Strain measurements using FBG on composite over wrap pressure vessels (COPV) in stress rupture test

Joseph Grant; Curtis Banks

doi:10.1117/12.723513

10 April 2007 Strain measurements using FBG on composite over wrap pressure vessels (COPV) in stress rupture test

Joseph Grant, Curtis Banks

Proceedings Volume 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007; 653011 (2007) https://doi.org/10.1117/12.723513
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States

Abstract

Thirty six Fiber Optic Braggs Grating sensors were used during an ambient temperature hydrostatic pressurization testing of a Space Transportation System (STS) 40-inch Kevlar Composite Over-wrapped Pressure Vessel (COPV). The 40-inch vessel was of the same design and approximate age as the STS Main Propulsion System (MPS) and Orbiter Maneuvering System (OMS) vessels. The sensors were surfaces mounted to on the vessel to measure strain during a stress rupture event. The Bragg signals were linear with the applied pressure. The results indicated that the vessel was under an uneven force distribution at various locations on the vessel.

Citation Download Citation

Joseph Grant and Curtis Banks "Strain measurements using FBG on composite over wrap pressure vessels (COPV) in stress rupture test", Proc. SPIE 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007, 653011 (10 April 2007); https://doi.org/10.1117/12.723513

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