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

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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 P water
both model and the prototype.
= 1030 kg/m³ for

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