Results 41 to 50 of about 89,370 (155)
Unsteady effects in flows past stationary airfoils with Gurney flaps due to unsteady flow separations at low Reynolds numbers [PDF]
INCAS Bulletin, 2015 This paper presents the analysis of the unsteady flows past stationary airfoils equipped with Gurney flaps at low Reynolds numbers, aiming to study the unsteady behavior of the aerodynamic coefficients due to the flow separations occurring at these ...
Dan MATEESCU
doaj +1 more source
Family Relations, Volume 74, Issue 4, Page 1616-1634, October 2025.ABSTRACT Objective To investigate the relationship between parental self‐efficacy and parent–child relationships in families including children with autism and to identify the potential family‐based moderators. Background More families in China are being affected by autism.
Wing‐Chee So +4 more
wiley +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
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
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
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A New Add‐On Flap for Performance Improvement of Small Horizontal Axis Wind Turbines
Energy Science &Engineering, Volume 13, Issue 8, Page 4230-4240, August 2025.ABSTRACT In the present study, two types of add‐on flaps tangential to the camber line of small horizontal axis wind turbine blade are introduced and their performances on the production power are investigated. The wind turbine of Berlin University (TU‐BERT) is used as the base turbine and the flaps' length, angle, and their locations on the blade are ...
Nima Alizadeh, Alireza Jahangirian
wiley +1 more source
Pengaruh Penambahan Gurney Flap pada Airfoil NACA 0015 [PDF]
, 2023 Airfoil merupakan suatu geometri yang sangat populer digunakan pada sayap pesawat terbang, sehingga menjadikan penelitian mengenai airfoil sangat populer di kalangan peneliti dibidang aerodinamika untuk meningkatkan nilai koefisien angkat.
Gustiani, Desi +3 more
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Journal of Marine Science and EngineeringAs wind energy development continues to expand toward nearshore and deep-sea regions, enhancing the aerodynamic efficiency of vertical axis wind turbines (VAWTs) in complex marine environments has become a critical challenge. To address this, a composite
Huahao Ou +6 more
doaj +1 more source
Energy Science &Engineering, Volume 13, Issue 6, Page 3171-3184, June 2025.This study introduces an innovative dual‐row vertical axis wind turbine with hybrid blades, integrating J‐shaped and conventional blades to enhance overall performance. Using computational fluid dynamics simulations and Taguchi optimization, the turbine achieved a power coefficient of 0.52 under optimal conditions, significantly outperforming ...
H. Mirzaeian +2 more
wiley +1 more source
Navier-stokes analysis of airfoils with Gurney flap [PDF]
, 2006 Two dimensional steady state Navier-Stokes computations were performed to determine the effect of Gurney flap on NACA 4412 and NACA 0011 airfoils. Gurney flap sizes selected for the study range from 0.5% to 4% of the airfoil chord.
Dhanalakshmi, K +2 more
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