Alfredo Güemes1

Antonio Fernandez-Lopez1

Alfredo Criado2 Miguel Riezu2

Asier Oiz3

1)Politechnic University of Madrid, Department of Aeronautics 2)Gamesa 3)CENER

Evaluation of OBR for strain measurements in blade

testing.

Overview

DIAPOSITIVA 1

•  Duration: 2008-2009.

•  Project: Private research contract.

•  Partners: Gamesa Innovation & Technologies

•  UPM responsibilities: The main aim of the project was to validate the

OBR technology for strain measurement, comparing blade strains

obtained during a static test with this technique to those recorded with

Strain Gauges, as well as developing simple retrofit methods for fibre

installation.

DIAPOSITIVA 2

OBR PRINCIPLE

LE groove and Strain Gauge

Blade transversal view fiber deployment