The dimensionless ratio U??/ ?? Lg, called Froude number, is a measure of similarity between an ocean-going
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The dimensionless ratio U??/ ?? Lg, called Froude number, is a measure of similarity between an ocean-going ship and a scale model of the ship to be tested in a laboratory water channel. A 500 ft long cargo ship is designed to run at 20 knots, and a 5 ft. geometrically similar model is towed in a water channel to study wave resistance. What should be the towing speed in m s??1?GIVENA ship model and its prototypeFroude number = U??/ ??Lg is a measure of similarityShip length (Ls) = 500 ftShip speed (U??s) = 20 knotsModel length (Lm) = 5ft
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Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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