In this study,multifunctional carbon nanofiber(CNF)paper-based nanocomposite coating was developed for wind turbine blades.The importance of vibration damping in relation to structural stability,dynamic response,posit...In this study,multifunctional carbon nanofiber(CNF)paper-based nanocomposite coating was developed for wind turbine blades.The importance of vibration damping in relation to structural stability,dynamic response,position control,and durability of wind turbine blades cannot be underestimated.The vibration damping properties of the nanocomposite blades were significantly improved and the damping ratio of the nanocomposite increased by 300%compared to the baseline composite.In addition,the CNF paper-based composite exhibited good impact-friction resistance,with a wear rate as low as 1.78×10^(−4)mm^(3)/Nm.The nanocomposite also shows the potential to improve the blockage of water from entering the nanocomposite,being a superhydrophobic material,with a contact angle higher than 160.0◦,which could improve the longevity of a wind turbine blade.Overall,multifunctional nanocomposite coating material shows great promise for usage with wind turbine blades,owing to its excellent damping properties,great friction resistance,and superhydrophobicity.展开更多
基金supported by National Science Foundation(NSF)Nanomanufacturing program under grant number 0757302Federal Aviation Administration Center of Excellence Commercial Space Transportation(FAA COE CST)under grant number 10CCSTUCF002.
文摘In this study,multifunctional carbon nanofiber(CNF)paper-based nanocomposite coating was developed for wind turbine blades.The importance of vibration damping in relation to structural stability,dynamic response,position control,and durability of wind turbine blades cannot be underestimated.The vibration damping properties of the nanocomposite blades were significantly improved and the damping ratio of the nanocomposite increased by 300%compared to the baseline composite.In addition,the CNF paper-based composite exhibited good impact-friction resistance,with a wear rate as low as 1.78×10^(−4)mm^(3)/Nm.The nanocomposite also shows the potential to improve the blockage of water from entering the nanocomposite,being a superhydrophobic material,with a contact angle higher than 160.0◦,which could improve the longevity of a wind turbine blade.Overall,multifunctional nanocomposite coating material shows great promise for usage with wind turbine blades,owing to its excellent damping properties,great friction resistance,and superhydrophobicity.
