Method and apparatus for measuring fluid viscosity

Details Method and apparatus for measuring fluid viscosity Method and apparatus for measuring fluid viscosity

G - Physics

01

N

73/126

G01N 11/00 (2006.01) G01N 11/04 (2006.01)

Patent

CA 1319840

"METHOD AND APPARATUS FOR MEASURING FLUID VISCOSITY" ABSTRACT OF THE DISCLOSURE A transient flow capillary viscometer is provided for establishing a measure of the viscosity of a highly viscous test fluid. More particularly, a capillary tube filled with the test fluid is provided. The viscometer relies upon inducing a step change in the differential pressure across the ends of the capillary tube, which causes the fluid to flow therein. The resultant decrease in pressure drop as a function of time, i.e. the half-life of pressure decay, is monitored and provides an approximate measure indicative of the viscosity of the fluid.

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