Q5: A prototype ship is 35 m long and designed to cruise at 11 m/s. Its drag is to be simulated by a 1 m long model pulled in a tow tank. For Froude scaling find (a) the tow speed, (b) the ratio of prototype to model drag, and (c) the ratio of prototype to model power.

Q5: A prototype ship is 35 m long and designed to cruise at 11 m/s. Its drag is to be simulated by a 1 m long model pulled in a tow tank. For Froude scaling find (a) the tow speed, (b) the ratio of prototype to model drag, and (c) the ratio of prototype to model power.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Fluid Kinematics

The branch of science that deals with objects which are either in motion or stationary are studied under the branch of classical mechanics. Fluid mechanics is a subcategory of classical mechanics that deals with the behavior of fluids at rest (fluid statics) or in motion (posing some velocity). In fluid kinematics, studies focus on the associated motion of fluid particles or groups of particles, and its associated parameters like displacements, velocity, and acceleration without concerning about the forces that caused the motion. All the laws of classical mechanics are applied in the study of fluid kinematics.

Question

fluid mechanic

Q5: A prototype ship is 35 m long and designed to cruise at 11 m/s. Its drag is to
be simulated by a 1 m long model pulled in a tow tank. For Froude scaling find (a)
the tow speed, (b) the ratio of prototype to model drag, and (c) the ratio of
prototype to model power.
Answer: (a) 1.86 m/s, (b) 42900, (c) 254000

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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