PROCEDURE FOR DETERMINATION OF VISCOSITY OF MAGNETIC FLUID OR MAGNETIC COLLOID Russian patent published in 2011 - IPC G01N11/16 

Abstract RU 2416089 C1

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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RU 2 416 089 C1

Authors

Emel'Janov Sergej Gennad'Evich

Polunin Vjacheslav Mikhajlovich

Kobelev Nikolaj Sergeevich

Rjapolov Petr Alekseevich

Shabanova Irina Aleksandrovna

Dates

2011-04-10Published

2010-03-31Filed