Q 3. A submarine of length 160 m, average diameter of 15 m moves through seawater with kinematic viscosity 1.5x10-6 m2/s and density 1025 kg/m3 at 9.5 m/s. Estimate the power needed to overcome the drag force. Consider the submarine as a fat plate that has the same surface area as the submarine.

Q 3. A submarine of length 160 m, average diameter of 15 m moves through seawater with kinematic viscosity 1.5x10-6 m2/s and density 1025 kg/m3 at 9.5 m/s. Estimate the power needed to overcome the drag force. Consider the submarine as a fat plate that has the same surface area as the submarine.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.9P: When a sphere falls freely through a homogeneous fluid, it reaches a terminal velocity at which the...

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Question

Q 3. A submarine of length 160 m, average diameter of 15 m moves through
seawater with kinematic viscosity 1.5x10-6 m²/s and density 1025 kg/m3 at 9.5
m/s. Estimate the power needed to overcome the drag force. Consider the
submarine as a fat plate that has the same surface area as the submarine.

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