ESP Calculation for FAHU Air Flow
Length between take-off
Duct Size
Velocity inside main duct
Section L/S
CFM
580
1229
1-2
W(mm) x H(mm) W(in) W(in) x H(in) L(m) 36
L(ft)
fpm
m/s
118.12
983.20
4.99
Vel.inside branch duct (fpm)
Fittings
Eq. fitting Total length length (ft) (ft)
Total Friction Loss
Friction loss (in wg) per 100ft of duct
1229
Pa.
450
x
250
18
x
10 10
118.12
0.100
0.118
29.411
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
0.009
2.241
450
x
250
18
x
10 10
Elbow-90-1
9.00
9.00 9.
0.100
From Ca From Carr rrie ierr ch char artt Over Over All Fricti Friction on Loss Loss throug through h duct duct Conside Considerin ring g factor factor of safety safety @ 20% SUB SUB TOT TOTAL Pressur Pressure e Loss Loss throug through h Sound Sound Atten Attenuat uator or Press Pressur ure e Loss Loss thro throug ugh h FAL FAL Pressure Pressure Loss through through VCD,Size-600x VCD,Size-600x600,Air 600,Airflowflow-1229CFM 1229CFM-1 -1 NOS,velocit NOS,velocity-1.7 y-1.7 m/sec TOTAL Fan Selected @ Abbreviations:- 1)ESP: External static pressure 2)Tee :Tee branch 3) BD=Balancing damper 4)EAG: Exhaust Air Grille 5)EAL: Exhaust Air Louver 6)FAL=Fresh Air Louver 580
in wg.
450
x
250
18
X
10
983.20
Tee-1
0.009
2.241
0.035 0.03 5 0.234 0.234 0.047 0.047 0.28 0.281 1 0.200 0.200 0.200 0.200 0.020 0.740 1.000
8.715 58.295 58.295 11.659 11.659 70.2 70.235 35 60.000 60.000 50.000 50.000 5.000 186.000 250.000
FAN REF:FRESH T2 Air Flow
Length between take-off
Duct Size
Velocity inside main duct
Section L/S
CFM
14
30
1-2
2-3
9-10
10-11
11-12
12-13 13-14
100
8
x
4
100
8
x
4
100
4
X
4
100
x
42
90
200
x
100
8
x
4
28
60
100
x
100
4
X
4
71
150
250
x
150
10
x
6
250
x
150
10
x
250
x
150
10
x
100
x
100
4
X
4
135.00
0.69 Elbow-90-1
8.4
9.2
27.56
30.19
405.00
360.00
270.00
Tee-1
540.00
Tee-1
2.00
2.06
15.09
0.100
0.015
2.00
0.100
0.002
0.498
From Carrier chart
0.012
2.988
27.56
1.83
Pa. 3.758
0.100
0.028
6.863
From Carrier chart
0.021
5.229
30.19
0.100
0.030
7.516 0.747
3.00
3.00
0.100
0.003
3.00
3.00
0.100
0.003
0.747
From Carrier chart
0.021
5.229
220
250
x
150
10
x
6
60
100
x
100
4
X
4
161
340
370
15.09
in wg.
