6. A 1: 25 scale model of a ship has a submerged surface area of 6 m², a length of 5 m and experiences a total drag of 25 N when towed through water with a velocity of 1.2m/s. Estimate the total drag on the prototype when cruising at the corresponding speed. The skin friction force can be estimated by F. = C Ap V2/2 where the coefficient C = 0.0735/(Re)1/5 S Assume water = 1 x 10-3 Pa.s and both model and the prototype. P = 1030 kg/m³ for water
6. A 1: 25 scale model of a ship has a submerged surface area of 6 m², a length of 5 m and experiences a total drag of 25 N when towed through water with a velocity of 1.2m/s. Estimate the total drag on the prototype when cruising at the corresponding speed. The skin friction force can be estimated by F. = C Ap V2/2 where the coefficient C = 0.0735/(Re)1/5 S Assume water = 1 x 10-3 Pa.s and both model and the prototype. P = 1030 kg/m³ for water
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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