Calculation of external static pressure drop Job Name: AL MAZROUEI TOWERS Address : Job Title :
Estimated by: S. Anwar M. Quadri Checked by : Ref : B2
Enter: "C", for Collar "T", for Taper "L", for Elbow "D", for Duct Enter only in white cells. S. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
Location
D L D C T D C T D C T T C L L C T
Duct Elbow Duct Collar Taper Duct Collar Taper Duct Collar Taper Taper Collar Elbow Elbow Collar Taper 0 0 0 0 0 0 0 0 0 0 0
length
Eq-Len
pr. drop
(inchs) 10
(ft)
(in/100f)wg 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025
0 10 0 15 5 0 15 5 0 15 5 5 15 10 10 15 5 0 0 0 0 0 0 0 0 0 0 0
24
28
42
Pressure drop in ducts (inches WG)
pr. drop
0.000 0.003 0.000 0.004 0.001 0.001 0.004 0.001 0.001 0.004 0.001 0.001 0.004 0.003 0.003 0.004 0.001 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.035
Pressure drop in fittings S. No. Fitting Units pr. dr/unit pr. drop 1 FD 1 0.020 0.020 2 VCD 3 0.02 0.045 3 0.000 4 0.000 5 0.000 6 0.000 7 0.000 8 0.000 9 0.000 10 0.000 11 0.000 12 0.000 13 0.000 14 0.000 15 0.000 16 0.000 17 0.000 18 0.000 19 0.000 20 0.000 21 0.000 22 0.000 23 0.000 0.065 Pressure drop in fittings (in- WG) 0.100 Total pr. drop in system (in -WG) Safety Factor ( %) 20 0.120 Total pr. dr in sys (in WG) incl SF 0 Total pressure drop (Pa) 29.900
Assuming equal friction over the system. For suggestions:
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