Elbow-90-1
28
175
m/s
Total Friction Loss
Friction loss (in wg) per 100ft of duct
6
104
120
fpm
Eq. fitting Total length length (ft) (ft)
6
60
57
4.6
L(ft)
Fittings
Elbow-90-1
28
6-7
8-9
x x
30
5-6
7-8
200 200
14
3-4
4-5
W(mm) x H(mm) W(in) x H(in) L(m)
Vel.inside branch duct (fpm)
250
x
150
10
x
6
250
x
150
10
x
6
200
x
100
8
X
4
2.9
3.4
9.51
11.16
528.00 816.00
540.00
Tee-1
540.00
Tee-1
9.51
2.68 4.15 Elbow-45-1
540.00
11.16
0.103
0.011
2.861
2.00
0.103
0.002
0.513
From Carrier chart
0.021
5.229
Tee-1
x
250
10
x
10
22.31
0.100
0.022
5.555
x
250
10
x
10
Elbow-90-1
4.00
4.00
0.100
0.004
0.996
250
x
250
10
x
10
Elbow-45-1
2.00
2.00
0.100
0.002
0.498
100
4
X
4
From Carrier chart
0.012
2.988
100
x
349
740
250
x
250
10
x
10
175
370
250
x
150
10
X
6
524
1110
250
x
250
10
x
10
175
370
250
x
150
10
X
6
699
1480
300
x
250
12
x
10
175
370
250
x
150
10
X
6
3187
1850
300
x
250
12
x
10
175
370
250
x
150
10
X
6
1048
2220
300
x
300
12
x
12
175
370
250
x
150
10
X
6
1223
2590
300
x
300
12
x
12
175
370
250
x
150
10
X
6
1398
2960
350
x
350
14
x
14
175
370
250
x
150
10
X
6
3.6
3.6
3.6
3.6
3.6 3.6
3.6
11.81
11.81
11.81
11.81
11.81 11.81
11.81
532.80
2.369 5.229
250
30
22.31
0.010 0.021
250
14
6.8
2.00
0.100 From Carrier chart
1065.60
1598.40
1776.00
2220.00
2220.00
2590.00 2174.69
2.71
270.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
5.41
11.81
8.12
11.81
9.02
11.81
11.28
11.81
11.28
11.81 11.81
13.16 11.05
11.81
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
14-15
15-16
16-17
17-18
1572
3330
350
x
350
14
x
14
175
370
250
x
150
10
X
6
1747
3700
400
x
400
16
x
16
175
370
250
x
150
10
X
6
1922
4070
400
x
400
16
x
16
175
370
200
x
150
10
X
6
2011
4260
400
x
400
16
x
16
137
290
200
x
150
10
X
6
2148
4550
400
x
400
16
x
16
x
16
18-19
400
x
400
16
3.6
11.81
2446.53
11.81
12.43 888.00
3.6
11.81
2081.25
10.57
3.6
11.81
2289.38
11.63
3.6
11.81
2396.25
12.17
3.6
11.81
2559.38
13.00
Tee-1
11.81 888.00
Tee-1
11.81 888.00
Tee-1
11.81 696.00
12.00
0.013 0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.026
6.474
0.110
0.013
3.235
12.00
0.100
0.012
2.988
0.026 0.775 0.155 0.930 0.060 0.040 0.035 0.020 0.220 0.201 1.506 1.600
6.474 103.450 20.690 124.140 15.000 10.000 8.750 5.000 55.000 50.000 288.579 398.400
From Carrier chart Over All Friction Loss through duct Considering factor of safety @ 20% SUB TOTAL Pressure Loss through VCD,Size-400x400,Airflow-4550CFM-1 NOS,velocity-13m/sec Pressure Loss through FD,Size-400x400,Airflow-4550CFM-1 NOS,velocity-13 m/sec Pressure Loss through VCD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through FD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through S.A Pressure Loss through EA LOUWER TOTAL ESP Fan Selected @ Abbreviations:- 1)ESP: External static pressure 2)Tee :Tee branch 3) B D=Balancing damper 4)EAG: Exhaust Air Grille 5)EAL: Exh aust Air Louver 6)EAD=Fxhaust Air Diffuser 137
