Zobrazeno 1 - 10
of 663
pro vyhledávání: '"Gurney flap"'
Autor:
Zhehui Zheng, Liu Chen
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Improving the aerodynamic performance of the airfoil is important for optimising the rotor efficiency of the vertical axis wind turbines. As a simple passive control method, the Gurney flap is widely used to improve the aerodynamic performance of air
Externí odkaz:
https://doaj.org/article/de9486f9a6c54abf85756721944e5eb1
Autor:
Lance W. Traub
Publikováno v:
Aerospace, Vol 11, Iss 9, p 728 (2024)
The effect of spanwise wing non-planarity, employed in conjunction with a Gurney flap, is presented. Testing was undertaken in a low-speed wind tunnel using a rectangular wing with an aspect ratio of three. The outer one-third of the wing was non-pla
Externí odkaz:
https://doaj.org/article/133195fc5a824b70ae7dd8956d0d0431
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 5, Pp 248-259 (2023)
The aim of this study was to investigate the effects of mini Trailing-Edge Devices (mini TEDs) on the aerodynamic characteristics of the RAE 2822 airfoil. Using ANSYS Fluent software, numerical simulations were conducted to analyze the compressible f
Externí odkaz:
https://doaj.org/article/cbad2f80c10b4ffba148d08e348163db
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 7, p 1147 (2024)
The horizontal axis tidal turbine, as a crucial device for capturing tidal energy, has gained significant attention because it has better energy efficiency performance. Enhancing the performance of foils, a vital part of tidal turbine blades, can sig
Externí odkaz:
https://doaj.org/article/281bd080cf0e4e9996931726aa975863
Publikováno v:
Fluids, Vol 9, Iss 7, p 150 (2024)
In this work, a new model of Darrieus wind turbines with an oscillating gurney flap (OGF) is proposed. A detailed 2D computational fluid dynamics (CFD) investigation is carried out using ANSYS-Fluent 22.0 to assess the turbine performance. The OGF ca
Externí odkaz:
https://doaj.org/article/b43c3e4decca48aca00451c005866520
Publikováno v:
Drones, Vol 8, Iss 6, p 265 (2024)
With the rapid industrialization utilizing multi-rotor drones in recent years, an increase in urban flights is expected in the near future. This may potentially result in noise pollution due to the operation of drones. This study investigates the nea
Externí odkaz:
https://doaj.org/article/9a6ec50c8c614f2d84d8961b288d74d5
Autor:
M. Suresh, N. Sitaram
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 15, Iss 1, Pp 255-269 (2022)
The effect of Gurney flap height and mounting position on the head coefficient of a centrifugal fan at different Reynolds numbers is investigated experimentally. Quarter round Gurney flap of 1.0, 1.5, 2.0 and 2.5 mm height is mounted at three differe
Externí odkaz:
https://doaj.org/article/afdef2758e7d449a935914017c54faa3
Publikováno v:
Applied Sciences, Vol 13, Iss 23, p 12643 (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. As a simple and feasible pass
Externí odkaz:
https://doaj.org/article/db0b35be90b34ec09a9141173b64e160
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 11, p 2188 (2023)
Gurney flaps can enhance the hydrodynamic efficiency of airfoils, and they are currently used in several applications, including racing cars and wind turbines. However, there is a lack of studies in the literature on the application of Gurney flaps o
Externí odkaz:
https://doaj.org/article/a38aeda347724f09a25f813e79525325
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