Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Cleaning or foaming ability
Patent
1984-10-16
1986-02-25
Levy, Stewart J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Cleaning or foaming ability
G01N 1100
Patent
active
045719896
ABSTRACT:
There is provided a method and apparatus for measuring the viscosity and other rheological properties of a viscoelastic fluid wherein the fluid flows through a fluid channel which has a plate mounted therein, the plate having a surface which is substantially parallel to a wall surface defining the channel and the plate is moved with respect to the wall to thereby subject fluid between the wall surface and the plate to a shearing deformation, and subsequently measuring the shear stress of the fluid at the wall when subjected to the shearing deformation.
REFERENCES:
patent: 3501948 (1970-03-01), Spitsbergen
patent: 4464928 (1984-08-01), Dealy
Fincham Eric
Levy Stewart J.
Roskos Joseph W.
Schaap Robert J.
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