Fiber Optic Temperature Sensors in TPS: Arc Jet Model Design & Testing

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Fiber Optic Temperature Sensors in TPS: Arc Jet Model Design & Testing

Black, Richard / Feldman, Jay / Ellerby, Donald / Monk, Joshua / Moslehi, Behzad / Oblea, Levy / Switzer, Matthew

Techniques for using fiber optics with Fiber Bragg Gratings (FBGs) have been developed by IFOS Corp. for use in thermal protection systems (TPS) on spacecraft heat shield materials through NASA Phase 1 and 2 SBIR efforts and have been further improved in a recent collaboration between IFOS and NASA that will be described here. Fiber optic temperature sensors offer several potential advantages over traditional thermocouple sensors including a) multiplexing many sensors in a single fiber to increase sensor density in a given array or to provide spatial resolution, b) improved thermal property match between sensor and TPS to reduce heat flow disruption, c) lack of electrical conductivity.

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Document information

Title :

Fiber Optic Temperature Sensors in TPS: Arc Jet Model Design & Testing

Contributors:

Black, Richard (author) / Feldman, Jay (author) / Ellerby, Donald (author) / Monk, Joshua (author) / Moslehi, Behzad (author) / Oblea, Levy (author) / Switzer, Matthew (author)

Conference:

National Space & Missile Materials Symposium (NSMMS) ; 2017 ; Indian Wells, CA, United States

Publication date :

2017-06-26

Type of media :

Miscellaneous

Type of material :

No indication

Language :

English

Keywords :

fiber optics , Engineering (General) , TPS , sensors , heat shield