Principles of Fluid Mechanics #2

Principles of Fluid Mechanics #2 - to about 7m so we get an...

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Principles of Fluid Mechanics CIE 327 - Fall 2011 Name: Dan Aiello Personal No.: 2 Homework Assignment No.: 2 Assigned Date: 9/9/11 Due Date: 9/16/11 Homework Total Points: Earned Points:
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Problem 1(2.68. page 80) Find the force P If a cylinder 4m in diameter and 10m long has water on the left of it up to the 4m and oil (S=.86) up to 2m on the right. Equations- Solution:
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Problem 2 (2.71. page 80) What force P will hold a 4m wide quarter circle gate with a radius of 3m shut if it is holding back 9m deep of water back. Equations- Solutions:
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Problem 3(2.78. page 81) Predict the draft on a 3m wide barge that weighs a total amount of 270kN. A-in water b-in sea water(S=1.03) Equations- Solution- Now we must assume that because the submerged volume is less than the actual volume of the barge (42). So now the length of this barge is getting smaller and we will use this to calculate the cross sectional area. So we can assume the length is changing from 8m
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Unformatted text preview: to about 7m so we get an area of 21. For sea water We can assume because this is a smaller submerged volume that the area is going to get a smaller and instead of using 7m we will use 6.5m. Problem 4(2.79. page82) Calculate the specific weight and volume of an object if it weighs 100N in air and 25N when submerged in water. Equations- Solution: Problem 5(2.85. page82) What is the density, specific weight and specific gravity of an object if it weighs 50N in air and a force of 10N holds it down. Equations- Problem 6(2.87. page82) A hydrometer has a mass with no mercury in it of .01 kg its designed to sit the midpoint of its 12 cm stem. Calculate the mass of mercury needed, specific gravity of the whole stem submerged and the stem totally exposed. Equations-Solutions: A) b) C) Not answered...
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Principles of Fluid Mechanics #2 - to about 7m so we get an...

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