Rheological Characterization of Yield-Stress Fluids with Brookfield Viscometer
Abstract: This paper analyzes various techniques to use viscometers equipped with vane spindles to characterize rheological properties of yield stress fluids. Specifically, application of Brookfield viscometers to this end is discussed. A wide selection of toothpastes and lotions were tested. It is shown that a simple method based on apparent shear rate and stress, commonly referred to as a representative viscosity method, works well for moderately non-Newtonian samples but may significantly underestimate viscosity for samples with a more pronounced yield stress behavior. To get more accurate data an integral equation relating torque to angular velocity needs to be solved which can be easily done numerically to get a good agreement between the data collected on an inexpensive viscometer and the data from high-end rheometers.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Rheological Characterization of Yield-Stress Fluids with Brookfield Viscometer ; volume:31 ; number:1 ; year:2021 ; pages:1-9 ; extent:9
Applied rheology ; 31, Heft 1 (2021), 1-9 (gesamt 9)
- Urheber
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Potanin, Andrei
Marron, Greggory
- DOI
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10.1515/arh-2021-0001
- URN
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urn:nbn:de:101:1-2405231852113.873470700485
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:49 MESZ
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Beteiligte
- Potanin, Andrei
- Marron, Greggory
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