Investigation on hydrogen-induced attenuation in optical fibers for DTS application

Autor: Sully Milena Mejia Quintero, Adriana Lucia Cerri Triques, Henrique Penna, Luiz G. Valente, Arthur M. B. Braga

Publikováno v: Latin America Optics and Photonics Conference.

We analyze hydrogen-induced attenuation of the pure silica core and conventional fibers subjected to high temperature and hydrogen pressure. Hydrogen-induced attenuation in optical fibers is directly influenced by partial pressure of hydrogen surroun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ab29364b76130003a82cfa4599500072
https://doi.org/10.1364/laop.2012.lm2a.1

Operation of optical fiber sensors in hydrogen-rich atmosphere

Autor: Victor L. Takahashi, Cicero Martelli, Kevin Cook, Arthur M. B. Braga, John Canning, Roberth W. A. Llerena, Adriana Lucia Cerri Triques

Publikováno v: SPIE Proceedings.

The application of optical fiber sensors in hydrogen rich atmospheres and temperatures as high as 300 °C is presented and discussed. Two well known optical fiber sensor technologies are evaluated: (1) distributed temperature sensing, based on Raman

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d7fe7a80d0d36bc86b06b6620713b7ea
https://doi.org/10.1117/12.866490

Mechanical characterization using optical fiber sensors of polyester polymer concrete made with recycled aggregates

Autor: João Reis, Adriana Lucia Cerri Triques, L.C.G. Valente, Arthur Martins Barbosa Bragaa, Luiz Carlos Da Silva Nunes

Publikováno v: Materials Research v.12 n.3 2009
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Vol 12, Iss 3, Pp 269-271 (2009)
Materials Research, Volume: 12, Issue: 3, Pages: 269-271, Published: SEP 2009

The sustainable management of solid wastes encourages metallurgic and metal-mechanic industries to look for safety applications for their wastes, thereby attenuating the environmental impact or lowering the costs. The study herein proposes strain mon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e060955d0ec48ab2b1f367b070e119b4
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392009000300004

Time-encoded WDM technique for multiple Bragg grating sensors interrogation

Autor: Carla C. Kato, A.S. Ribeiro, Adriana Lucia Cerri Triques, Bruno S. Olivieri, L.C.G. Valente, Barbosa Braga Arthur Martins

Publikováno v: SPIE Proceedings.

This work presents a system for the interrogation of optical fiber Bragg grating sensors based on time domain reflectometry and fixed filters. In this system, filtering is accomplished by fiber Bragg gratings, and a pulsed broadband light source is e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d971b36aaaeeea5b9ad0932a828bbe5
https://doi.org/10.1117/12.623805

Fiber Bragg grating sensing for indirect evaluation of corrosion in oil and gas facilities

Autor: Arthur M. B. Braga, J. Celnik, F. Pereira, Manoel Feliciano da Silva, Guedes Valente Luiz Carlos, A. R. D’Almeida, Adriana Lucia Cerri Triques, D. M. Gonzalez, V. G. Schlueter, Marcos L. Dias

Publikováno v: SPIE Proceedings.

Corrosion control in pipelines and wells is a critical issue in the oil industry. In this paper, we present an optical fiber sensing technique devoted to monitor one of the parameters involved in corrosion: the environment acidity. In the proposed te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc4672fb067617b90bd0fb73a742914d
https://doi.org/10.1117/12.566594