Fluid Mechanics Sheet 29
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1) Question.
The shear stress in a fluid may be expresssed as where is the viscosity, dv/dy is the velocity gradient and n is constant. The n-values for Newtonian and non-Newtonian fluids will be respectively
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2) Question.
The differential equation for energy for a reversible adiabatic flow may take the form
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3) Question.
The friction factor (f), in terms of boundary shear stress (), is given by (= mass density, v= mean velocity)
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4) Question.
Which of the following equations will be satisfied by irrotational flow of an incompressible fluid ?
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