Lessons from natural flight for aviation: then, now and tomorrow

C Harvey, G de Croon, GK Taylor… - Journal of …, 2023 - journals.biologists.com
Powered flight was once a capability limited only to animals, but by identifying useful
attributes of animal flight and building on these with technological advances, engineers …

Numerical simulation of free surface water waves around wavy hydrofoils: Prediction of hydrodynamic coefficients using machine learning

A Tavakoli, E Roohi… - Journal of Fluids …, 2024 - asmedigitalcollection.asme.org
This study uses computational methods to investigate the fluid flow characteristics around a
wavy NACA 63 (4)-021 hydrofoil near the water surface. It introduces notable contributions …

Optimization of blowing jet performance on wind turbine airfoil under dynamic stall conditions using active machine learning and computational intelligence

S Kasmaiee, M Tadjfar, S Kasmaiee - Arabian Journal for Science and …, 2024 - Springer
The dynamic stall is a common phenomenon in horizontal and vertical axis wind, reducing
system efficiency. In order to enhance the aerodynamic performance (L/D) of a NACA0012 …

[HTML][HTML] Passive control of dynamic stall in a H-Darrieus Vertical Axis Wind Turbine using blade leading-edge protuberances

ANC Gonçalves, JMC Pereira, JMM Sousa - Applied Energy, 2022 - Elsevier
Dynamic stall flow conditions affect the performance of most Vertical Axis Wind Turbine
(VAWT) designs; however, the associated losses are especially relevant in smaller turbines …

Dynamic stall of pitching tubercled wings in vortical wake flowfield

M Zhao, L Xu, X Li, Y Zhao, Z Liu - Physics of Fluids, 2023 - pubs.aip.org
In consideration of the turbulent inflow condition of engineering applications, the flow
mechanisms of dynamic stall of a tubercled airfoil have been comprehensively analyzed …

Numerical investigation of plasma actuator effects on flow control over a three-dimensional airfoil with a sinusoidal leading edge

MR Pendar, JC Páscoa - Journal of Fluids …, 2022 - asmedigitalcollection.asme.org
The impetus of the present bio-inspired work is to investigate the impact of simultaneously
using wavy leading-edge (WLE) airfoils in combination with curved multidielectric barrier …

Effect of discontinuous biomimetic leading-edge protuberances on the performance of vertical axis wind turbines

H Chang, D Li, R Zhang, H Wang, Y He, Z Zuo, S Liu - Applied Energy, 2024 - Elsevier
The clustering distribution of vertical axis wind turbines in limited sea areas is a hot direction
in offshore wind power. This study attempts to use biomimetic protuberances to improve the …

Dimensional analysis of a transverse gust encounter

CM Stutz, JT Hrynuk, DG Bohl - Aerospace Science and Technology, 2023 - Elsevier
A dimensional analysis of transverse gusts was performed using the Buckingham Π theorem
in an effort to standardize their characterization. This analysis identified three key terms that …

Identification of frequency modes and spectral content for noise suppression: Cavitation flow over 3-D hydrofoil with sinusoidal leading edge

MR Pendar, A Alavi, E Roohi - International Journal of Modern …, 2023 - World Scientific
The impetus of this study is to provide an in-depth insight into the unsteady hydrodynamic
characteristics of the cavitating flow, effects of the wavy leading edge (WLE) on the noise …

[HTML][HTML] LES investigation of the wavy leading edge effect on cavitation noise

Z Yang, X Wang, X Zhao, H Cheng, B Ji - Ultrasonics Sonochemistry, 2024 - Elsevier
This paper investigates the noise reduction performance of biomimetic hydrofoils with wavy
leading edge and the corresponding mechanisms. We employ Large Eddy Simulation (LES) …