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Application of fibre optic sensing systems to measure rotor blade structural dynamics - underlying data
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posted on 2021-03-12, 09:17 authored by Stephen JamesStephen James, Thomas KissingerThomas Kissinger, Ralph TatamRalph Tatam, James BarringtonJames Barrington, Edmon ChehuraEdmon Chehura, Simone WeberSimone Weber, Kevin MullaneyKevin Mullaney, Luca Zanotti FragonaraLuca Zanotti Fragonara, Ivan PetruninIvan Petrunin, Stephen StainesStephen StainesRefer to the paper for full details.
Fig9b.csv: Comparison of the Power Spectral Density (PSD) of data recorded by the direct optical fibre shape sensing system, an optical fibre Bragg grating strain sensor and a 1D accelerometer with finite element modeling predictions, measured on the top surface of an Airbus Helicopters H135 bearingless main rotor blade on the quarter chord line at approximately 60% rotor radius.
Fig10_FBG_top.csv: Power Spectral Density (PSD) of the 7th fibre Bragg grating strain (FBG) sensor (FBG7) in the three FBG arrays bonded to the top surface of the Airbus Helicopters H135 bearingless main rotor blade, located at approximately 60% rotor radius.
Fig10_FBG_bottom.csv: Power Spectral Density (PSD) of the 7th fibre Bragg grating strain sensor (FBG7) in the three FBG arrays bonded to the bottom surface of the Airbus Helicopters H135 bearingless main rotor blade, located at approximately 60% rotor radius.
Fig11.csv: Time series of raw data of 3F frequency input collected at approximately 60% rotor radius for the accelerometer, fibre Bragg grating strain sensor and direct optical fibre shape sensor (vertical direction).
Fig12.csv: Comparison of Power Spectral Density (PSD) for the 3F mode measured at approximately 60% rotor radius by the accelerometer, fibre Bragg grating strain sensor and direct optical fibre shape sensor (vertical direction).
Fig14.csv: Mode shapes measured using the direct optical fibre shape sensor
Fig15.cvs: Comparison of normalised displacement mode shapes measured using a 1D accelerometer, the direct optical fibre shape sensor with the finite element model prediction
Fig16.csv: Normalised angle measurements performed by the direct optical fibre shape sensor with the ouput from the FE model for Mode 5F
Fig17.csv:Comparison of normalised strain mode shapes determined by the FBG strain sensors and the output from the FE model.
Funding
Engineering Photonics: Sensor and Instrumentation Development and Application
Engineering and Physical Sciences Research Council
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