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Proceedings Paper

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

Paper Details

Date Published: 10 April 2007
PDF: 10 pages
Proc. SPIE 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007, 653011 (10 April 2007); doi: 10.1117/12.723513
Show Author Affiliations
Joseph Grant, NASA Marshall Space Flight Ctr. (United States)
Curtis Banks, NASA Marshall Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 6530:
Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007
Kara J. Peters, Editor(s)

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