290
200
x
150
10
X
6
696.00
Tee-1
3.235
11.81
Tee-1
Elbow-90
0.110 From Carrier chart
FAN REF:FAHU T2EXTRACT Air Flow
Length between take-off
Duct Size
Velocity inside main duct
Section L/S 12
25
200
x
100
8
x
4
200
x
100
8
x
4
12
25
100
x
100
4
X
4
35
75
200
x
100
8
x
4
24
50
100
x
100
4
X
4
47
100
250
x
150
10
x
6
100
250
x
150
10
x
100
250
x
150
10
x
12
25
100
x
100
4
X
4
94
200
250
x
150
10
x
6
47
100
200
x
100
8
X
4
106
225
3-4
4-5
5-6 12
25
118
250
6-7
7-8 8-9 9-10
10-11 11-12
12-13 13-14
W(mm) x H(mm) W(in) x H(in) L(m)
25
1-2
2-3
CFM
4.6
L(ft)
fpm
15.09
112.50
m/s
Vel.inside branch duct (fpm)
Fittings
0.57 Elbow-90-1
8.4
9.2
27.56
30.19
337.50
240.00
Eq. Total Friction Loss fitting Total Friction loss (in wg) per length length (ft) 100ft of duct in wg. Pa. (ft)
225.00
Tee-1
450.00
Tee-1
2.00
1.71
15.09
0.100
0.015
2.00
0.100
0.002
0.498
From Carrier chart
0.012
2.988
27.56
1.22
3.758
0.100
0.028
6.863
From Carrier chart
0.016
3.984
30.19
0.100
0.030
7.516 0.747
6
Elbow-90-1
3.00
3.00
0.100
0.003
6
Elbow-90-1
3.00
3.00
0.100
0.003
0.747
From Carrier chart
0.012
2.988
250
x
150
10
x
6
250
x
150
10
x
6
100
x
100
4
X
4
2.9 3.4
9.51 11.16
480.00 540.00
225.00
Tee-1
450.00
Tee-1
2.44
9.51
2.74 Elbow-45-1
225.00
11.16
0.103
0.011
2.861
2.00
0.103
0.002
0.513
From Carrier chart
0.012
2.988
Tee-1
x
200
10
x
8
22.31
0.100
0.022
5.555
x
200
10
x
8
Elbow-90-1
4.00
4.00
0.100
0.004
0.996
Elbow-45-1
2.00
2.00
250
x
200
10
x
8
100
x
100
4
X
4
236
500
250
x
200
10
x
8
118
250
250
x
150
10
X
6
354
750
250
x
200
10
x
8
118
250
250
x
150
10
X
6
472
1000
250
x
250
10
x
10
118
250
250
x
150
10
X
6
3187
1250
250
x
250
10
x
10
118
250
250
x
150
10
X
6
708
1500
250
x
250
10
x
10
118
250
250
x
150
10
X
6
826
1750
250
x
250
10
x
10
118
250
250
x
150
10
X
6
944
2000
300
x
300
12
x
12
118
250
250
x
150
10
X
6
3.6
3.6 3.6
3.6 3.6 3.6
3.6
11.81
11.81 11.81
11.81 11.81 11.81
11.81
450.00
2.369 3.984
250
25
22.31
0.010 0.016
250
12
6.8
2.00
0.100 From Carrier chart
900.00
1350.00 1440.00
1800.00 2160.00
2520.00 2000.00
2.29
225.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
4.57
11.81
6.86
11.81
7.31
11.81
9.14
11.81
10.97
11.81 11.81
12.80 10.16
11.81
0.100
0.002
0.498
From Carrier chart
0.012
2.988
0.100
0.012
2.941
From Carrier chart
0.026
6.474
0.100
0.012
2.941
From Carrier chart
0.026
6.474
0.100
0.012
2.941
From Carrier chart
0.026
6.474
0.100
0.012
2.941
From Carrier chart
0.026
6.474
0.120
0.014
3.529
From Carrier chart
0.026
6.474
0.120
0.014
3.529
From Carrier chart
0.026
6.474
0.120
0.014
3.529
From Carrier chart
0.026
6.474
14-15
15-16
16-17
1062
2250
300
x
300
12
x
12
118
250
250
x
150
10
X
6
1180
2500
300
x
300
12
x
12
118
250
250
x
150
10
X
6
1298
2750
300
x
300
12
x
12
59
125
200
x
150
10
X
6
1416
