Results 21 to 30 of about 150,010 (213)

Structure design of variable camber wing trailing edge based on multi-block rotating mechanism

open access: yesXibei Gongye Daxue Xuebao, 2023
The variable camber trailing edge enables the aircraft to maintain the best aerodynamic performance throughout the flight envelope, so as to achieve the ultimate goal of reducing aircraft fuel consumption and air pollutant emissions.
SHI Xintong   +4 more
doaj   +1 more source

Effects of non-uniform permeability on vortex shedding and noise control of blunt trailing edge

open access: yesAIP Advances, 2019
In this paper, the characteristics of the vortex shedding and noise of the blunt trailing edge with different porous permeable segment are studied by numerical simulation.
Hanru Liu, Nanshu Chen, Zhijie Hu
doaj   +1 more source

Effect of Wavy Leading Edges on Airfoil Trailing-Edge Bluntness Noise

open access: yesAerospace, 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

Identification of Flap Motion Parameters for Vibration Reduction in Helicopter Rotors with Multiple Active Trailing Edge Flaps

open access: yesShock and Vibration, 2011
An active control method utilizing the multiple trailing edge flap configuration for rotorcraft vibration suppression and blade loads control is presented.
Uğbreve;ur Dalli   +1 more
doaj   +1 more source

Adjoint-based optimization of flapping plates hinged with a trailing-edge flap

open access: yesTheoretical and Applied Mechanics Letters, 2015
It is important to understand the impact of wing-morphing on aerodynamic performance in the study of flapping-wing flight of birds and insects. We use a flapping plate hinged with a trailing-edge flap as a simplified model for flexible/morphing wings in ...
Min Xu   +3 more
doaj   +1 more source

The influence of axial-flow fan trailing edge structure on internal flow

open access: yesAdvances in Mechanical Engineering, 2018
Axial-flow fan with advantages such as large air volume, high head pressure, and low noise is commonly used in the work of air-conditioner outdoor unit.
Weijie Zhang   +4 more
doaj   +1 more source

Numerical Study on Effect of Lower Edge Plate Hole on Flow and Heat Transfer of Internal Cooling Passage in Trailing Edge of Turbine Blades

open access: yesHangkong gongcheng jinzhan, 2020
The air outlet hole of lower edge plate of turbine blade can influence the flow and heat transfer performance. The numerical simulation method is used to study the effect of air outlet hole of lower edge plate on the flow and heat transfer performance in
ZHENG Guanghua   +4 more
doaj   +1 more source

Effects of Trailing Edge Deflections Driven by Shape Memory Alloy Actuators on the Transonic Aerodynamic Characteristics of a Super Critical Airfoil

open access: yesActuators, 2021
A smart structure to actuate a morphing trailing edge based on the super critical airfoil NASA sc-0714(2) was designed and verified in a transonic wind tunnel.
Binbin Lv, Yuanjing Wang, Pengxuan Lei
doaj   +1 more source

Study on Influential Mechanism of Trailing Edge Sweep Angle on Aerodynamic Noise of a Centrifugal Air Compressor

open access: yesEnergies, 2022
As the main noise source in the hydrogen fuel cell system, the noise level of the centrifugal air compressor greatly affects the comfort of the hydrogen fuel cell vehicle, and can be effectively reduced by optimizing the trailing edge sweep angle of the ...
Shizhong Sun   +6 more
doaj   +1 more source

Numerical Study on the Biomimetic Trailing Edge of a Turbine Blade Under a Wide Range of Outlet Mach Numbers

open access: yesFrontiers in Energy Research, 2021
This study was carried out to investigate the loss mechanism of a blade with a harbor seal whisker structure on the trailing edge under different Mach numbers.
Fengbo Wen   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy