<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The Active Gurney Flap (AGF) is a small, flat tab cyclically deployed and retracted at lower surface of the rotor blade near its trailing edge. It is expected that the device may improve performance of modern helicopters. The main goal of presented investigations was to develop research methodology and next to use it in studies on phenomena occurring in the flow around helicopter-rotor blades equipped with AGF. Conducted CFD simulations aimed at validation of the developed methodology as well as at significant supplementing and extension of results of experimental research. Simplified sensitivity analysis has been conducted aiming at determination of geometric and motion-control parameters of the AGF, optimal from point of view of helicopter-performance improvement. Fully three-dimensional simulations of the rotor flight aimed at determination of flight conditions, in which the use of Active Gurney Flaps could significantly improve the rotorcraft performance.</p>
</abstract>

The Active Gurney Flap (AGF) is a small, flat tab cyclically deployed and retracted at lower surface of the rotor blade near its trailing edge. It is expected that the device may improve performance of modern helicopters. The main goal of presented investigations was to develop research methodology and next to use it in studies on phenomena occurring in the flow around helicopter-rotor blades equipped with AGF. Conducted CFD simulations aimed at validation of the developed methodology as well as at significant supplementing and extension of results of experimental research. Simplified sensitivity analysis has been conducted aiming at determination of geometric and motion-control parameters of the AGF, optimal from point of view of helicopter-performance improvement. Fully three-dimensional simulations of the rotor flight aimed at determination of flight conditions, in which the use of Active Gurney Flaps could significantly improve the rotorcraft performance.

Flow Control on Helicopter-Rotor Blades Via Active Gurney Flap

Transactions on Aerospace Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Flow Control on Helicopter-Rotor Blades Via Active Gurney Flap"}

The Active Gurney Flap (AGF) is a small, flat tab cyclically deployed and retracted at lower surface of the rotor blade near its trailing edge. It is expected...

Flow Control on Helicopter-Rotor Blades Via Active Gurney Flap

Published Online: Jul 25, 2019

Page range: 98 - 118

DOI: https://doi.org/10.2478/tar-2018-0007

Keywords
helicopter rotor blades, active flow control, Active Gurney Flap, rotorcraft performance

© 2017 Copyright by Lukasiewicz Research Network – Institute of Aviation

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Flow Control on Helicopter-Rotor Blades Via Active Gurney Flap

Published Online: Jul 25, 2019

Page range: 98 - 118

DOI: https://doi.org/10.2478/tar-2018-0007

Keywordshelicopter rotor blades, active flow control, Active Gurney Flap, rotorcraft performance

© 2017 Copyright by Lukasiewicz Research Network – Institute of Aviation

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
helicopter rotor blades, active flow control, Active Gurney Flap, rotorcraft performance