Wind turbine performance improvements using active flow control techniques

S Shun, NA Ahmed - Procedia engineering, 2012 - Elsevier
The ability of a wind turbine to react to rapid fluctuations in wind velocity is blunted by the
massive rotational inertia of the rotor assembly as a whole, as well as the mass of individual …

Toward understanding and optimizing separation control using microjets

V Kumar, FS Alvi - AIAA journal, 2009 - arc.aiaa.org
Toward Understanding and Optimizing Separation Control Using Microjets Page 1 Toward
Understanding and Optimizing Separation Control Using Microjets Vikas Kumar ∗ and Farrukh …

Airfoil separation control using multiple-orifice air-jet vortex generators

S Shun, NA Ahmed - Journal of Aircraft, 2011 - arc.aiaa.org
THE maximum normal force developed by a single element airfoil may be limited by flow
separation, which can occur at higher angles of attack. This phenomenon often results in a …

The application of passive air jet vortex‐generators to stall suppression on wind turbine blades

SA Prince, C Badalamenti, C Regas - Wind Energy, 2017 - Wiley Online Library
An experimental study was performed to assess the feasibility of passive air jet vortex‐
generators to the performance enhancement of a domestic scale wind turbine. It has been …

Aerodynamic stall suppression on aerofoil sections using passive air-jet vortex generators

SA Prince, V Khodagolian, C Singh, T Kokkalis - AIAA journal, 2009 - arc.aiaa.org
VARIOUS flow control techniques to reenergize boundary layers and thereby suppress flow
separation have been successfully tested, such as slot blowing, tangential blowing, and …

Rapid prototyping of aerodynamics research models

S Shun, NA Ahmed - Applied Mechanics and Materials, 2012 - Trans Tech Publ
Rapid prototyping techniques are ideally suited to the manufacture of aerodynamics
research models as these items usually consist of highly complex 3 Dimensional (3D) forms …

Experimental investigation on separation control by slot jet in highly loaded compressor cascade

H Jiaguo, W Rugen, L Renkang… - Proceedings of the …, 2018 - journals.sagepub.com
Separation control in compressor cascade is very significant for modern high efficiency
compressor. This paper introduces a separation control approach using self-supplied jet in a …

Wing leading edge concepts for noise reduction

A Shmilovich, Y Yadlin, DM Pitera - 27th International Congress of the …, 2010 - ntrs.nasa.gov
This study focuses on the development of wing leading edge concepts for noise reduction
during high-lift operations, without compromising landing stall speeds, stall characteristics or …

Aerodynamic drag improvements on a circular cylinder using passive Venturi actuators

E Firat, M Seyhan, GM Ozkan - Physics of Fluids, 2024 - pubs.aip.org
Scale-adaptive simulations (SAS) of three-dimensional flow around a circular cylinder fitted
with a passive version of a novel flow control method (passive Venturi actuator, PVA) are …

Experimental Study on Multiobjective Flow Control of Dynamic Stalls Using a Vortex Generator

B Wei, Y Gao, S Hu - Journal of Aerospace Engineering, 2023 - ascelibrary.org
The dynamic stall of the airfoil can adversely affect the performance of helicopter rotor
blades, jet engine compressor blades, wind turbine blades, and so on. Therefore, the flow …