Chemical Engineering. This is for question 13 only.\\ A stream of water at 15 de
ID: 897151 • Letter: C
Question
Chemical Engineering. This is for question 13 only.
A stream of water at 15 degree C is discharged from a circular nozzle, travels in a horizontal direction, hits a flat wall oriented normal to the stream and falls directly to the ground The nozzle has a diameter of 10 mm and the water leaves the nozzle with a flat profile at a velocity of 6 m/s. Find the force necessary to support the wall Neglect air drag on the jet. A Newtonian fluid flows through a circular pipe at a steady rate The fluid has a flat velocity profile at the pipe inlet but by the time the fluid gets to the outlet the profile has change to the standard parabolic profile Does this change in velocity profile have any effect on the flow rate of momentum? Another way of asking this question is to ask if the amount of momentum flowing out of the pipe is equal to the amount flowing in Derive the equation expressing the momentum change, if any, in terms of the usual variables. Water at 60 degree F flows into a horizontal. 1-in pipe cross fitting with an inlet pressure of 10 psig The inlet rate is 30 gal/min and the outlet rate for each opening is 10 gal/mm Assuming frictional losses to be negligible. find the resultant mechanical force necessary to support the fitting.Explanation / Answer
Pressure = Force / Area
We also know that
Flow rate * Area = constant
= 30 gal/mi * A1 = 10 gal/min * A2
= 3A1 = A2
The force is constant everywhere so
Pressure = Force / Area
= 10psig * 3A1 = Force
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