Strain and shape measurements in composite pipelines
Composite collectors and pipelines were investigated in collaboration with the Warsaw University of Technology. The specimens were equipped with surface-mounted optical fibres for internal and external strain measurements. Thanks to that approach, 3DSensor could be utilised to calculate displacements (shape changes) expressed directly in millimetres. The research included pipe specimens with different geometry of the cross- section.
DFOS Sensors Installed: Optical fibre in acrylate coating
Project challenges
Benefits of using the DFOS monitoring system
Results of using the DFOS monitoring system
The above figures show the example results obtained during laboratory load tests. The raw data for further calculations are external strains (left Fig.) and internal strains (middle Fig.). Using the algorithm of the 3DSensor, it was possible to estimate the shape changes during subsequent load steps (right Fig.)
Example results
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