Computational Investigation of Finite Width Microtabs for Aerodynamic Load Control

2005 ◽  
Author(s):  
E.A. Mayda ◽  
C.P. van Dam ◽  
D. Nakafuji
Keyword(s):  
Load Control ◽  
Aerodynamic Load ◽  
Finite Width ◽  
Computational Investigation

scholarly journals Joint Experimental/Computational Investigation Into the Effects of Finite Width on Transonic Cavity Flow

2014 ◽  
Author(s):  
Srinivasan Arunajatesan ◽  
Matthew F. Barone ◽  
Justin L. Wagner ◽  
Katya M. Casper ◽  
Steven J. Beresh
Keyword(s):  
Cavity Flow ◽  
Finite Width ◽  
Computational Investigation

scholarly journals Active Aerodynamic Load Control of Wind Turbine Blades

2007 ◽  
Author(s):  
Dale E. Berg ◽  
Jose R. Zayas ◽  
Donald W. Lobitz ◽  
C. P. van Dam ◽  
Raymond Chow ◽  
...  
Keyword(s):  
Turbine Blades ◽  
Cost Effective ◽  
Rotor Blades ◽  
Load Control ◽  
Aerodynamic Load ◽  
Wind Turbine Blades ◽  
Trailing Edge ◽  
Trailing Edge Flaps ◽  
Control Devices ◽  
The Cost

The cost of wind-generated electricity can be reduced by mitigating fatigue loads acting on the rotor blades of wind turbines. One way to accomplish this is with active aerodynamic load control devices that supplement the load control obtainable with current full-span pitch control. Thin airfoil theory suggests that such devices will be more effective if they are located near the blade trailing edge. While considerable effort in Europe is concentrating on the capability of conventional trailing edge flaps to control these loads, our effort is concentrating on very small devices, called microtabs, that produce similar effects. This paper discusses the work we have done on microtabs, including a recent simulation that illustrates the large impact these small devices can exert on a blade. Although microtabs show promise for this application, significant challenges must be overcome before they can be demonstrated to be a viable, cost-effective technology.

scholarly journals An Innovative Design of a Microtab Deployment Mechanism for Active Aerodynamic Load Control

Energies ◽  
2015 ◽  
Vol 8 (6) ◽  
pp. 5885-5897 ◽  
Author(s):  
Kuo-Chang Tsai ◽  
Cheng-Tang Pan ◽  
Aubryn Cooperman ◽  
Scott Johnson ◽  
C. van Dam
Keyword(s):  
Load Control ◽  
Aerodynamic Load ◽  
Innovative Design

scholarly journals Active Aerodynamic Load Control for Improved Wind Turbine Design

2020 ◽  
Vol 1618 ◽  
pp. 052079
Author(s):  
D. Todd Griffith ◽  
Neal E. Fine ◽  
John A. Cooney ◽  
Mario A. Rotea ◽  
G. Valerio Iungo
Keyword(s):  
Wind Turbine ◽  
Load Control ◽  
Aerodynamic Load ◽  
Turbine Design
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