FIELD: machine building.
SUBSTANCE: procedure for determination of viscosity of magnetic fluid and magnetic colloid consists in implementation of oscillating system where magnetic fluid (MF) filling U-shaped glass tube functions as inertia-viscous element. Also, an air cavity formed inside one of bends of a tube under a piezo-electric plate functions as elastic force. The plate is attached to the end the tube. The piezo-electric plate is designed for indication of oscillations and for measurement of decay coefficient, on base of which there are obtained values of shear viscosity of analysed samples.
EFFECT: determination of viscosity of both transparent and non-transparent fluids, measurements in magnetic field important for analysis of rheological parametres of nano dispersed magnetic fluids.
2 dwg, 2 tbl
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Authors
Dates
2011-04-10—Published
2010-03-31—Filed