechanics, 2021 - cambridge.org
The three-dimensional flow topology of a laminar separation bubble forming on the suction
surface of a semispan wing with an aspect ratio of. In the inboard region of the wing, 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 …

[PDF][PDF] Contemporary frame of measurement and assessment of wind-tunnel flow quality in a low-speed facility

G Ocokoljić, D Damljanović, Đ Vuković… - FME …, 2018 - researchgate.net
The requirements for the accuracy of measurements in a wind tunnel test become more and
more severe while the complexity of the test increases. In an environment of reduced time …

Aerodynamic characteristics and surface flow structures of moderate aspect-ratio leading-edge tubercled wings

Z Wei, JWA Toh, IH Ibrahim, Y Zhang - European Journal of Mechanics-B …, 2019 - Elsevier
Aerodynamic performance for NACA634-021 wings with different leading-edge (LE) tubercle
configurations was tested under both finite-and infinite-wing conditions, and the general …

Jump stabilization and landing control by wing-spreading of a locust-inspired jumper

A Beck, V Zaitsev, UB Hanan, G Kosa… - Bioinspiration & …, 2017 - iopscience.iop.org
Bio-inspired robotics is a promising design strategy for mobile robots. Jum** is an energy
efficient locomotion gait for traversing difficult terrain. Inspired by the jum** and flying …

[PDF][PDF] Comparison of the aerodynamic characteristics of the NACA0012 airfoil at low-to-moderate Reynolds numbers for any aspect ratio

S Martínez-Aranda, AL García-González… - … Journal of Aerospace …, 2016 - fluidmal.uma.es
This experimental work deals with the influence of the angle of attack (AoA) and the chord
based Reynolds number (Rec) on the lift and drag coefficients for a low-aspect-ratio …

Analysis of aerodynamic characteristics of propeller systems based on Martian atmospheric environment

W Zhang, B Xu, H Zhang, C **ang, W Fan, Z Zhao - drones, 2023 - mdpi.com
Compared to detection methods employed by Mars rovers and orbiters, the employment of
Mars UAVs presents clear advantages. However, the unique atmospheric conditions on …

Swallow-tailed separation bubble on a low-aspect-ratio trapezoidal plate: effects of near-wall spanwise flow

Y Zhu, J Wang, Y Xu, Y Qu, Y Long - Journal of Fluid Mechanics, 2023 - cambridge.org
Swallow-tailed separation bubble on a low-aspect-ratio trapezoidal plate: effects of near-wall
spanwise flow Page 1 J. Fluid Mech. (2023), vol. 965, A12, doi:10.1017/jfm.2023.399 …