Elev. 1,000 ft Energy grade line 10 ft Hydraulic grade line F G H 200 ft 380 ft 10 ft + Elev. 950 ft V₁₂ +21 +22+hy+ΣhLm 2g Y 2g P1 γ + V 0.1 2g 2g 0+0+1000=0+0+950+ hi; + him. 50 = hyΣhLm fLV2 600 V2 hy -f- = 9.32ƒv2 D2g (12/12) 2 x 32.2 P h=Kc V/28 D₁ 0 V₂ KE V/2g V₁ - D₁ D2 KE V/2g Vanes P hance+how+Elbow + horaire + exit V2 Ke 28 +2Kelbow 2g 2g 1/2 V2 +Kvalve + 2g 2g V² = (Ke+2Kelbow + Kvalve +1) 1 2g V2 = 50 (0.5+2x0.25+1.5 +1.0): +9.32fV2 2g 50=3.5 +9.32f v² 2g 50 (0.054+9.32f)v² V√50/(0.054+9.32ƒ) V 50/(0.054+9.32 x 0.0165) V = 15.51 ft/s VD 15.51 x 1 Ra 0.609x10-52.55 x 10 QAV = [(12/12)/4](15.51 ft/s) = 12.18 ft³/s Resistance coefficient, D32 (2ghy) 103 2 46 8104 2 468105 2 0.100 4 6 8 10 2 0.090 Complete turbulence, rough pipes 0.080 0.070 0.060 0.050 0.040 0.030 0.025 0.020 0.015 1111 64 Re Boundary material In millimeters O, plastic Smooth Copper or brass tubing 1.5x10 Equivalent sand roughness, (Inte (Smooth) 5-10 Wrought iron, steel 48x10 Asphated cast iron 0.12 (1.510) (4x10) Smooth pipe Galvanized in 0.15 Cast Concrete 0.26 0.3 to 3.0 (5x10 (8510) (101010-) وايد 0.05 0.04 0.03 0.02 0.015 0.01 0.008 0.006 0.004 0.002 0.001 0.0008 0.0006 0.0004 0.0002 0.0001 0.00005 0.010 0.009 0.00001 0.008 103 2 4 68104 2 4 6 8105 2 4 68106 2 4 68107 2 46 8108 VD R₁ = Relative roughness,