In a chemical processing system, the flow of glycerin at 60 ° F (sg = 1.24 ) in a copper tube must remain laminar with a Reynolds number approximately equal to but not exceeding 300 . Specify the smallest standard Type K copper tube that will carry a flow rate of 0.90 f t 3 / s . Then, for a flow of 0.90 f t 3 / s in the tube you specified, compute the pressure drop between two points 55.0 ft apart if the pipe is horizontal.
In a chemical processing system, the flow of glycerin at 60 ° F (sg = 1.24 ) in a copper tube must remain laminar with a Reynolds number approximately equal to but not exceeding 300 . Specify the smallest standard Type K copper tube that will carry a flow rate of 0.90 f t 3 / s . Then, for a flow of 0.90 f t 3 / s in the tube you specified, compute the pressure drop between two points 55.0 ft apart if the pipe is horizontal.
Solution Summary: The author describes the standard type K copper tube. The pressure between the two points is 59320.348 and the Reynolds number is equal to 300.
In a chemical processing system, the flow of glycerin at
60
°
F (sg =
1.24
) in a copper tube must remain laminar with a Reynolds number approximately equal to but not exceeding
300
. Specify the smallest standard Type K copper tube that will carry a flow rate of
0.90
f
t
3
/
s
. Then, for a flow of
0.90
f
t
3
/
s
in the tube you specified, compute the pressure drop between two points
55.0
ft apart if the pipe is horizontal.
Water discharge flow rate of 0.001 m3/s is delivered through the 30 mm cast iron pipe? €=0.15
Calculate the total losses in the pipe
For minor losses, take K for the
Entrance: 0.3
Exit: 0.5
Valve 1.8
the pipe Length L_687 m
Flow In Closed Conduits
4. Water flows at 70F flows in a 6-in. diameter new galvanized iron pipe at a rate of 0.95 cfs and is 570 ft long. (a) Calculate the heat lost due to friction. (b) What pressure must be maintained at point ‘A’ if the pressure at point ‘B’, which is 47.5 ft higher than point ‘A’, is 35 psi?
Answers: (a) ______________________________(b) _______________________________
A2: FLUID FLOW, FLOW RATE & PRESSURE DROPProblem:5. Determine the average velocity in ft/s for water flow in a 20 mm diameter copper tube (21.4 mm outside diameter and 19.9 mm inside diameter) carrying water at a volumetric flow rate of 40 L/min.
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