Strain transfer analysis of a clamped fiber Bragg grating sensor
MetadataShow full item record
© 2017 by the authors.Clamped fiber Bragg grating (FBG) sensors have been widely applied in engineering strain measurements due to their advantages of high flexibility and efficiency. However, due to the existence of the interlayer, the strain measured by the encapsulated FBG sensor is not equal to the strain of the host material, which causes strain measurement errors. In this paper, the strain transfer analysis of a clamped FBG sensor based on the shear-lag theory is conducted to improve the accuracy of strain measurements. A novel theoretical model for the axial strain distribution of a clamped FBG sensor is proposed. It is also discussed how the gauge ratio and interlayer thickness affect the strain transfer rate. The accuracy of the proposed theoretical model is verified by experimental tensile tests. The theoretical value of the strain transfer rate matches well with the tested value.
Showing items related by title, author, creator and subject.
Sun, L.; Hao, H.; Zhang, B.; Ren, X.; Li, Jun (2016)Due to the difference in the physical and mechanical properties between the optical fiber, protective layer, adhesive layer, and the host material, the strains measured by a fiber Bragg grating (FBG) sensor may not be the ...
McAtee, Brendon Kynnie (2003)Remote sensing of land surface temperature (LST) is a complex task. From a satellite-based perspective the radiative properties of the land surface and the atmosphere are inextricably linked. Knowledge of both is required ...
Antimicrobial resistance in gram-positive cocci isolated from poultry in Western Australia : an assessment of poultry meat as a vehicle for the transmission of resistant strains via the food chain.Bertolatti, Dean (2002)The aim of this study was to examine whether Gram-positive cocci isolated from processed poultry in Western Australia provided a potential risk for the transfer of antimicrobial-resistant organisms to humans via commercially ...