fan static pressure calculation_vf-g-01
DESCRIPTION
static pressure calculation for ventilation fanTRANSCRIPT
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Paul Y. (E & M) Contractors Limited
Project Name : RE-PROVISION OF KENNEDY TOWN SWIMMING POOL (PHASE 2)
Project No. : MTR 713
Service : AIR CONDITIONING
Subject : KENNEDY TOWN SWIMMING POOL (PHASE 2) FAN STATIC PRESSURE CALCULATION
Fan Designation : VF-G-01
Fan Location : (G/F,17-18/C-D)
SectionAirflow
(m3/s)
Fitting
TypeH/W Ao/AI AI/Ao
Ab/Ac or
As/Ac
Qb/Qc or Qs/Qc
(Diverging)
Qb/Qc or Qs/Qc
(Converging)
Qty.
(Nos.)K Value
Length
(m)
DP/m
(Pa)
Velocity
(m/s)
Velocity
Pressure
(Pa)
Fitting
P
(Pa)
Duct DP
(Pa)
SDP
(Pa)Remarks
1 6.11 3500 1000 External Louver 1 1.7 55.0 55.0 Technical Data From Supplier
6.11 3500 1000 VCD 1 0.52 0.02 1.7 1.8 1.0 0.00 1.0 2005 ASHRAE 35.56 CR9-4
6.11 3500 1000 FLD 1 0.19 0.02 1.7 1.8 0.3 0.00 0.3 2005 ASHRAE 35.56 CR9-6
6.11 3500 1000 Duct 0.5 0.02 1.7 0.0 0.01 0.0
6.11 3500 1000 Transition 2.92 1 0.40 0.00 1.7 1.8 0.7 0.00 0.7 2005 ASHRAE 35.57 ER4-1
6.11 1000 1200 Elbow 1.20 1 0.05 0.00 5.1 15.6 0.8 0.00 0.8 2005 ASHRAE 35.52 CR3-3
6.11 1000 1200 Duct 1.6 0.19 5.1 0.0 0.30 0.3
2 6.11 1000 1200 Elbow 1.20 1 0.05 0.00 5.1 15.6 0.8 0.00 0.8 2005 ASHRAE 35.52 CR3-3
6.11 1000 1200 Duct 5.5 0.19 5.1 0.0 1.05 1.0
6.11 1000 1200 FLD 1 0.19 0.19 5.1 15.6 3.0 0.00 3.0 2005 ASHRAE 35.56 CR9-6
3 6.11 1000 1200 Elbow 1.20 1 0.05 0.00 5.1 15.6 0.8 0.00 0.8 2005 ASHRAE 35.52 CR3-3
6.11 1200 1000 Duct 10.5 0.19 5.1 0.0 1.99 2.0
6.11 1200 1000 Elbow 0.83 1 0.05 0.00 5.1 15.6 0.8 0.00 0.8 2005 ASHRAE 35.52 CR3-3
6.11 1200 1000 Duct 3.7 0.19 5.1 0.0 0.70 0.7
6.11 1200 1000 45 Deg Elbow 0.83 1 0.03 0.00 5.1 15.6 0.5 0.00 0.5 2005 ASHRAE 35.52 CR3-3
6.11 1200 1000 Duct 1.4 0.19 5.1 0.0 0.26 0.3
6.11 1200 1000 45 Deg Elbow 0.83 1 0.03 0.00 5.1 15.6 0.5 0.00 0.5 2005 ASHRAE 35.52 CR3-3
6.11 1200 1000 Duct 0.5 0.19 5.1 0.0 0.10 0.1
6.11 1200 1000 Transition 0.99 1 0.00 0.00 5.1 15.6 0.1 0.00 0.1 2005 ASHRAE 35.57 ER4-1
6.11 1100 1100 Duct 0.7 0.18 5.0 0.0 0.12 0.1
