A new mass-detecting capillary viscometer

Sehyun Shin, S. W. Lee, D. Y. Keum

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The mass-detecting technique has been applied to design a capillary viscometer for viscosity measurements of both Newtonian and non-Newtonian fluids over a range of shear rates. Flow-rate and pressure-drop measurements are replaced with a measurement of liquid-mass variation with time. Using a precision balance, one can measure the variation of fluid mass collected in the receptacle, m(t), from which the test fluid viscosity and shear rate are mathematically calculated. The feasibility and accuracy of the mass-detecting technique have been demonstrated for water and non-Newtonian fluids by comparing results against established viscosity measurement techniques. The advantages of this design are simplicity (i.e., ease of operation and no moving parts), low cost, and the ability to measure viscosity over a relatively broad range of shear rates.

Original languageEnglish
Pages (from-to)3127-3128
Number of pages2
JournalReview of Scientific Instruments
Volume72
Issue number7
DOIs
Publication statusPublished - 2001 Jul 1
Externally publishedYes

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viscometers
Viscometers
Shear deformation
viscosity
Fluids
fluids
Viscosity measurement
shear
Viscosity
Newtonian fluids
pressure drop
containers
Pressure drop
flow velocity
Flow rate
Liquids
liquids
water
Costs
Water

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Instrumentation

Cite this

A new mass-detecting capillary viscometer. / Shin, Sehyun; Lee, S. W.; Keum, D. Y.

In: Review of Scientific Instruments, Vol. 72, No. 7, 01.07.2001, p. 3127-3128.

Research output: Contribution to journalArticle

Shin, Sehyun ; Lee, S. W. ; Keum, D. Y. / A new mass-detecting capillary viscometer. In: Review of Scientific Instruments. 2001 ; Vol. 72, No. 7. pp. 3127-3128.
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