serv - 2 kg , compute the speed of the cylinder. 2 5 The...

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Instructors : Dr. ˙ Ismail H. TUNCER Dr. Funda KURTULUS ¸ Dr. Sinan EY ˙ I Assistants : Kenan CENG ˙ IZ : ¨ Ozg¨ur HARPUTLU AE244 - FLUID MECHANICS HOMEWORK II March 3, Thursday, 2011 Due on: March 10, Thursday, 2011 1 5 A solid circular cylinder of diameter d = 100 mm and length l = 200 mm slides inside a smooth vertical pipe that has an inside diameter D = 100 . 5 mm . The gap between the cylinder and the pipe is lubricated with SAE 30W oil at 10 o C . Assuming that the cylinder has a weight of
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Unformatted text preview: 2 kg , compute the speed of the cylinder. 2 5 The ±ow velocity of water over a ±at plate is given as u = U ∞ sin p π 2 y δ P . Assuming δ increases in the direction of the ±ow such that δ = c p x U ∞ P 1 / 2 , estimate the total viscous force on the ±at plate between x 1 and x 2 . U ∞ = 20 m/s, c = 1 . 75 × 10-4 m/s 1 / 2...
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