Scenario You have been asked to prepare a set of notes containing examples of the use of Dimensional Analysis

Scenario

You have been asked to prepare a set of notes containing examples of the use of Dimensional Analysis

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a.

The term dynamic viscosity is used in determining the shear stress t = m   where   is the velocity gradient. Rearrange the formula for m (dynamic viscosity) and hence deduce the basic dimensions for dynamic viscosity.

b.

The Reynolds number R is given by R = r v D m-1

Use basic dimensional analysis to show that it is a dimensionless number

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