3000
350
x
350
14
x
14
x
14
17-18
350
x
350
14
3.6
11.81
2250.00
11.43
11.81 600.00
3.6
11.81
2500.00
12.70
3.6
11.81
2750.00
13.97
3.6
11.81
2204.08
11.20
Tee-1
11.81 600.00
Tee-1
11.81 300.00
12.00
0.014 0.026
6.474
0.120
0.014
3.529
From Carrier chart
0.026
6.474
0.120
0.014
3.529
From Carrier chart
0.015
3.735
0.120
0.014
3.529
12.00
0.120
0.014
3.586
0.015 0.637 0.127 0.764 0.150 0.040 0.070 0.020 0.250 0.201 1.495 1.500
3.735 90.502 18.100 108.602 37.500 10.000 17.500 5.000 62.500 50.000 309.202 373.500
From Carrier chart Over All Friction Loss through duct Considering factor of safety @ 20% SUB TOTAL Pressure Loss through VCD,Size-350x350,Airflow-3000CFM-1 NOS,velocity-11.2 m/sec Pressure Loss through FD,Size-350x350,Airflow-3000CFM-1 NOS,velocity-11.2 m/sec Pressure Loss through VCD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through FD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through S.A Pressure Loss through EA LOUWER TOTAL ESP Fan Selected @ Abbreviations:- 1)ESP: External static pressure 2)Tee :Tee branch 3) B D=Balancing damper 4)EAG: Exhaust Air Grille 5)EAL: Exh aust Air Louver 6)EAD=Fxhaust Air Diffuser 59
125
200
x
150
10
X
6
300.00
Tee-1
3.529
11.81
Tee-1
Elbow-45-1
0.120 From Carrier chart
FAN REF:FAHU T1-FRESH AIR Air Flow
Length between take-off
Duct Size
Velocity inside main duct
Section L/S
CFM
14
30
1-2
2-3 3-4
4-5 5-6
12-13 13-14 14-15
100
8
x
4
x
100
8
x
4
x
100
4
X
4
100
28
60
200
x
100
8
x
4
14
30
100
x
100
4
X
4
42
90
200
x
150
8
x
6
14
30
100
x
100
4
X
4
57
120
200
x
200
8
x
8
14
30
100
x
100
4
X
4
71
150
200
x
200
8
x
8
14
30
150
x
100
6
X
4
113
240
42
90
142
300
28
60
175
370
8-9
11-12
x
30
7-8
10-11
200 200
14
6-7
9-10
W(mm) x H(mm) W(in) x H(in) L(m) 2.2
L(ft)
fpm
m/s
7.22
135.00
0.69
Vel.inside branch duct (fpm)
Fittings
Elbow-90-1
4.6
3.4 1.4
1.2
11.16 4.59
3.94
270.00 270.00
337.50
Tee-1
270.00
Tee-1
270.00
Tee-1
180.00
Tee-1
7.22
0.100
0.007
3.00
0.100
0.003
0.747
From Carrier chart
0.012
2.988
15.09
1.37
11.16
1.37
4.59
1.71
3.94
1.797
0.100
0.015
3.758
From Carrier chart
0.012
2.988
0.100
0.011
2.778
From Carrier chart
0.012
2.988
0.100
0.005
1.144
From Carrier chart
0.012
2.988
0.103
0.004
1.010
From Carrier chart
0.010
2.490
x
200
8
x
8
22.31
0.103
0.023
5.722
200
8
x
8
Elbow-90-1
3.00
3.00
0.100
0.003
0.747
200
x
200
8
x
8
Elbow-90-1
3.00
3.00
150
x
150
6
X
6
x
200
8
x
8
200
8
x
8
100
x
100
4
X
4
250
x
200
10
x
8
250
x
200
10
x
8
X
4
33
70
200
x
100
8
349
740
250
x
200
10
x
8
175
370
250
x
150
10
X
6
524
1110
250
x
250
10
x
10
175
370
250
x
150
10
X
6
699
1480
300
x
250
12
x
10
175
370
250
x
150
10
X
6
3187
1850
300
x
250
12
x
10
175
370
250
x
150
10
X
6
1048
2220
300
x
300
12
x
12
175
370
250
x
150
10
X
6
1223
2590
300
x
300
12
x
12
175
370
250
x
150
10
X
6
2.74
Pa.
x
x
540.00
270.00
1.37
in wg.
