Research on aerodynamic performance of a novel dolphin head-shaped bionic airfoil

S Huang, Y Hu, Y Wang - Energy, 2021 - Elsevier
Based on the special streamline profile of the Phocoenoides dalli head, this paper
innovatively proposes to transform the NACA 0018 airfoil into a novel airfoil whose leading …

Optimization of NACA 4412 augmented with a gurney flap by using grey relational analysis

R Çakıroğlu, HE Tanürün, A Acır, F Üçgül… - Journal of the Brazilian …, 2023 - Springer
The gurney flap which has increased the lift coefficient at the trailing edge is used to improve
the aerodynamic performance of the airfoil. In this study, the effect of the aerodynamic …

[HTML][HTML] A numerical study on the blade–vortex interaction of a two-dimensional Darrieus–Savonius combined vertical axis wind turbine

J Pan, C Ferreira, A van Zuijlen - Physics of Fluids, 2023 - pubs.aip.org
To investigate power losses of a Darrieus–Savonius combined vertical axis wind turbine
(hybrid VAWT) associated with the interaction between blades and wake, it is crucial to …

[HTML][HTML] Experimental and numerical investigations of aerodynamic characteristics for wind turbine airfoil using multi-suction jets

AM Elsayed, MA Khalifa, E Benini, MA Aziz - Energy, 2023 - Elsevier
The present work investigates the effects of multi-suction jets on the NACA 0012 airfoil's
aerodynamic characteristics at Reynolds number Re equal 0.54× 10 5. Experiments and …

Effect of Gurney flap on flow separation and aerodynamic performance of an airfoil under rain and icing conditions

H Fatahian, H Salarian, M Eshagh Nimvari… - Acta Mechanica …, 2020 - Springer
In the present study, special attention is paid to numerically investigate the aerodynamic
performance of the NACA 0012 airfoil under rain and icing conditions with the aim to better …

Improving the aerodynamic performance of wig aircraft with a micro-vortex generator (mvg) in low-speed condition

Z Methal, ASA Talib, MSA Bakar, MRA Rahman… - Aerospace, 2023 - mdpi.com
This present study investigated the potential of passive flow control to reduce induced drag
by using a micro-vortex generator (MVG) at a backward-facing step (BFS) location. A wing-in …

Hybrid suction/blowing actuator to control flow separation on the ramp and energy cost analysis

MJ Pour Razzaghi, SM Rezaei Sani, O Musa… - Physics of …, 2023 - pubs.aip.org
The flow separation control on an adverse-pressure-gradient ramp model is studied using
various flow control strategies. Using a steady turbulent flow, the effects of utilizing an active …

Effects of the hinge position and suction on flow separation and aerodynamic performance of the NACA 0012 airfoil

E Fatahian, A Lohrasbi Nichkoohi, H Salarian… - Journal of the Brazilian …, 2020 - Springer
In the present study, the effect of hinge position (H) has been numerically investigated to find
the appropriate position for improving the aerodynamic performance of the NACA 0012 …

[HTML][HTML] Computational fluid dynamics simulation of aerodynamic performance and flow separation by single element and slatted airfoils under rainfall conditions

H Fatahian, H Salarian, ME Nimvari… - Applied Mathematical …, 2020 - Elsevier
This study investigated the effects of rainfall on flow separation and the aerodynamic
performance of single element and slatted NACA 0012 airfoils by using a mathematical …

Simultaneous effect of suction and cavity for controlling flow separation on NACA 0012 airfoil–CFD approach

E Fatahian, H Fatahıan - Gazi University Journal of Science, 2021 - dergipark.org.tr
In the present research, a Computational Fluid Dynamics (CFD) investigation is carried out
for analyzing the simultaneous effect of suction and cavity for controlling flow separation on …