Problem #4If the pressure difference between points 1 and 2 is 25 psi, whatwill be the flow rate? The pipes are galvanized iron with0.0005 ft. Take v =1.06 × 10−5 ft²/s and neglectKis=minor losses.10 in. dia1.2000 ft, 8 in. diaAB1600 ft, 6 in. diaс2.800 ft, 10 in. dia- Step 1: Determine the given variableGiven:Pressure difference between points 1 and 2 is 25 psiKs =0.0005 ftv=1.06*10-5ft²/sStep 2: Calculate the mass flow rateFriction losses:10.68L*Q1.852C1.852D4.87losses reamins the same in parallel pipes(hp) A = (h₂) Bh₂=10.68L AC1.852 + |*DAremove the common things2000*12 1.852=*QA84.874.871.852=QA*QA1600*1264.870.959*Q₁1.852= 3.116*Qg1.8521.852=1.8523.1160.959Q1.852=3.249*Q¹1.8*QB10.68L B1.852 4.87'DB1.852.*QB1.852mass flow rate remains constantQ₁ = QA+QB = Qc = Q₂1.852Applying bernoullis equation between 1 and 2P₂ V₂²pgP₁ v₁²+ +2₁=pg2gZ₁ = 2₂V₁ = V₂Q₁ = Q₂P₁-P₂pg= (h₂)₂ + (1₂) g + (h₂) c25*6894.757*39.371000*9.81691.759 =2g- +2₂+(1₂) ₁-210.68LAC1.852 DA10.68 2000*12*3.25 Qg¹C1.85284.87691.759 *1291.852=3.119 Qg"10.68QB-73373.209 1.852Q=423.818 in ³/secflow rate:QA+Q8=2.89 QB4.87=1.852 +3.116 QQ1.8521.8521.852525044.0109-Q1.852 (3.119+3.116+0.9208)525044.0109(3.119+3.116+0.9208)Q1.852=73373.209flow rate=2.89*423.818 (0.000578)flow rate=0.707 cfs.10.68LcC1.852 DC1600*12*Q1.852 800*12*(Q+Q)1.85264.87104.8710.68L BC1.852 D4.871.852+"QB1.852 +0.129 (1.89+1)1.852 Qg¹.1.8524.87*Qc

The objective of the problem is to determine the flow rate in a pipe system with known pressure…

Problem #4 If the pressure difference between points 1 and 2 is 25 psi, what will be the flow rate? The pipes are galvanized iron with k, = 0.0005 ft. Take v = 1.06 × 10-5 ft²/s and neglect minor losses. 10 in. dia 2000 ft, 8 in. dia A B 1600 ft, 6 in. dia C 800 ft, 10 in. dia- 2.

Problem #4 If the pressure difference between points 1 and 2 is 25 psi, what will be the flow rate? The pipes are galvanized iron with k, = 0.0005 ft. Take v = 1.06 × 10-5 ft²/s and neglect minor losses. 10 in. dia 2000 ft, 8 in. dia A B 1600 ft, 6 in. dia C 800 ft, 10 in. dia- 2.

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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