Relation between shear stress and velocity gradient for rheopectic fluid
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The Newtonian fluids behave according to the
law that shear stress is linearly proportional
to velocity gradient or rate of shear strain .
Thus for these fluids, the plot of shear stress
against velocity gradient is a straight line
through the origin. The slope of the line
determines the viscosity.
law that shear stress is linearly proportional
to velocity gradient or rate of shear strain .
Thus for these fluids, the plot of shear stress
against velocity gradient is a straight line
through the origin. The slope of the line
determines the viscosity.
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