MET330_Unit 2 Review Assignment_2.3_l

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ECPI University, Virginia Beach *

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Mechanical Engineering

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Feb 20, 2024

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MET330 20xx0xE Applied Fluid Mechanics Instructor: Francie Baker Week 2 Review Assignment - 2 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. Type your name here Gabriel Blakely Date: 1/31/24 Review Assignment Problems Page 1
NOTE: Handwritten work is not acceptable. All work must be typed and submitted on a Word Document. a. Identify and list all variables from the problem. b. W rite the equation(s) you will use that are found in the textbook . Do not use any other equations. c. S ubstitute your variables into the equation. YOU MUST INCLUDE UNITS IN ALL PLACES OF YOUR EQUATIONS. ( m 2 , N m 3 , m s 2 ,kg, psi ,etc ) d. 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. e. Clearly identify your answer with correct units . CORRECT METHOD: p = γ liquid g = 2000 N m 2 9.81 m s 2 = 203.874 kg m 3 p = γ liquid g = 2000 N / m 3 9.81 m / s 2 = 203.874 kg / m 3 INCORRECT METHOD: p2 = (W * a)/g + p1 = a^2 - Ap – μ = 0 Page 2
8.1. A 4-in-ductile iron pipe carries 0.20 ft 3 /s of glycerin (sg = 1.26) at 100 F. Is the flow laminar or turbulent? Known values: Governing equations: Calculations: 8.3. Calculate the maximum volume flow rate of fuel oil at 45 C at which the flow will remain laminar in a DN 100 Schedule 80 steel pipe. For the fuel oil, use sg = 0.895 and dynamic viscosity = 4.00 x 10 -2 Pa∙s. Known values: Page 3
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Governing equations: Calculations: 8.9. Benzene (sg = 0.86) at 60 C is flowing at 25 L/min in a DN 25 Schedule 80 steel pipe. Is the flow laminar or turbulent? Known values: Governing equations: Page 4
Calculations: 8.27. Crude oil is flowing vertically downward through 60 m of DN 25 Schedule 80 steel pipe at a velocity of 0.64 m/s. The oil has a specific gravity of 0.86 and is at 0 C. Calculate the pressure difference between the top and bottom of the pipe. Known values: Governing equations: Page 5
Calculations: 8.28. Water at 75 C is flowing in a standard hydraulic copper tube, 15mm OD x 1.20mm wall, at a rate of 12.9 L/min. Calculate the pressure difference between two points 45m apart if the tube is horizontal. Known values: Governing equations: Page 6
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Calculations: 9.1. Compute points on the velocity profile from the pipe wall to the centerline of a 2-in Schedule 40 steel pipe if the volume flow rate of castor oil at 77 F is 0.25 ft 3 /s. Known values: Page 7
Governing equations and Calculations: Page 8