Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Arthur M. B. Braga"'
Autor:
João M. B. Pereira, Paula M. P. Gouvea, Arthur M. B. Braga, Isabel C. S. Carvalho, Antonio C. Bruno
Publikováno v:
Sensors, Vol 23, Iss 21, p 8785 (2023)
The finite element method (FEM) was used to investigate the optical–mechanical behavior of a Fabry–Perot Interferometer (FPI) composed of a capillary segment spliced between two sections of standard optical fiber. The developed FEM model was vali
Externí odkaz:
https://doaj.org/article/f6f97c4f1b164ced9c2421cbaf8653e0
Publikováno v:
Sensors, Vol 23, Iss 10, p 4697 (2023)
Ultrasonic communication and power transfer are attractive solutions when conventional electromagnetic-based or wired connections are unfeasible. Most ultrasonic communication applications concern a single-solid barrier. Nevertheless, some relevant s
Externí odkaz:
https://doaj.org/article/e475457d4ece41b7ad601913706be921
Autor:
Victor L. Takahashi, Alan C. Kubrusly, Arthur M. B. Braga, Sully M. M. Quintero, Sávio W. O. Figueiredo, Ana B. Domingues
Publikováno v:
Sensors, Vol 19, Iss 19, p 4074 (2019)
Ultrasonic power and data transfer through multilayered curved walls was investigated using numerical and experimental analysis. The acoustic channel used in this paper was formed by two concentric pipes filled with water, aiming for applications tha
Externí odkaz:
https://doaj.org/article/58d72ea3b1af45d8a51020d7843cb661
Publikováno v:
Sensors, Vol 11, Iss 12, Pp 11103-11111 (2011)
A magnetic field sensor based on the integration of a high birefringence photonic crystal fiber and a composite material made of Terfenol particles and an epoxy resin is proposed. An in-fiber modal interferometer is assembled by evenly exciting both
Externí odkaz:
https://doaj.org/article/2a5fc5f3e1cb468d86e92579d90659c8
Autor:
Jefferson F. D. F. Araújo, Antonio C. Bruno, Hans I. Weber, Arthur M. B. Braga, Sully M. M. Quintero
Publikováno v:
Sensors, Vol 10, Iss 9, Pp 8119-8128 (2010)
This paper presents a light and compact optical fiber Bragg Grating sensor for DC and AC magnetic field measurements. The fiber is coated by a thick layer of a magnetostrictive composite consisting of particles of Terfenol-D dispersed in a polymeric
Externí odkaz:
https://doaj.org/article/1ee3694f5b294c68a8456d99fc39b586
Autor:
Sully M. M. Quintero, Sávio W. O. Figueiredo, Victor L. Takahashi, Roberth A. W. Llerena, Arthur M. B. Braga
Publikováno v:
Sensors, Vol 17, Iss 7, p 1635 (2017)
A passive surface acoustic wave (SAW) pressure sensor was developed for real-time pressure monitoring in downhole application. The passive pressure sensor consists of a SAW resonator, which is attached to a circular metal diaphragm used as a pressure
Externí odkaz:
https://doaj.org/article/58a83f4d6b9148a9aa5e533eb4a3aa36
Autor:
Dario Prada Parra, Bruno Greco de Sousa, Giancarlo V. de Faria, Paula M. P. Gouvea, Luiz F. N. Moura, Guilherme P. Temporão, Rulliane T. Gonçalves, Aldo B. Sola, Khrissy A. R. Medeiros, Pedro E. G. Panta, Mario L. P. Ribeiro, Natalia Ribeiro, Arthur M. B. Braga
Publikováno v:
Day 4 Thu, May 04, 2023.
The formation of gas hydrates on oil and gas production equipment in deep water can hinder subsea operations, often requiring removal by using expensive and time-consuming methods that can damage the equipment. This paper discusses simulations and ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::235d48e5b1f63d4f0e168fdd21e78af3
https://doi.org/10.4043/32623-ms
https://doi.org/10.4043/32623-ms
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 10, Iss 6, Pp 2373-2386 (2020)
The pressure response during a well test provides important information about reservoir properties, well productivity or reservoir performance. In order to have an option to replace traditional production tests, avoiding the gas flaring and increasin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8da5354b18742622558c0958e87004a4
https://doaj.org/article/fafc5ac7667e4920bb567deba9dbd9ed
https://doaj.org/article/fafc5ac7667e4920bb567deba9dbd9ed
Autor:
Paula M. P. Gouvea, Alexandre S. Ribeiro, G. Vilela de Faria, Luiz F. N. de Moura, Natalia Ribeiro, Mario L. P. Ribeiro, Arthur M. B. Braga
Publikováno v:
Optica Advanced Photonics Congress 2022.
Reliability of FBG temperature sensors for underwater samples heated by a high-power laser. The sensors installed on the surface of the sample must respond efficiently to its temperature changes while ensuring insulation from the cold surrounding wat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da28b57be77adad708d8bc42e220f7b8
https://doi.org/10.1364/bgppm.2022.jw3a.35
https://doi.org/10.1364/bgppm.2022.jw3a.35
Autor:
Arthur M. B. Braga, Jean Pierre von der Weid, Alan C. Kubrusly, Lucas M. Martinho, Nicolás Pérez
Publikováno v:
2019 IEEE International Ultrasonics Symposium (IUS).
Ultrasonic guided waves can be used to measure mechanical strain in plates due to the stress-induced velocity change. Strain monitoring is usually performed by measuring the time-of-flight shift. However, interpretation of results can be difficult du
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e16f1a5a1bca02660cb85ccb696deb1
https://doi.org/10.1109/ultsym.2019.8925997
https://doi.org/10.1109/ultsym.2019.8925997