Results 21 to 30 of about 103,361 (72)
Performance Improvement of Hybrid Vertical Axis Wind Turbines Equipped With J‐Shaped Blades
Energy Science &Engineering, Volume 13, Issue 9, Page 4433-4444, September 2025.This study presents a novel hybrid vertical axis wind turbine, utilizing J‐shaped blades in Darrieus rotor. The proposed configuration shows the potential of J‐shaped blades in improving the overall performance of hybrid rotors. ABSTRACT Vertical axis wind turbines (VAWTs) are emerging as a promising solution for urban wind energy harvesting, owing to ...
Narges Kashani +3 more
wiley +1 more source
International Journal of Energy Research, Volume 2025, Issue 1, 2025.With a view to finding the best approach to maximize the wind energy harvesting from wind turbines, this research has focused towards assessing the effects of different innovative modifications to wind turbines at different wind speed conditions and comparing them in terms of aerodynamic performance, economy, and environmental impact.
Mim Mashrur Ahmed +4 more
wiley +1 more source
Energy Science &Engineering, Volume 12, Issue 10, Page 4371-4393, October 2024.This study utilizes a 3D numerical analysis to examine the influence of different vortices generated on turbine efficiency with straight and J‐type blades. The numerical simulation of this study employs the Reynolds‐averaged Navier–Stokes equations and sliding mesh techniques to model the rotational motion of blades more accurately about the turbine
Ramin Farzadi +2 more
wiley +1 more source
Numerical simulation of Gurney flap on SFYT15thick airfoil [PDF]
, 2016 A two-dimensional steady Reynolds-averaged Navier–Stokes (RANS) equation was solved to investigate the effects of a Gurney flap on SFYT15thick airfoil aerodynamic performance.
Wang, Jinjun +5 more
core +1 more source
International Journal of Energy Research, Volume 2024, Issue 1, 2024.This study provides a numerical investigation about J‐shaped straight‐bladed Darrieus vertical axis wind turbines equipped with outboard, inboard, and two‐sided Gurney flap (GF). The performance of the turbines is examined for different GF heights and tip speed ratios (TSRs).
Kiarash Kord +2 more
wiley +1 more source
Effects of Gurney Flap on Supercritical and Natural Laminar Flow Transonic Aerofoil Performance [PDF]
, 2015 The aerodynamic effect of a novel combination of a Gurney flap and shockbump on RAE2822 supercritical aerofoil and RAE5243 Natural Laminar Flow (NLF) aerofoil is investigated by solving the two-dimensional steady Reynolds-averaged Navier-Stokes (RANS ...
Yu, Ho
core +6 more sources
Aerodynamics and aeroacoustics of flap side-edges [PDF]
, 2008 An experimental and computational investigation was carried out to determine the aerodynamics and aeroacoustics of a flap side-edge. A porous side-edge treatment was applied to the flap side-edge in an attempt to reduce airframe noise. Measurements taken
Angland, David
core +1 more source
Evaluation effect of Gurney flap structure on airfoil aerodynamic characteristics
, 2022 Mühendislik ve Doğa Bilimleri FakültesiBu tez çalışmasında, Gurney flap yapısının kanat aerodinamik karakteristiğine etkisinin incelenmesi gerçekleştirilmiştir.
Kılıç, Cumali
core
Numerical Investigation of an Airfoil with a Gurney Flap [PDF]
, 1998 A two-dimensional numerical investigation was performed to determine the effect of a Gurney flap on a NACA 4412 airfoil. A Gurney flap is a flat plate on the order of 1–3% of the airfoil chord in length, oriented perpendicular to the chord line and ...
Ross, James C. +5 more
core +1 more source
Tail rotor aerodynamic performance improvement with a Gurney flap design [PDF]
, 2014 As per of the effort to increase maximum take-off weight (MTOW) of an indigenous unmanned rotorcraft, increase in tail rotor thrust to compensate resulting higher main rotor torque values is required.
Yücekayali, A. +2 more
core +1 more source