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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.923
|2 doi
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|a (NLM)18986872
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|a eng
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|a Franco, Ediguer E
|e verfasserin
|4 aut
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|a Viscosity measurement of Newtonian liquids using the complex reflection coefficient
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 30.01.2009
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|a Date Revised 06.11.2008
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|a published: Print
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|a Citation Status MEDLINE
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|a 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 the measurement of the complex reflection coefficient (magnitude and phase) at a solid-liquid interface. The implemented measurement cell is composed of an ultrasonic transducer, a water buffer, an aluminum prism, a PMMA buffer rod, and a sample chamber. Viscosity measurements were made in the range from 1 to 3.5 MHz for olive oil and for automotive oils (SAE 40, 90, and 250) at 15 and 22.5 degrees C, respectively. Moreover, olive oil and corn oil measurements were conducted in the range from 15 to 30 degrees C at 3.5 and 2.25 MHz, respectively. The ultrasonic measurements, in the case of the less viscous liquids, agree with the results provided by a rotational viscometer, showing Newtonian behavior. In the case of the more viscous liquids, a significant difference was obtained, showing a clear non-Newtonian behavior that cannot be described by the Kelvin-Voigt model
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Oils
|2 NLM
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|a Adamowski, Julio C
|e verfasserin
|4 aut
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|a Higuti, Ricardo T
|e verfasserin
|4 aut
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|a Buiochi, Flávio
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 55(2008), 10 vom: 15. Okt., Seite 2247-53
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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|g volume:55
|g year:2008
|g number:10
|g day:15
|g month:10
|g pages:2247-53
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|u http://dx.doi.org/10.1109/TUFFC.923
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