| Texto completo | |
| Autor(es): |
Fujiwara, Eric
;
da Silva Delfino, Tiago
;
Destri Cabral, Thiago
;
Cordeiro, Cristiano Monteiro de Barros
Número total de Autores: 4
|
| Tipo de documento: | Artigo Científico |
| Fonte: | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT; v. 69, n. 4, p. 7-pg., 2020-04-01. |
| Resumo | |
An optical fiber anemometer based on the Pitot-static tube is reported. The device was fabricated in a 3-D printer, and the pressure difference was assessed by means of a latex rubber diaphragm with a mounted fiber Bragg grating probe, so the membrane deflection is obtained in terms of the fiber curvature. The sensor characteristics were first obtained by the simulation in order to determine the correlation between the Bragg wavelength shifts and the airflow speed. Next, the device was experimentally evaluated in a wind tunnel, allowing for the assessment of a 20-36-m/s dynamic range, with 24.9-pm/(m/s) maximum sensitivity and 0.04-m/s resolution. Finally, the system was tested on the measurement of cyclic airflow speeds for predicting the applied speed according to the calibration curve, yielding reproducible results with an average error of 0.98 m/s, which is comparable to other reported sensors based on more complex designs and interrogation setups. (AU) | |
| Processo FAPESP: | 17/25666-2 - Desenvolvimento de sensor de fibra óptica para medição de sinais de miografia de força aplicado a interfaces humano-robô |
| Beneficiário: | Eric Fujiwara |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |
| Processo FAPESP: | 14/50632-6 - Sensores baseados em ressonância de plasmon e fibras ópticas microestruturadas |
| Beneficiário: | Cristiano Monteiro de Barros Cordeiro |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |
| Processo FAPESP: | 16/25196-3 - Sensores baseados em fibras ópticas e plataforma Arduino |
| Beneficiário: | Tiago da Silva Delfino |
| Modalidade de apoio: | Bolsas no Brasil - Iniciação Científica |