Mimicking the humpback whale: An aerodynamic perspective

SMA Aftab, NA Razak, ASM Rafie, KA Ahmad - Progress in Aerospace …, 2016 - Elsevier
This comprehensive review aims to provide a critical overview of the work on tubercles in the
past decade. The humpback whale is of interest to aerodynamic/hydrodynamic researchers …

Bio-inspired aerodynamic noise control: a bibliographic review

Y Wang, K Zhao, XY Lu, YB Song, GJ Bennett - Applied Sciences, 2019 - mdpi.com
It is well-known that many species of owl have the unique ability to fly silently, which can be
attributed to their distinctive and special feather adaptations. Inspired by the owls …

Performance and mechanism of sinusoidal leading edge serrations for the reduction of turbulence–aerofoil interaction noise

P Chaitanya, P Joseph, S Narayanan… - Journal of Fluid …, 2017 - cambridge.org
This paper presents the results of a detailed experimental investigation into the effectiveness
of sinusoidal leading edge serrations on aerofoils for the reduction of the noise generated by …

The formation mechanism and impact of streamwise vortices on NACA 0021 airfoil's performance with undulating leading edge modification

N Rostamzadeh, KL Hansen, RM Kelso, BB Dally - Physics of Fluids, 2014 - pubs.aip.org
Wings with tubercles have been shown to display advantageous loading behavior at high
attack angles compared to their unmodified counterparts. In an earlier study by the authors, it …

Evolution of the streamwise vortices generated between leading edge tubercles

KL Hansen, N Rostamzadeh, RM Kelso… - Journal of Fluid …, 2016 - cambridge.org
Sinusoidal modifications to the leading edge of a foil, or tubercles, have been shown to
improve aerodynamic performance under certain flow conditions. One of the mechanisms of …

Investigation of the effect of hidden vortex generator-flap integrated mechanism revealed in low velocities on wind turbine blade flow

M Özden, MS Genç, K Koca - Energy Conversion and Management, 2023 - Elsevier
In this study, the flap and vortex generator (VG) mechanisms which were employed
separately in aircraft were used as integrated first in literature. In this mechanism, the flap …

[HTML][HTML] Transient cavitating flow structure and acoustic analysis of a hydrofoil with whalelike wavy leading edge

Z Li, Z Qian, B Ji - Applied Mathematical Modelling, 2020 - Elsevier
In this paper, the open source software OpenFOAM is used to perform a numerical
investigation of the cavitating flow around a modified NACA63 4-021 hydrofoil with …

Aerodynamic performance and wake development of airfoils with wavy leading edges

W Chen, W Qiao, Z Wei - Aerospace Science and Technology, 2020 - Elsevier
A comprehensive numerical investigation is performed to study the aerodynamic
performance and wake development of a NACA0012 airfoil with wavy leading edges (WLE) …

Dynamic mode decomposition analysis of flow characteristics of an airfoil with leading edge protuberances

M Zhao, Y Zhao, Z Liu - Aerospace Science and Technology, 2020 - Elsevier
A numerical investigation of the flow mechanisms and fluctuating aerodynamic
performances of an airfoil with leading-edge protuberances is presented within post-stall …

Aerodynamics of vertical-axis wind turbine with boundary layer suction–Effects of suction momentum

J Sun, X Sun, D Huang - Energy, 2020 - Elsevier
Vertical axis wind turbine (VAWT) has become a research hotspot because of its structural
advantages and omni-direction capability. While a further performance improvement is …