Question: Design a circular duct system shown in the figure below, using equal friction method, if the velocity of air in the main duct is 2

Design a circular duct system shown in the figure below, using equal friction method, if the velocity of air in the main duct is 20 m/s. Find the total pressure loss as well as the fan total power if the efficiency of the fan is 85%. Consider the flow rates in all zones (1,2,3,4 and 5) to be 0.3 m/s each(Take p =1.225 kg/m*)

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