MET330 20xx0xE Applied Fluid Mechanics

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Week 4 Review Assignment




I pledge to support the Honor System of ECPI. I will refrain from any form of academic dishonesty or deception, such as cheating or plagiarism. I am aware that as a member of the academic community, it is my responsibility to turn in all suspected violators of the honor code.

I understand that any failure on my part to support the Honor System will be turned over to a Judicial Review Board for determination. I will report to the Judicial Review Board hearing if summoned.

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NOTE: Handwritten work is not acceptable. All work must be typed and submitted on a Word Document.

Identify and list all variables from the problem.

Write the equation(s) you will use that are found in the textbook. Do not use any other equations.

Substitute your variables into the equation. YOU MUST INCLUDE UNITS IN ALL PLACES OF YOUR EQUATIONS.

You must show all of your work, even “simple” calculations. During your calculations, please use 3 decimal places or 3 significant decimal places. This does not apply to financial cost calculations.

Clearly identify your answer with correct units.





INCORRECT METHOD: p2 = (W * a)/g + p1 = a^2 – Ap – μ = 0


Compute the hydraulic radius for the section shown in the figure below if water flows at a depth of 2.0 inches. The section is that of a rain gutter for a house.

Problem 2

Compute the hydraulic radius for a circular drain pipe running half full if its inside diameter is 300 mm.

Problem 3

Calculate the force required to hold a flat plate in equilibrium perpendicular to the flow of water at 25 m/s issuing from a 0.075m diameter nozzle.

Problem 4

Calculate the force that must be exerted on the pipe shown to hold it in equilibrium. The elbow is in a horizontal plane and is connected to two 4-in Schedule 40 pipes carrying 3500 L/min of water at 15°C. The inlet pressure is 500 kPa. Energy losses are negligible. (Hint. This problem is similar to Example Problem 16.3 found in the textbook on page 423)   

Figure for Problem 4