+1 vote
in Fluid Mechanics by (118k points)
Which of the following is a shear-thickening fluid?

(a) Bingham plastic

(b) Thixotropic

(c) Dilatant

(d) Pseudoplastic

The question was asked in an international level competition.

I want to ask this question from Types of Fluids topic in section Properties of Fluids of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
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Best answer
Correct option is (c) Dilatant

To elaborate: Shear-thickening fluids are those for which it gets harger to strain it at high values of shear stresses. The relation between shear stress Z and velocity gradient  of a shear-thickening fluid is given by  where A and n are constants and n > 1. This relation is followed by Dilatants.

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