Sheet1
Velocity Profile
Radius r (mm) Velocity U (m/s)
0 XXXXXXXXXX
Given Data 4 XXXXXXXXXX
Q = 3 L/min 8 XXXXXXXXXX
OD = 125 mm 12 XXXXXXXXXX
t = 7.4 mm … …
ν = 4.22E-07 m2/s … …
Processed Data … …
Q = 0.00005 m3/s … …
ID = 0.1102 m … …
ro = 55.1 mm … …
A = XXXXXXXXXX m2 … …
v = XXXXXXXXXX m/s … …
NR = XXXXXXXXXX Laminar … …
Sheet2
Velocity Profile
Radius r (mm) Velocity U (m/s)
0 XXXXXXXXXX
Given Data 4 XXXXXXXXXX
Q = 3 L/min 8 XXXXXXXXXX
OD = 125 mm 12 XXXXXXXXXX
t = 7.4 mm 16 XXXXXXXXXX
ν = XXXXXXXXXX m2/s 20 XXXXXXXXXX
Processed Data 24 XXXXXXXXXX
Q = 0.00005 m3/s 28 XXXXXXXXXX
ID = 0.1102 m 32 XXXXXXXXXX
ro = 55.1 mm 36 XXXXXXXXXX
A = XXXXXXXXXX m2 40 XXXXXXXXXX
v = XXXXXXXXXX m/s 44 XXXXXXXXXX
NR = XXXXXXXXXX Laminar 48 XXXXXXXXXX
52 XXXXXXXXXX
55.1 0
MET330 20xx0xE Applied Fluid Mechanics
Instructor: Instructors name
Unit 2 Software Problem Assignment – 1a
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 XXXXXXXXXX_________________________
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Date:
Software Problem Assignment
a. Identify and list all variables from the problem. Include all units.
. Write the equation(s) you will use that are found in the textbook. Do not use any other equations.
c. Clearly identify your answer with co
ect units.
Your Velocity Profile should look like the image below.
PROBLEM 1a
Design an Excel spreadsheet for computing points on the velocity profile in a pipe for laminar flow using the equation Eq. (9–1)
Where,
U = local velocity at radius r (m/s),
o = maximum radius (mm)
v = average velocity (m/s)
The average velocity will be calculated from the volume flow rate Q (L/min) and the dimensions of the pipe, namely, the outside diameter OD and the thickness t.
Then, plot the curve for velocity versus radius. Use radial increment of 4.00mm and make sure to include the centerline as the last number.
Use this spreadsheet to solve problem 1a (9.3 in the textbook. NOTE: Increments changed from 8.00mm to 4.00mm).
Problem 1a:
Compute points on the velocity profile from the tube wall to the centerline of a plastic pipe, 125mm OD × 7.40mm wall, if the volume flow rate of gasoline (sg = 0.68) at 25C is 3.0 L/min. Use increments of 4.00mm and include the velocity at the centerline.
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