4 6.11 1100 1100 Elbow 1.00 1 0.05 0.00 5.0 15.3 0.8 0.00 0.8 2005 ASHRAE 35.52 CR3-3
6.11 1100 1100 Duct 1.0 0.18 5.0 0.0 0.18 0.2
6.11 900 900 Branch T 0.67 1.00 1 0.47 0.51 7.5 34.1 15.9 0.00 15.9 2005 ASHRAE 35.63 SR5-13
6.11 900 900 Duct 0.51 7.5 0.0 0.00 0.0
5 6.11 900 900 Elbow 1.00 1 0.05 0.00 7.5 34.1 1.7 0.00 1.7 2005 ASHRAE 35.52 CR3-3
6.11 900 900 Duct 4.0 0.51 7.5 0.0 2.04 2.0
6 6.11 900 900 Branch T 1.00 1 0.91 0.51 7.5 34.1 31.1 0.00 31.1 2005 ASHRAE 35.58 ER5-3
6.11 900 900 Duct 0.3 0.51 7.5 0.0 0.17 0.2
6.11 900 900 45 Deg Elbow 1.00 1 0.03 0.00 7.5 34.1 1.0 0.00 1.0 2005 ASHRAE 35.52 CR3-3
6.11 900 900 Duct 0.3 0.51 7.5 0.0 0.16 0.2
6.11 900 900 45 Deg Elbow 1.00 1 0.03 0.00 7.5 34.1 1.0 0.00 1.0 2005 ASHRAE 35.52 CR3-3
6.11 900 900 Duct 0.2 0.51 7.5 0.0 0.11 0.1
6.11 900 900 Elbow 1.00 1 0.05 0.00 7.5 34.1 1.7 0.00 1.7 2005 ASHRAE 35.52 CR3-3
6.11 900 900 Duct 1.0 0.51 7.5 0.0 0.51 0.5
6.11 900 900 Elbow 1.00 1 0.05 0.00 7.5 34.1 1.7 0.00 1.7 2005 ASHRAE 35.52 CR3-3
6.11 900 900 Duct 0.2 0.51 7.5 0.0 0.11 0.1
6.11 900 900 Silencer 1 7.5 75.0 75.0 M&W Spec. 10.1.4
6.11 900 900 Transition 3.29 1 0.52 0.00 7.5 34.1 17.8 0.00 17.8 2005 ASHRAE 35.57 ER4-3
7 6.11 560 DIA FAN
6.11 900 900 Transition 3.29 1 5.79 0.00 7.5 34.1 197.6 0.00 197.6 2005 ASHRAE 35.61 SR4-3
6.11 900 900 Silencer 1 7.5 75.0 75.0 M&W Spec. 10.1.4
6.11 900 900 Duct 1.0 0.51 7.5 0.0 0.51 0.5
8 6.11 900 900 Branch T 1.00 1 0.91 0.51 7.5 34.1 31.1 0.00 31.1 2005 ASHRAE 35.58 ER5-3
6.11 900 900 Duct 1.0 0.51 7.5 0.0 0.51 0.5
6.11 900 900 MOD 1 0.52 0.51 7.5 34.1 17.8 0.00 17.8 2005 ASHRAE 35.56 CR9-3
6.11 900 900 Elbow 1.00 1 0.05 0.00 7.5 34.1 55.0 0.00 55.0 2005 ASHRAE 35.52 CR3-3
6.11 900 900 Duct 0.2 0.51 7.5 0.0 0.11 0.1
6.11 4100 700 Transition 3.54 1 5.40 0.00 2.1 2.7 14.7 0.00 14.7 2005 ASHRAE 35.61 SR4-1
6.11 4100 700 VCD 1 0.52 0.03 2.1 2.7 1.4 0.00 1.4 2005 ASHRAE 35.56 CR9-4
9 6.11 4100 700 External Louver 1 2.1 55.0 55.0 Technical Data From Supplier
Sub Total : 668
Safety Factor 15% : 100
Total Pressure (Pa): 769
Selected Total Pressure (Pa): 770
Calculated by : Leslie Zhao
Checked by: Ivan Tong
Duct Size
W(mm) x D(mm)