Cascaded Bragg-grating-based real-time monitoring of buoyancy material curing

Wentao Zhang; Kaiqi Yan; Bing Lv; Zehua Zhao; Yanliang Du

doi:10.1117/12.2599783

18 June 2021 Cascaded Bragg-grating-based real-time monitoring of buoyancy material curing

Wentao Zhang, Kaiqi Yan, Bing Lv, Zehua Zhao, Yanliang Du

Proceedings Volume 11850, First Optics Frontier Conference; 118501F (2021) https://doi.org/10.1117/12.2599783
Event: First Optics Frontier Conference, 2021, Hangzhou, China

Abstract

In this paper, a real-time monitoring method of buoyancy material curing process based on cascaded fiber Bragg grating (FBG) sensors is proposed. The strain change of buoyancy material curing at different heights is monitored by embedding prestressed-cascaded FBGs in the mixture of hollow glass beads and epoxy resin. Meanwhile, the cascaded reference FBGs encapsulated in a capillary glass tube is used to monitor the temperature change of buoyancy material curing process. The experimental results show that the strain and temperature change trends at different heights are different during the entire process. The proposed method is practical in monitoring of the curing process of buoyancy materials.

Citation Download Citation

Wentao Zhang, Kaiqi Yan, Bing Lv, Zehua Zhao, and Yanliang Du "Cascaded Bragg-grating-based real-time monitoring of buoyancy material curing", Proc. SPIE 11850, First Optics Frontier Conference, 118501F (18 June 2021); https://doi.org/10.1117/12.2599783

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