200
200
22.31
270.00
Tee-1
3.00
Total Friction Loss
Friction loss (in wg) per 100ft of duct
200
200
6.8
15.09
270.00
Eq. fitting Total length length (ft) (ft)
360.00 1.7
5.58
675.00
3.43 Elbow-90-1
540.00 2.4
7.87
666.00
3.6 3.6 3.6 3.6 3.6
11.81 11.81 11.81 11.81 11.81 11.81
1332.00 1598.40 1776.00 2220.00 2220.00 2590.00
0.003
0.747
0.016
3.984
3.00
5.58
0.103
0.006
1.431
3.00
0.100
0.003
0.747
From Carrier chart
0.020
4.980
7.87
0.103
0.008
2.020
3.00
0.100
0.003
0.747
From Carrier chart
0.015
3.735
Tee-1
3.38 Elbow-90-1
3.6
0.100 From Carrier chart
Tee-1
315.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
6.77
3.00
11.81
8.12
11.81
9.02
11.81
11.28
11.81
11.28
11.81
13.16
11.81
0.100
0.012
2.941
From Carrier chart
0.041
10.209
0.100
0.012
2.941
From Carrier chart
0.041
10.209
0.100
0.012
2.941
From Carrier chart
0.041
10.209
0.100
0.012
2.941
From Carrier chart
0.041
10.209
0.120
0.014
3.529
From Carrier chart
0.041
10.209
0.120
0.014
3.529
From Carrier chart
0.041
10.209
15-16
16-17
17-18
18-19
19-20
20-21
21-22
22-23
1398
2960
350
x
350
14
x
14
175
370
250
x
150
10
X
6
1572
3330
350
x
350
14
x
14
175
370
250
x
150
10
X
6
1747
3700
400
x
400
16
x
16
175
370
250
x
150
10
X
6
1922
4070
400
x
400
16
x
16
175
370
200
x
150
10
X
6
2054
4350
400
x
400
16
x
16
132
280
200
x
150
10
X
6
2186
4630
400
x
400
16
x
16
132
280
200
x
150
10
X
6
2290
4850
400
x
400
16
x
16
104
220
200
x
150
10
X
6
2408
5100
400
x
400
16
x
16
118
250
200
x
150
10
X
6
2526
5350
400
x
400
16
x
16
x
16
23-24
400
x
400
16
3.6
3.6
3.6
3.6
3.6
11.81
11.81
11.81
11.81
11.81
2174.69
2446.53
2081.25
2289.38
2446.88
11.05
11.81 888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
888.00
Tee-1
672.00
Tee-1
12.43
11.81
10.57
11.81
11.81
11.63
12.43
3.6
11.81
2604.38
13.23
3.6
11.81
2728.13
13.86
3.6
11.81
2868.75
14.57
3.6
11.81
3009.38
15.29
11.81
11.81 672.00
Tee-1
11.81 528.00
Tee-1
11.81 600.00
7.00
0.014
3.529
0.041
10.209
0.120
0.014
3.529
From Carrier chart
0.041
10.209
0.120
0.014
3.529
From Carrier chart
0.041
10.209
0.120
0.014
3.529
From Carrier chart
0.041
10.209 3.529
0.120
0.014
From Carrier chart
0.028
6.972
0.120
0.014
3.529
From Carrier chart
0.028
6.972
0.120
0.014
3.529
From Carrier chart
0.024
5.976
0.120
0.014
3.529
From Carrier chart
0.026
6.474
11.81
0.120
0.014
3.529
7.00
0.120
0.008
2.092
0.026 0.957 0.191 1.148 0.050 0.040 0.035 0.021 0.220 0.201 1.715 1.800
6.474 9.505 1.901 11.406 12.500 10.000 8.750 5.250 55.000 50.000 192.387 448.200
Tee-1
Elbow-90-1
0.120 From Carrier chart
