What is Shear Flow? Does it Impact Viscosity?

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germana2006
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What is shear flow? Hat this flow viscosity? ....

Thank you
 
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Shear flow in a solid, liquids, granular particles ...? You need to be more specific.
 
Shear generally means parallel to a plane of reference - typically a surface of some sort.

Claude.
 
I want to know only what it means shear flow, for example in a rectangular tube with a sphere particle. And then if there are viscosity or not.