METHOD FOR DETERMINING THE FIBRE ORIENTATION IN A ROTOR BLADE OF A WIND TURBINE HAVING A NUMBER OF FIBRES DISTRIBUTED IN A LAMINATE MATERIAL

摘要

A method for determining the fibre orientation in a fibre-reinforced component having a number of fibres distributed in a laminate material is provided. The fibres are orientated in at least one defined direction. An ultrasonic signal is emitted into the component by an ultrasonic transducer. A reflected ultrasonic signal is received by an ultrasonic receiver and a measurement signal is generated. The ultrasonic transducer and the ultrasonic receiver are disposed in a defined linear relationship. Information is determined indicating a degree of the fibre orientation in relation to the defined linear relationship of the ultrasonic transducer and the ultrasonic receiver from the respective measurement signal.