From Carrier chart SUB TOTAL Considering factor of safety @ 20% SUB TOTAL Pressure Loss through VCD,Size-350x350,Airflow-3000CFM-1 NOS,velocity-11.2 m/sec Pressure Loss through FD,Size-350x350,Airflow-3000CFM-1 NOS,velocity-11.2 m/sec Pressure Loss through VCD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through FD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through S.A Pressure Loss through EA LOUWER TOTAL ESP Fan Selected @ Abbreviations:- 1)ESP: External static pressure 2)Tee :Tee branch 3) BD=Balancing damper 4)EAG: Exhaust Ai r Grille 5)EAL: Exhaust Air Louver 6)EAD=Fxhaust Air Diffuser 118
250
200
x
150
10
X
6
600.00
Tee-1
FAN REF:FAHU T1EXTRACT AIR Air Flow
Length between take-off
Duct Size
Velocity inside main duct
Section L/S
CFM
12
25
1-2
2-3 3-4
10-11
11-12 12-13
13-14
100
8
x
4
x
100
8
x
4
X
4
100
x
100
4
24
50
200
x
150
8
x
6
12
25
100
x
100
4
X
4
35
75
200
x
150
8
x
6
12
25
100
x
100
4
X
4
47
100
3.6
L(ft)
fpm
11.81
112.50
m/s
Fittings
0.57 Elbow-90-1
8.4
3.6
11.81
225.00
225.00
Tee-1
225.00
Tee-1
0.76
11.81
0.100
0.012
2.00
0.100
0.002
0.498
From Carrier chart
0.012
2.988
27.56
1.14
11.81
2.941
0.100
0.028
6.863
From Carrier chart
0.012
2.988
0.100
0.012
2.941
From Carrier chart
0.012
2.988
150
10
x
6
14.11
0.100
0.014
3.513
150
10
x
6
Elbow-90-1
3.00
3.00
0.100
0.003
0.747
250
x
150
10
x
6
Elbow-90-1
3.00
3.00
0.100
0.003
0.747
x
100
4
X
4
From Carrier chart
0.012
2.988
200
250
x
150
10
x
6
47
100
200
x
100
8
X
4
106
225
250
x
150
10
x
6
250
x
150
10
x
6
2.8 3.2
9.19 10.50
480.00 540.00
1.22
Pa.
x
94
240.00
Tee-1
in wg.
x
1OO
14.11
150.00
225.00
2.00
Total Friction Loss
Friction loss (in wg) per 100ft of duct
250
25
4.3
27.56
Eq. fitting Total length length (ft) (ft)
250
12
225.00
Tee-1
450.00
Tee-1
2.44
9.19
2.74 Elbow-90-1
0.009
2.356
0.020
4.980
10.50
0.100
0.010
2.614
3.00
0.100
0.003
0.747
From Carrier chart
0.012
2.988
31.17
0.103
0.032
7.994 0.747
25
100
x
100
4
X
4
118
250
250
x
150
10
x
6
250
x
150
10
x
6
Elbow-90-1
3.00
3.00
0.100
0.003
250
x
150
10
x
6
Elbow-90-1
3.00
3.00
0.100
0.003
0.747
X
4
From Carrier chart
0.012
2.988
12
25
100
x
100
4
236
500
250
x
200
10
x
8
118
250
200
x
150
8
X
6
354
750
250
x
200
10
x
8
118
250
250
x
150
10
X
6
472
1000
250
x
250
10
x
10
118
250
250
x
150
10
X
6
590
1250
300
x
250
12
x
10
118
250
250
x
150
10
X
6
3187
1500
300
x
250
12
x
10
118
250
250
x
150
10
X
6
826
1750
300
x
300
12
x
12
118
250
250
x
150
10
X
6
225.00
3.00
0.103 From Carrier chart
12
7-8
9-10
x
25
6-7
8-9
200 200
12
4-5
5-6
W(mm) x H(mm) W(in) x H(in) L(m)
Vel.inside branch duct (fpm)
9.5
3.6
3.6
3.6
3.6 3.6 3.6
