Results 31 to 40 of about 189,153 (303)
Novel Approach to Leading-Edge Vortex Suppression [PDF]
AIAA Journal, 2020 A novel approach to reduce the peak lift and pitching moment on a plunging airfoil is investigated through force, moment, and velocity measurements.
Bull, S. +3 more
openaire +1 more source
Aerodynamic improvement of a delta wing in combination with leading edge flaps
Theoretical and Applied Mechanics Letters, 2017 Recently, various studies of micro air vehicle (MAV) and unmanned air vehicle (UAV) have been reported from wide range points of view. The aim of this study is to research the aerodynamic improvement of delta wing in low Reynold’s number region to ...
Tadateru Ishide, Mao Itazawa
doaj +1 more source
Leading-Edge Roughness Affecting Diamond-Wing Aerodynamic Characteristics
Aerospace, 2018 Diamond wing configurations for low signature vehicles have been studied in recent years. Yet, despite numerous research on highly swept, sharp edged wings, little research on aerodynamics of semi-slender wings with blunt leading-edges exists. This paper
Andrei Buzica +3 more
doaj +1 more source
Prandtl–Batchelor flow past a flat plate with a forward-facing flap [PDF]
, 1984 Two-dimensional steady inviscid flow past an inclined flat plate with a forward-facing flap attached to the rear edge is considered for the case when a vortex sheet separates from the leading edge of the flat plate and reattaches at the leading edge of ...
Saffman, P. G., Tanveer, S.
core +1 more source
Leading-Edge Vortex Characteristics of Low-Aspect-Ratio Sweptback Plates at Low Reynolds Number
Applied Sciences, 2021 A sweptback angle can directly regulate a leading-edge vortex on various aerodynamic devices as well as on the wings of biological flyers, but the effect of a sweptback angle has not yet been sufficiently investigated.
Jong-Seob Han, Christian Breitsamter
doaj +1 more source
Hovering hummingbird wing aerodynamics during the annual cycle. I. Complete wing [PDF]
Royal Society Open Science, 2017 The diverse hummingbird family (Trochilidae) has unique adaptations for nectarivory, among which is the ability to sustain hover-feeding. As hummingbirds mainly feed while hovering, it is crucial to maintain this ability throughout the annual cycle ...
Yonathan Achache +2 more
doaj +1 more source
Applied Sciences, 2022 Semi-open centrifugal pumps are widely used in various fields. However, the tip leakage vortex (TLV) has a malign effect on the impeller flow field.
Bing Qian +5 more
doaj +1 more source
Sectional Leading Edge Vortex Lift and Drag Coefficients of Autorotating Samaras
Aerospace, 2023 Autorotating samaras such as Sycamore seeds are capable of descending at exceptionally slow speeds and the secret behind this characteristic is attributed to a flow mechanism known as the leading edge vortex (LEV).
Byung Kwon Jung, Djamel Rezgui
doaj +1 more source
Effect of Wavy Leading Edges on Airfoil Trailing-Edge Bluntness Noise
Aerospace, 2023 Among the several noise-generation mechanisms of airfoil self-noise, trailing-edge bluntness noise is an important noise source, which is caused by the vortex shedding at blunt trailing edges.
Yudi Xing +4 more
doaj +1 more source
Effect of the leading-edge vortex generator on the performance of the linear cascade
The Physics of FluidsIn this paper, based on the airflow improvement mechanism of dragonfly wing veins, a vortex generator is designed at the leading edge of the suction surface to improve the flow condition of compressor cascades.
Wenfeng Xu +4 more
semanticscholar +1 more source