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Field inspection of wind turbine blades using a microwave interferometric method

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Page 1: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 2: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 3: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 4: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 5: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 6: Field inspection of wind turbine blades using a microwave interferometric method

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Page 7: Field inspection of wind turbine blades using a microwave interferometric method

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Page 8: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

B ATransmitter

¼ λ

Transmitter

AB

ReceiversObjectbeingexamined

Defect

Page 9: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Marcelling

Crack

Marcelling

Multiplewrinklesincloseproximity

Single,largewrinkle

Page 10: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Crackandsurroundingdelamination

ScoresinBalsaWood

Page 11: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 12: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 13: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

Page 14: Field inspection of wind turbine blades using a microwave interferometric method

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Page 15: Field inspection of wind turbine blades using a microwave interferometric method

Copyright © 2016 Wetzel Engineering. All Rights Reserved.

CONCLUSIONS

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