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Titolo:
Simultaneous measurement of two strain components in composite structures using embedded fiber sensor
Autore:
Jin, XD; Sirkis, JS; Chung, JK; Venkat, VS;
Indirizzi:
Univ Maryland, Dept Mech Engn, Smart Mat & Struct Res Ctr, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 t Res Ctr, College Pk, MD 20742 USA Chosun Univ, Dept Mech Engn, Kwangju 501759, South Korea Chosun Univ Kwangju South Korea 501759 Engn, Kwangju 501759, South Korea Analyt Serv & Mat Inc, Hampton, VA 23666 USA Analyt Serv & Mat Inc Hampton VA USA 23666 Mat Inc, Hampton, VA 23666 USA
Titolo Testata:
JOURNAL OF COMPOSITE MATERIALS
fascicolo: 15, volume: 33, anno: 1999,
pagine: 1376 - 1389
SICI:
0021-9983(1999)33:15<1376:SMOTSC>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
TEMPERATURE MODELS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Sirkis, JS Univ Maryland, Dept Mech Engn, Smart Mat & Struct Res Ctr, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 College Pk, MD 20742 USA
Citazione:
X.D. Jin et al., "Simultaneous measurement of two strain components in composite structures using embedded fiber sensor", J COMPOS MA, 33(15), 1999, pp. 1376-1389

Abstract

This paper uses an in-line fiber etalon (ILFE) cascaded with an in-fiber Bragg grating to simultaneously measure axial and transverse strain components inside a cantilever beam fabricated from a graphite/epoxy composite material. The ILFE and Bragg grating sensor signals are demultiplexed using a variation of coherence division multiplexing, and then demodulated using a Pseudo-Heterodyne scheme. Composite cylinders models are developed that allow the optical measurements to be related to the strains in the host composite material. Experimental results show that both of the measurement errors of the two strain components are approximately 5 mu epsilon.

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Documento generato il 08/04/20 alle ore 23:58:19