31.17
11.81
11.81
11.81
11.81 11.81 11.81
600.00
900.00
1350.00
1440.00
1500.00 1800.00 1750.00
Tee-1
3.05
225.00
Tee-1
750.00
Tee-1
4.57
11.81
6.86
11.81 600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
600.00
Tee-1
7.31
11.81
7.62
11.81
9.14
11.81
8.89
11.81
0.100
0.012
2.941
From Carrier chart
0.043
10.707
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.100
0.012
2.941
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
14-15
15-16
16-17
17-18
18-19
19-20
20-21
21-22
944
2000
300
x
300
12
x
12
118
250
250
x
150
10
X
6
1062
2250
350
x
350
14
x
14
118
250
250
x
150
10
X
6
1180
2500
350
x
350
14
x
14
118
250
250
x
150
10
X
6
1298
2750
400
x
400
16
x
16
118
250
250
x
150
10
X
6
1381
2925
400
x
400
16
x
16
83
175
200
x
150
10
X
6
1440
3050
400
x
400
16
x
16
59
125
200
x
150
10
X
6
1499
3175
400
x
400
16
x
16
59
125
200
x
150
10
X
6
1558
3300
400
x
400
16
x
16
3.6
11.81
2000.00
11.81
10.16 600.00
3.6
11.81
1653.06
8.40
3.6
11.81
1836.73
9.33
3.6
11.81
1546.88
7.86
3.6
11.81
1645.31
8.36
3.6
11.81
1715.63
8.71
3.6
11.81
1785.94
9.07
3.6
11.81
1856.25
9.43
Tee-1
11.81 600.00
Tee-1
11.81 600.00
Tee-1
11.81 600.00
Tee-1
11.81 420.00
Tee-1
11.81 300.00
Tee-1
11.81 300.00
Tee-1
11.81
0.110
0.013
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.032
7.968
0.110
0.013
3.235
From Carrier chart
0.026
6.474
0.110
0.013
3.235
From Carrier chart
0.016
3.984
0.110
0.013
3.235
From Carrier chart
0.016
3.984
0.110
0.013
3.235
0.016 0.807 0.161 0.969 0.150 0.040 0.070 0.020 0.220 0.201 1.670 1.700
3.984 7.219 1.444 8.663 37.500 10.000 17.500 5.000 55.000 50.000 196.310 423.300
From Carrier chart SUB TOTAL Considering factor of safety @ 20% SUB TOTAL Pressure Loss through VCD,Size-350x350,Airflow-3000CFM-1 NOS,velocity-11.2 m/sec Pressure Loss through FD,Size-350x350,Airflow-3000CFM-1 NOS,velocity-11.2 m/sec Pressure Loss through VCD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through FD,Size-250x200,Airflow-250CFM-1 NOS,velocity-2.3 m/sec Pressure Loss through S.A Pressure Loss through EA LOUWER TOTAL ESP Fan Selected @ Abbreviations:- 1)ESP: External static pressure 2)Tee :Tee branch 3) B D=Balancing damper 4)EAG: Exhaust Air Grille 5)EAL: Exh aust Air Louver 6)EAD=Fxhaust Air Diffuser 59
125
200
x
150
10
X
6
300.00
Tee-1
3.235
Project:2B+G+M+16,Mazoon House,Plot no.C-003-21,TECOM,Dubai
Client:M/S ABER FACILITIES Consultant: ART CONSULTANTS MEP Consultant:GEMAC
ESP Calculation for Exhaust Fans
FAN REF:FAHU T5 & T6EXTRACT Air Flow
Length between take-off
Duct Size
Velocity inside main duct
Section
