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http://acervodigital.unesp.br/handle/11449/69267
- Title:
- P3L-3 Viscosity measurement of Newtonian liquids using the complex reflection coefficient
- Universidade de São Paulo (USP)
- Universidade Estadual Paulista (UNESP)
- 1051-0117
- This work presents the implementation of the ultrasonic shear reflectance method for viscosity measurement of Newtonian liquids using wave mode conversion from longitudinal to shear waves and vice-versa. The method is based on measuring the complex reflection coefficient (magnitude and phase) at a solid-liquid interface. Viscosity measurements were made in the range from 1 to 3.5MHz at 22.5°C for automotive oil (SAE40) and at 15°C for olive oil. Moreover, measurements of the olive oil were also conducted in the range from 15 to 30°C at 3.5MHz. The experimental results agree with those provided by a rotational viscometer. © 2006 IEEE.
- 1-Dec-2006
- Proceedings - IEEE Ultrasonics Symposium, v. 1, p. 2257-2260.
- 2257-2260
- Reflection coefficient
- Shear impedance
- Shear waves
- Viscosity
- Complex reflection coefficient
- Olive oil
- Reflection coefficients
- Rotational viscometer
- Solid-liquid interfaces
- Wave modes
- Phase interfaces
- Reflection
- Ultrasonics
- Vegetable oils
- Viscometers
- Viscosity measurement
- Shear flow
- http://dx.doi.org/10.1109/ULTSYM.2006.570
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/69267
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