The plunger in the sketch moves at a constant speed of 2 fps. Estimate the force F necessary if there is leakage past the plunger. Assume no losses so that Bernoulli's equation may be used between the stagnant reservoir and the two exit areas.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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2.48 The plunger in the sketch moves at a constant speed of 2 fps. Estimate the force F necessary if there is leakage past the plunger. Assume no losses so that Bernoulli's equation may be used between the stagnant reservoir and the two exit areas.

Solution: 44.7 lbs

The image shows a diagram of a fluid flow setup with varying diameters. It is labeled "Prob. 2.48."

**Description of Diagram:**

- A fluid flows from left to right through a pipe with a diameter of 1 inch.
- The pipe narrows into a throat section where the diameter is reduced to 0.997 inches.
- After the throat, the pipe further narrows to a diameter of \( \frac{1}{8} \) inch.
- The flow is indicated by an arrow pointing to the right, labeled with "F".

This type of diagram is typically used to illustrate concepts in fluid dynamics, such as changes in velocity and pressure as fluid flows through varying cross-sectional areas, possibly referencing the continuity equation or Bernoulli’s principle.
Transcribed Image Text:The image shows a diagram of a fluid flow setup with varying diameters. It is labeled "Prob. 2.48." **Description of Diagram:** - A fluid flows from left to right through a pipe with a diameter of 1 inch. - The pipe narrows into a throat section where the diameter is reduced to 0.997 inches. - After the throat, the pipe further narrows to a diameter of \( \frac{1}{8} \) inch. - The flow is indicated by an arrow pointing to the right, labeled with "F". This type of diagram is typically used to illustrate concepts in fluid dynamics, such as changes in velocity and pressure as fluid flows through varying cross-sectional areas, possibly referencing the continuity equation or Bernoulli’s principle.
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