As shown in the figure below, a "noisemaker" B is towed behind a minesweeper A to set off enemy acoustic mines such as at C. The drag force of the noisemaker is to be studied in a water tunnel at a 1/6 scale model (model 1/6 the size of the prot nel The dre mod:
As shown in the figure below, a "noisemaker" B is towed behind a minesweeper A to set off enemy acoustic mines such as at C. The drag force of the noisemaker is to be studied in a water tunnel at a 1/6 scale model (model 1/6 the size of the prot nel The dre mod:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![### Noisemaker Drag Force Study
As shown in the figure below, a “noisemaker” B is towed behind a minesweeper A to set off enemy acoustic mines such as at C. The drag force of the noisemaker is to be studied in a water tunnel at a 1/6 scale model (model 1/6 the size of the prototype). The drag force is assumed to be a function of the speed of the ship, the density and viscosity of the fluid, and the diameter of the noisemaker.
(a) If the prototype towing speed is 3 m/s, determine the water velocity in the tunnel for the model tests.
(b) If the model tests of part (a) produced a model drag of 900 N, determine the drag expected on the prototype.
#### Diagram Explanation
The diagram illustrates a minesweeper (identified as "A") towing a noisemaker (identified as "B") through the water. The noisemaker is intended to trigger enemy acoustic mines (represented as "C"). The setup shows the minesweeper moving on the water surface with a cable extending from the back, holding the noisemaker underwater. The points "B" and "C" are specifically marked and depicted within the contextual setup of the towing operation.
---
(a) \( V_m = \)
[Input box for answer in m/s]
(b) \( D_p = \)
[Input box for answer in N]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4d28501e-1c5f-4efa-85fa-2c5e871bb9df%2Fd525eabb-d78a-4e95-b23c-9c4049c658c9%2Fp4w4uqg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Noisemaker Drag Force Study
As shown in the figure below, a “noisemaker” B is towed behind a minesweeper A to set off enemy acoustic mines such as at C. The drag force of the noisemaker is to be studied in a water tunnel at a 1/6 scale model (model 1/6 the size of the prototype). The drag force is assumed to be a function of the speed of the ship, the density and viscosity of the fluid, and the diameter of the noisemaker.
(a) If the prototype towing speed is 3 m/s, determine the water velocity in the tunnel for the model tests.
(b) If the model tests of part (a) produced a model drag of 900 N, determine the drag expected on the prototype.
#### Diagram Explanation
The diagram illustrates a minesweeper (identified as "A") towing a noisemaker (identified as "B") through the water. The noisemaker is intended to trigger enemy acoustic mines (represented as "C"). The setup shows the minesweeper moving on the water surface with a cable extending from the back, holding the noisemaker underwater. The points "B" and "C" are specifically marked and depicted within the contextual setup of the towing operation.
---
(a) \( V_m = \)
[Input box for answer in m/s]
(b) \( D_p = \)
[Input box for answer in N]
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