Device for determining viscoelastic properties of liquids and a

Details Device for determining viscoelastic properties of liquids and a Device for determining viscoelastic properties of liquids and a

1991-11-08

1993-10-19

Williams, Hezron E.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

73 5402, G01N 1116

Patent

active

052535134

ABSTRACT:
An apparatus and method for measuring the viscoelastic properties of thin liquid films. A liquid film is placed between and adjacent to two plates, and one of the two plates is oscillated in a normal direction. Computer analysis of the force of the oscillations and the displacement of the oscillations reveals rheometric properties of the liquid.

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E. C. Kuhn, "Hydrodynamic Pressure in a Viscous Fluid Film Between Axially Oscillating Circular Plates," Ph.D. Dissertation, School of Engineering & Mines, U. of Pittsburgh, 1963.
E. J. Dickinson et al., "The Viscoelastic Behavior of Confined Thin Films of Bitumen in Tension Compression," Trans. Soc. Rheology 13(4), 485-511, 1969.
Brochure from Metravib Instruments.
Brochure from Perkin Elmer.

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