DOI: 10.1515/arh-2002-0005. Vane Rheometry with a Large, Finite Gap

10.1515/arh-2002-0005

Crossref journal-article

Walter de Gruyter GmbH

Applied Rheology (374)

Abstract

Abstract The vane geometry with a large gap is used to determine the Newtonian, non-Newtonian and viscoelastic properties of complex fluids. We show that when this geometry is carefully characterized, it can be used for precise rheometry. A novel effective cylinder approximation is used to obtain the shear rate and shear stress factors. The effective radius is found to be close to the height of the triangle formed by joining the tips of adjacent blades. This result differs significantly from that of previous work. Flow visualization has been used to confirm that the stream lines bend towards the centre between the blades. These factors can be used to determine the flow curves of non-Newtonian liquids, using Krieger’s power law expansion. The standard procedure for using the vane to determine the yield stress is also carefully investigated and alternative procedures are suggested.

Bibliography

Baravian, C., Lalante, A., & Parker, A. (2002). Vane Rheometry with a Large, Finite Gap. Applied Rheology, 12(2), 81â87.

Authors 3

Christophe Baravian (first)
Audrey Lalante (additional)
Alan Parker (additional)

References 7 Referenced 44

10.1122/1.550103 / Rheol / The vane - in - cup as a novel rheometer geometry for shear thinning and thixotropic materials by Barnes (1990)
{'key': 'ref01', 'first-page': '1', 'article-title': 'Rotating Vane Rheome - try - Non - Newtonian Fluid Mech', 'volume': '98', 'author': 'Barnes', 'year': '2001', 'journal-title': 'Review'} / Review / Rotating Vane Rheome - try - Non - Newtonian Fluid Mech by Barnes (2001)
{'key': 'ref21', 'first-page': '438', 'article-title': 'The torque on a rotating n - bladed vane in a newtonianfluid or linear elastic medium', 'author': 'Atkinson', 'year': '1992', 'journal-title': 'Soc Lond'} / Soc Lond / The torque on a rotating n - bladed vane in a newtonianfluid or linear elastic medium by Atkinson (1992)
{'key': 'ref101', 'first-page': '223', 'article-title': 'Using instrumental inertia effects in controlled stress rheometrers Rheol', 'volume': '37', 'author': 'Baravian', 'year': '1998', 'journal-title': 'Acta'} / Acta / Using instrumental inertia effects in controlled stress rheometrers Rheol by Baravian (1998)
10.1122/1.549956 / homme Rheol / Princen HM and Kiss AD A comparison of techniques for measuring yield stresses by Yoshimura (1987)
10.1122/1.549709 / Rheol / Yield stress measure - ment for concentrated suspensions by Dzuy (1983)
{'key': 'ref41', 'first-page': '437', 'article-title': 'Direct measurement of static yield properties of cohe - sive suspensions', 'volume': '26', 'author': 'James', 'year': '1987', 'journal-title': 'Acta'} / Acta / Direct measurement of static yield properties of cohe - sive suspensions by James (1987)

Dates

Type	When
Created	6 years, 3 months ago (May 31, 2019, 5:02 a.m.)
Deposited	4 years, 4 months ago (April 21, 2021, 4:18 p.m.)
Indexed	1 year, 1 month ago (July 2, 2024, 5:56 p.m.)
Issued	23 years, 5 months ago (April 1, 2002)
Published	23 years, 5 months ago (April 1, 2002)
Published Print	23 years, 5 months ago (April 1, 2002)

Funders 0

None

BibTeX

@article{Baravian_2002, title={Vane Rheometry with a Large, Finite Gap}, volume={12}, ISSN={1617-8106}, url={http://dx.doi.org/10.1515/arh-2002-0005}, DOI={10.1515/arh-2002-0005}, number={2}, journal={Applied Rheology}, publisher={Walter de Gruyter GmbH}, author={Baravian, Christophe and Lalante, Audrey and Parker, Alan}, year={2002}, month=apr, pages={81–87} }

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