| Journal: | Journal of the Brazilian Society of Mechanical Sciences |
| Database: | PERIÓDICA |
| System number: | 000311992 |
| ISSN: | 0100-7386 |
| Authors: | Belo, Francisco Antonio1 Moura, Luiz Felipe Mendes de2 |
| Institutions: | 1Universidade Federal da Paraiba, Departamento de Engenharia Mecanica, Joao Pessoa, Paraiba. Brasil 2Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica, Campinas, Sao Paulo. Brasil |
| Year: | 1999 |
| Season: | Dic |
| Volumen: | 21 |
| Number: | 4 |
| Pages: | 611-621 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Descriptivo |
| English abstract | This paper describes an electronic transducer for multiphase flow measurement. Its high sensitivity, good signal to noise ratio and accuracy are achieved through an electrical impedance sensor with a special guard technique. The transducer consists of a wide bandwidth and high slew rate differentiator where the lead inductance and stray capacitance effects are compensated. The sensor edge effect is eliminated by using a guard electrode based on the virtual ground potential of the operational amplifier. A theoretical modeling and a calibration method are also presented. The results obtained seem to confirm the validity of the proposed technique |
| Disciplines: | Ingeniería |
| Keyword: | Ingeniería de control, Ingeniería mecánica, Transductores, Flujo multifásico, Medición, Tomografía, Velocidad |
| Keyword: | Engineering, Control engineering, Mechanical engineering, Transducers, Multiphase flow, Measurement, Tomography, Velocity |
| Full text: | Texto completo (Ver HTML) |
