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Question: 2d 2 a porous cylinder of diameter d20cm is mounted...

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2D 2 A porous cylinder of diameter D-20cm is mounted in a wind tunnel. It is issuing air at a volumetric flow rate of 0.5m2s-1 per unit width of the wind tunnel (the cylinder goes all the way across). Air enters the wind tunnel at a uniform velocity Ц-3 m . 8-1 . The wind tunnel height is 4 times the cylinder diameter. What is the velocity U2, in meters per second? The air may be considered incompressible and the flow is steady

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