VisCosity, odel tests run in a laboratory using water in a 0.2-ft-diameter pipe yield the Ty vs. Q data shown in Figure b. Perform a dimensional analysis and use model data to predict the wall shear stress in a 0.3-ft- ameter pipe through which water flows at the rate of 1.5 ft/s. 0.7 I 0.6 2 0.5 Diameter D 0.4 Model data (a) 0.3 0.2 0.1 1.5 Flowrate, Q. ft'is 0.5 2 (b) Ib/ft2 Wall shear stress, r, Ibft?

Elements Of Electromagnetics
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Assume that the wall shear stress, Tw, created when a fluid flows through a pipe (see Figure a) depends on the pipe diameter, D, the flowrate, Q, the fluid density, p, and the kinematic viscosity, v. Some
model tests run in a laboratory using water in a 0.2-ft-diameter pipe yield the Tw vs. Q data shown in Figure b. Perform a dimensional analysis and use model data to predict the wall shear stress in a 0.3-ft-
diameter pipe through which water flows at the rate of 1.5 ft3/s.
0.7
Diameter = D
0.6
2 0.5
0.4
Model data
(a)
0.3
0.2
0.1
0.5
1.5
Flowrate, Q, ft/s
(b)
Tw
Ib/ft2
Wall shear stress, T,, Ib/ft?
n * m N -
Transcribed Image Text:Assume that the wall shear stress, Tw, created when a fluid flows through a pipe (see Figure a) depends on the pipe diameter, D, the flowrate, Q, the fluid density, p, and the kinematic viscosity, v. Some model tests run in a laboratory using water in a 0.2-ft-diameter pipe yield the Tw vs. Q data shown in Figure b. Perform a dimensional analysis and use model data to predict the wall shear stress in a 0.3-ft- diameter pipe through which water flows at the rate of 1.5 ft3/s. 0.7 Diameter = D 0.6 2 0.5 0.4 Model data (a) 0.3 0.2 0.1 0.5 1.5 Flowrate, Q, ft/s (b) Tw Ib/ft2 Wall shear stress, T,, Ib/ft? n * m N -
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