Franco, Ediguer E.Adamowski, Julio C.Higuti, Ricardo T. [UNESP]Buiochi, Flávio2014-05-272014-05-272006-12-01Proceedings - IEEE Ultrasonics Symposium, v. 1, p. 2257-2260.1051-0117http://hdl.handle.net/11449/69267This 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.2257-2260engReflection coefficientShear impedanceShear wavesViscosityComplex reflection coefficientOlive oilReflection coefficientsRotational viscometerSolid-liquid interfacesWave modesPhase interfacesReflectionUltrasonicsVegetable oilsViscometersViscosity measurementShear flowTrabalho apresentado em evento10.1109/ULTSYM.2006.570Acesso aberto2-s2.0-5424914917864053395108832030000-0003-4201-5617