Results 21 to 30 of about 89,370 (155)

Aerodynamic effects of Gurney flaps on the rotor blades of a research wind turbine [PDF]

open access: yesWind Energy Science, 2020
This paper investigates the aerodynamic impact of Gurney flaps on a research wind turbine of the Hermann-Föttinger Institute at the Technische Universität Berlin. The rotor radius is 1.5 m, and the blade configurations consist of the clean and the
J. Alber   +9 more
doaj   +1 more source

Simulazione fluidodinamica di profili alari in moto di beccheggio armonico dotati di Gurney flap mobili [PDF]

open access: yes, 2022
In questa tesi è stata implementata un'analisi CFD inerente lo studio di Gurney flap attivi applicati ad un profilo transonico RAE2822 oscillante. Le simulazioni, condotte in Fluent, sono state basate su una griglia di calcolo a C, la cui oscillazione ...
Marchetto, Federico
core  

Aerodynamic Enhancement of Vertical-Axis Wind Turbines Using Plain and Serrated Gurney Flaps

open access: yesApplied Sciences, 2023
In light of the escalating demand for renewable energy sources, vertical-axis wind turbines have emerged as a pivotal technical solution for addressing the challenge of clean energy supply in residential and urban areas.
Liu Chen   +3 more
doaj   +1 more source

Theoretical performances of double Gurney Flap equipped the VAWTs [PDF]

open access: yesINCAS Bulletin, 2012
A Gurney flap is simply a flat plate attached perpendicularly to the lower surface of an airfoil or wing trailing edge. A T-strip or double Gurney flap is attached to both the upper and lower surfaces.
Horia DUMITRESCU   +2 more
doaj   +1 more source

Effects of Gurney Flap on Supercritical and Natural Laminar Flow Transonic Aerofoil Performance [PDF]

open access: yes, 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   +7 more sources

Power performance enhancement of vertical axis wind turbines by a novel gurney flap design [PDF]

open access: yes, 2022
Purpose Nowadays flaps and winglets are one of the main mechanisms to increase airfoil efficiency. This study aims to investigate the power performance of vertical axis wind turbines (VAWT) that are equipped with diverse gurney flaps.
Tahani, M., Masdari, M., Mousavi, M.
core   +1 more source

Aerodynamic Performance Enhancement of NACA4418 Airfoil Involving Gurney Flap-passive Flow Jet Control:A Computational Fluid Dynamic Analysis [PDF]

open access: yesJournal of Applied Fluid Mechanics
The objective of the present study is to enhance the aerodynamic performance of the NACA 4418 airfoil equipped with a Gurney flap. To achieve this improvement, a novel technique employs the new pressure distribution caused by the Gurney flap to generate ...
H. Ouchene   +3 more
doaj   +1 more source

Numerical simulation of Gurney flap on SFYT15thick airfoil [PDF]

open access: yes, 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

Numerical investigation of aerodynamic characteristics of naca 23112 using passive flow control technique – gurney flaps

open access: yesCogent Engineering, 2023
Since its inception in the early 1970s by Daniel Gurney, the Gurney flaps have proven to be an effective means of enhancing the aerodynamic performance of an airfoil.
Vandan Chinnappa,   Srinivas G
doaj   +1 more source

Study on the impact of Gurney flap parameters on rotor performance improvement

open access: yesHangkong gongcheng jinzhan
At present, most of the research on installing Gurney flaps is focused on two-dimensional airfoils. The three-dimensional blade model is established to investigate the influence of different Gurney flap parameters on rotor aerodynamic performance ...
LIU Shaoteng   +3 more
doaj   +1 more source

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