Considering flow of an incompressible fluid through a long, horizontal section of round pipe, the pressure drop Ap along the pipe is known to be dependent on pipe length L, inner pipe diameter D, the height of the wall

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Considering flow of an incompressible fluid
through a long, horizontal section of round
pipe, the pressure drop Ap along the pipe is
known to be dependent on pipe length L,
inner pipe diameter D, the height of the wall
roughness ɛ, fluid velocity V, fluid density p,
and viscosity u.
If air flows at a velocity of 4.42 m/s through
a pipe of inner diameter of 0.3 m, what
would be the velocity of water through a
pipe of inner diameter of 0.03 m if the two
flows are dynamically similar?
Air properties: pair = 1.225 kg/m³, µair =
1.789 x 10-5 kg/m.s
Water properties: pwater = 1000 kg/m³,
%3D
uwater = 0.001 kg/m.s
Select one:
O a. 3.92 m/s
O b. 1.98 m/s
O c. 3.42 m/s
O d. 3.02 m/s
Transcribed Image Text:Considering flow of an incompressible fluid through a long, horizontal section of round pipe, the pressure drop Ap along the pipe is known to be dependent on pipe length L, inner pipe diameter D, the height of the wall roughness ɛ, fluid velocity V, fluid density p, and viscosity u. If air flows at a velocity of 4.42 m/s through a pipe of inner diameter of 0.3 m, what would be the velocity of water through a pipe of inner diameter of 0.03 m if the two flows are dynamically similar? Air properties: pair = 1.225 kg/m³, µair = 1.789 x 10-5 kg/m.s Water properties: pwater = 1000 kg/m³, %3D uwater = 0.001 kg/m.s Select one: O a. 3.92 m/s O b. 1.98 m/s O c. 3.42 m/s O d. 3.02 m/s
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