Reduction of radar cross-section of a wind turbine
| DWPI Title: Method for reducing radar cross-section (RCS) of wind turbine blade, involves incorporating fabric structure between core layer and skin layer, which comprises woven layer and conductive layer formed on surface of woven layer |
| Abstract: The various technologies presented herein relate to formation of a wind turbine blade having a reduced radar signature in comparison with a turbine blade fabricated using conventional techniques. Various techniques and materials are presented to facilitate reduction in radar signature of a wind turbine blade, where such techniques and materials are amenable for incorporation into existing manufacturing techniques without degradation in mechanical or physical performance of the blade or major alteration of the blade profile. |
| Use: Method for reducing radar cross-section (RCS) of wind turbine blade. |
| Advantage: The inclusion of the conductive layer can reduce the RCS of the blade and wind turbine structure to facilitate improved operation of the co-located radar system. The techniques and materials are amenable for incorporation into manufacturing techniques without degradation in mechanical/physical performance of the blade or major alteration of the blade profile. |
| Novelty: The method involves fabricating the wind turbine blade (1130) to comprise a core layer (625) and a skin layer (610). A fabric structure is incorporated between the core layer and the skin layer. The fabric structure comprises a woven layer and a conductive layer (630) formed on a surface of the woven layer. The inclusion of the conductive layer in the wind turbine blade causes the RCS of the wind turbine blade to be reduced by at least 20 dB in comparison with a wind turbine blade not including the conductive layer. The conductive layer comprises polypyrrole. |
| Filed: 3/15/2013 |
| Application Number: US13834541A |
| Tech ID: SD 12316.0 |
| This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |
| Data from Derwent World Patents Index, provided by Clarivate All rights reserved. Republication or redistribution of Clarivate content, including by framing or similar means, is prohibited without the prior written consent of Clarivate. Clarivate and its logo, as well as all other trademarks used herein are trademarks of their respective owners and used under license. |