Water at l0C flowing through a rough pipe 10 em in diameter is to be simulated by air
Chapter 8, Problem 8.49(choose chapter or problem)
Water at l0C flowing through a rough pipe 10 em in diameter is to be simulated by air (20C) flowing through the same pipe. If the velocity of the water is 1.5 m/s, what will the air velocity have to be to achieve dynamic similarity? Assume the absolute air pressure in the pipe to be ISO kPa. If the pressure difference between two sections of the pipe during air flow was measured as 780 Pa, what pressure difference occurs between these two sections when water is flowing under dynamically similar conditions?
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