A Cross fluid is a type of generalized Newtonian fluid whose viscosity depends upon shear rate according to the following equation:
where
- is viscosity as a function of shear rate,
- , and n are coefficients.
At low shear rate, cross fluids behave as Newtonian fluids and at high shear rate as power-law fluids.
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—John Berryman (19141972)
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—Oswald Spengler (18801936)