Results 41 to 50 of about 14,096,044 (237)

Investigation of passive flow control techniques to enhance the stall characteristics of a microlight aircraft [PDF]

open access: yes, 2013
This report investigates the enhancement of aerodynamic stall characteristics of a Skyranger microlight aircraft by the use of passive flow control techniques, namely vortex generators and turbulators.
Mwenegoha, HA, Jabbal, M
core   +1 more source

Blade Design with Passive Flow Control Technologies

open access: yes, 2022
This chapter focuses on the application of passive flow control technologies to wind turbine blades. The motivation of using these technologies is always an enhancement of the wind turbine performance (increase of power production, load reduction, noise ...
González-Salcedo, Álvaro   +6 more
core   +2 more sources

Numerical Study of Combined Drag Reduction Bases on Vortex Generators and Riblets for the Ahmed Body using IDDES Methodology [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
The flow fields around vehicle drag reduction devices are three-dimensional, complicated, and unsteady. Meanwhile, the small scale of the drag reduction device brings more challenges to the simulation. An Improved Delayed Detached Eddy Simulation (IDDES)
X. Yang, Y. Hu, Z. Gong, J. Jian, Z. Liu
doaj   +1 more source

Passive and active flow control using vortex methods [PDF]

open access: yes, 2014
International audienceThis paper deals with the application of remeshed particle methods for the simulation and control of wakes behind obstacles. We consider passive as well as active control strategies.
Mimeau, Chloé   +5 more
core   +3 more sources

Special Issue “Active Flow Control Processes with Machine Learning and the Internet of Things”

open access: yes, 2023
The desired changes in flow characteristics are obtained by flow control, which implies manipulating flow behavior such as drag reduction, mixing augmentation, or noise attenuation, employing active or passive devices [...
Valentina Emilia Balas   +2 more
core   +1 more source

Review of Improving the Performance of Horizontal Axis Wind Turbine Using Passive Flow Control [PDF]

open access: yesERU Research Journal
Controlling rotor blade flow separation and dynamic stall is required to improve the aerodynamic performance of horizontal axis wind turbine (HAWT) blades. Active and passive flow controls are the two basic methods for controlling the flow state. The use
Wafaa Ibrahim
doaj   +1 more source

CFD Investigation of a Hybrid Wells Turbine with Passive Flow Control

open access: yesEnergies, 2023
In the past decade, there has been renewed interest in wave energy harvesting utilizing oscillating water columns (OWC), one of the most well-studied wave energy harnessing technologies.
Mohammad Nasim Uddin   +2 more
doaj   +1 more source

The flow structure behind vortex generators embedded in a decelerating turbulent boundary layer [PDF]

open access: yes, 2009
The objective of the present work is to analyse the behaviour of a turbulent decelerating boundary layer under the effect of both passive and active jets vortex generators (VGs).
Braud, Caroline   +7 more
core   +1 more source

Effect of Passive Flow Control Devices on Base Pressure for Mach Numbers Between 0.5 and 1.4

open access: yes, 2021
Experimental studies are carried out on an axisymmetric cylindrical base body for six freestream Mach numbers between 0.54 and 1.41. Unsteady pressure is measured on the base surface using high-frequency response Kulite pressure transducers.
Sri Raghu, R   +7 more
core   +1 more source

Influence of the dimple size and spacing for passive flow control in blended wing body aerodynamics: a CFD investigation [PDF]

open access: yesRoyal Society Open Science
Blended wing body (BWB) aircraft have re-emerged as a research focus owing to their potential for enhanced aerodynamic efficiency and fuel economy.
Haris Ali   +2 more
doaj   +1 more source

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