[HTML][HTML] Recent advances in understanding the flow over bluff bodies with different geometries at moderate Reynolds numbers

MR Lekkala, M Latheef, JH Jung, A Coraddu, H Zhu… - Ocean …, 2022 - Elsevier
The application of unsteady incompressible flow phenomenon over the bluff bodies has
received the attention of many researchers due to the rich and complex physics …

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 …

On the reduction of aerofoil–turbulence interaction noise associated with wavy leading edges

JW Kim, S Haeri, PF Joseph - Journal of Fluid Mechanics, 2016 - cambridge.org
An aerofoil leading-edge profile based on wavy (sinusoidal) protuberances/tubercles is
investigated to understand the mechanisms by which they are able to reduce the noise …

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 …

LES study of unsteady cavitation characteristics of a 3-D hydrofoil with wavy leading edge

MR Pendar, E Esmaeilifar, E Roohi - International Journal of Multiphase …, 2020 - Elsevier
The present study seeks to conduct numerical investigations of the cavitating flow
characteristics around a sinusoidal wavy leading edge (WLE) 3-D hydrofoil underlying a …

An experimental study on flow separation control of hydrofoils with leading-edge tubercles at low Reynolds number

Z Wei, TH New, YD Cui - Ocean Engineering, 2015 - Elsevier
Hydrodynamic characteristics of hydrofoils with leading-edge tubercles were experimentally
investigated in a water tunnel at a Reynolds number of Re= 1.4× 10 4. Particle image …

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 …

CFD analysis of dynamic stall on vertical axis wind turbines using Scale-Adaptive Simulation (SAS): Comparison against URANS and hybrid RANS/LES

A Rezaeiha, H Montazeri, B Blocken - Energy Conversion and …, 2019 - Elsevier
Abstract The Scale-Adaptive Simulation (SAS) approach has emerged as an improved
unsteady Reynolds-Averaged Navier-Stokes (URANS) formulation to bridge the gap …

Influence of leading-edge tubercles on the aerodynamic performance of a horizontal-axis wind turbine: A numerical study

W Ke, I Hashem, W Zhang, B Zhu - Energy, 2022 - Elsevier
Leading-edge tubercles on the humpback whale pectoral fin are known to have
aerodynamic benefits, particularly in the post-stall regime. In this research, a horizontal-axis …

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) …