Determine the pressure at point C in psi.Determine the pressure at point D in psi.Determine the flow rate in cfs.Determine the velocity at the pipe with 18 inches diameter in ft/s. Oil (sg-0.87) flows from A to E as shown. The head loss is assumed to be as follows: A to B - 0.45 vis/2g : B to C-8.75 v1s/28 : C to D- 0.12 vis/28:D to E - 9 vs/2g. The diameter from B to D is 18 inches and diameter from D toE is 8 inches.

##Calculation for pressure at C and D , and Flow rate and velocity in pipe of dia 18 inch##

Answered: Determine the pressure at point C in…

Determine the pressure at point C in psi. Determine the pressure at point D in psi. Determine the flow rate in cfs. Determine the velocity at the pipe with 18 inches diameter in ft/s.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Determine the pressure at point C in psi.

Determine the pressure at point D in psi.

Determine the flow rate in cfs.

Determine the velocity at the pipe with 18 inches diameter in ft/s.

Oil (sg-0.87) flows from A to E as shown. The head loss is assumed to be as follows: A to B - 0.45 vis/2g : B to C-
8.75 v1s/28 : C to D- 0.12 vis/28:D to E - 9 vs/2g. The diameter from B to D is 18 inches and diameter from D to
E is 8 inches.

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Water flows in a steel pipe (e = 0.00020 feet) at a flow Q = 12.5 cfs. The diameter of the pipe is D = 18 inches and the length of the pipe is L = 2,500 feet between section 1 and section 2. The elevation at section 1 is z = 100 feet above the datum. The elevation at section 2 is z2 = 75 feet above the datum. The temperature of the water is 70°F. The kinematic viscosity of the water is 1.06 x 10° ft/s. The pressure at section 1 is p1 = 90 psig (pounds per square inch gage). a) Determine the velocity v in feet per second (fps). b) Determine the Reynolds number Re. c) Classify the flow based on the Reynolds number Re. d) Determine the Darcy-Weisbach friction factor f. e) Determine the friction head loss hfäic in feet in the pipe between section 1 and section 2. f) Determine the pressure p2 in psiq at section 2.
8.7