(Solved): (a) Calculate the maximum velocity of a non-Newtonian fluid if it is passing ...

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(a) Calculate the maximum velocity of a non-Newtonian fluid if it is passing through a tube in a diameter of \( 20 \mathrm{~mm} \) at a mass flowrate of \( 20,000 \mathrm{~kg} / \mathrm{hr} \). Given that the density of this fluid is \( 2100 \mathrm{~kg} / \mathrm{m} 3, \mathrm{~K}=700 \mathrm{mPa} . \mathrm{sn} \), and \( \mathrm{n}=1 \). [10 marks] (b) If a fluid is a Newtonian fluid, describe the variables used in the equation of Reynolds number calculation. [10 marks]