Embed Size (px)
DESCRIPTION
Pressure drop
Citation preview
DUCTWORK PRESSURE LOSS CALCULATION
SectionSystem: Duct size (mm) (or) Equiv.
Ductwork Element W x H Dia Dia (mm)
1-2 Bend (r/w-1, w/h-1.09) 840.0 x 1850.00 1406.9889
1-2 Duct 840.0 x 1850.00 1406.9889
1-2 FCD (1, 10deg) 840.0 x 1850.00 1406.9889
1-2 NRD 840.0 x 1850.00 1406.9889
1-2 Entry (Qr-0.9) 840.0 x 1850.00 1406.9889
3-4 Plenum Duct 2500.0 x 1500.00 2185.6509
4-5 Transition (53 deg, 0.704) 2200.0 x 1200.00 1833.8640
4-5 Duct 2200.0 x 1200.00 1833.8640
5-6 Transition (13 deg, 0.978) 1800.0 x 1500.00 1854.5863
5-6 Bend (1500/1800, 1800/1800) re 1 1800.0 x 1500.00 1854.5863
5-6 Duct after 3 diffuser release 1800.0 x 1500.00 1854.5863
5-6 Duct after 7 diffuser release 1800.0 x 1500.00 1854.5863
5-6 Duct after 11 diffuser release 1800.0 x 1500.00 1854.5863
7-8 Exit (0.1333, 0.1333) 600.0 x 600.00 677.1992
7-8 Duct after 13 diffuser release 600.0 x 600.00 677.1992
7-8 Bend (600/600), (600/600) 600.0 x 600.00 677.1992
7-8 Duct after 14 diffuser release 600.0 x 600.00 677.1992
Neck Exit (Qr-0.5, Ar-0.1333) 600.0 x 600.00 677.1992
Neck Sub Duct 600.0 x 600.00 677.1992
Neck FCD 600.0 x 600.00 677.1992
Neck Diffuser 600.0 x 600.00 677.1992
SUPPLY TOTAL
MARGIN 10%
TOTAL
DUCTWORK PRESSURE LOSS CALCULATION
Flow (CFM) Flow (m3/s)
Velocity Vp Fitting
F factor
Length Loss
(m/s) (Pa) "k" (m) (Pa)
30000.000 14.15842 9.11095 49.80570 0.210 10.4592030000.000 14.15842 9.11095 49.80570 0.01260 2.750 1.2304330000.000 14.15842 9.11095 49.80570 0.300 14.9417130000.000 14.15842 9.11095 49.80570 0.300 14.9417130000.000 14.15842 9.11095 49.80570 0.100 4.9805760000.000 28.31685 7.55116 34.21200 0.01130 11.400 2.0227740800.000 19.25546 7.29373 31.91913 0.060 1.9151540800.000 19.25546 7.29373 31.91913 0.01170 12.221 2.4965640800.000 19.25546 7.13165 30.51626 0.040 1.2206538078.390 17.97100 6.65593 26.58081 0.210 5.5819732638.390 15.40360 5.70504 19.52848 0.01220 1.200 0.1546421760.000 10.26958 3.80355 8.68018 0.01310 2.200 0.1353110880.000 5.13479 1.90177 2.17005 0.01490 2.050 0.035855440.000 2.56739 7.13165 30.51626 0.320 9.765205440.000 2.56739 7.13165 30.51626 0.01410 5.500 3.505605440.000 2.56739 7.13165 30.51626 0.210 6.408412720.000 1.28370 3.56583 7.62907 0.01610 3.540 0.644092720.000 1.28370 3.56583 7.62907 0.320 2.441302720.000 1.28370 3.56583 7.62907 0.01610 2.300 0.418482720.000 1.28370 3.56583 7.62907 0.180 1.373232720.000 1.28370 3.56583 7.629 1.000 7.62907
SUPPLY TOTAL 92.30190
MARGIN 10% 9.23019
TOTAL101.53209
2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook Fundamentals2009 Ashrae Handbook Fundamentals2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook Fundamentals2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook Fundamentals
2009 Ashrae Handbook FundamentalsGrille / Diffuser catalogue