1-2 2-3 3-4 4-5 5-6
L/S
CFM
W(mm) x H(mm) W(in) x H(in) L(m)
71
150
200
x
100
8
x
4
71
150
200
x
100
8
X
4
118
250
250
x
150
8
x
6
47
100
200
x
100
8
X
4
3.2 4.5 6.5
L(ft)
fpm
m/s
10.50
675.00
3.43
14.76
Tee-1
450.00
Tee-1
450.00
Tee-1
225.00
Tee-1
225.00
Tee-1
3.81
14.76
400
300
x
200
12
x
8
150
200
x
150
8
X
6
212
450
300
x
250
12
x
8
24
50
200
x
100
8
X
4
236
500
300
x
250
12
x
10
24
50
200
x
100
8
X
4
283
600
300
x
250
12
x
10
300
x
250
12
x
10
Elbow-45-1
300
x
250
12
x
10
Elbow-45-2
300
x
250
12
x
10
Elbow-90-1
7.6 22.5
24.94 73.82
675.00 600.00 720.00
Eq. Total Friction Loss fitting Total Friction loss (in wg) per length length (ft) 100ft of duct in wg. Pa. (ft)
10.50 675.00
71
20.67
600.00
Fittings
189
6.3
21.33
750.00
Vel.inside branch duct (fpm)
3.05
21.33
3.43
20.67
3.05
24.94
0.100
0.010
2.614
From Carrier chart
0.023
5.727
0.100
0.015
3.676
From Carrier chart
0.014
3.486
0.100
0.021
5.310
From Carrier chart
0.014
3.486
0.100
0.021
5.147
From Carrier chart
0.010
2.490
0.103
0.026
6.395
From Carrier chart
0.010
2.490
73.82
0.100
0.074
18.382
3.00
3.00
0.100
0.003
0.747
3.00
3.00
0.100
0.003
0.747
6.00
6.00
0.100
0.006
1.494
3.66
6-7
7-8 8-9 9-10 10-11 11-12 12-13
1154
2444
500
x
400
20
x
16
871
1844
450
x
350
18
X
14
2506
5308
500
x
600
20
x
24
1352
2864
500
x
450
20
X
18
5237
11092
850
x
750
34
x
30
2731
5784
500
x
750
20
X
30
6653
14092
1150
x
750
46
x
30
1416
3000
500
x
450
20
X
18
7598
16092
1150
x
750
46
x
30
944
2000
450
x
400
18
X
16
3804
8056
1000
x
500
40
x
20
3804
8056
1000
x
500
40
X
20
7.6 7.6 9.3 14.2 3.8 4.2
24.94 24.94 30.51 46.59 12.47 13.78
1099.80 1592.40 1565.93 1470.47 1679.17 1450.08
5.59
24.94 1053.71
Tee-1
1145.60
Tee-1
1388.16
Tee-1
1200.00
Tee-1
1000.00
Tee-1
8.09
24.94
7.95
30.51
7.47
46.59
8.53
12.47
7.37
13.78
0.103
0.026
6.395
From Carrier chart
0.062
15.438
0.103
0.026
6.395
From Carrier chart
0.068
16.932
0.103
0.031
7.826
From Carrier chart
0.086
21.414
0.103
0.048
11.949
From Carrier chart
0.070
17.430
0.103
0.013
3.198
From Carrier chart
0.060
14.940
0.100
From Carrier chart Over All Friction Loss through duct Considering factor of safety @ 20% SUB TOTAL Pressure Loss through VCD,Size-1000x650,Airflow-9900CFM-1 NOS,velocity-9 m/sec Pressure Loss through FD,Size-1000x650,Airflow-9900CFM-1 NOS,velocity-9 m/sec Pressure Loss through VCD,Size-500x200,Airflow-1100CFM-1 NOS,velocity-5.1 m/sec 1450.08
Tee-1
0.014
3.431
0.092 0.845 0.169 1.014 0.070 0.040 0.037
22.908 184.109 36.822 220.930 17.500 10.000 9.250
Project:2B+G+M+16,Mazoon House,Plot no.C-003-21,TECOM,Dubai
ESP Calculation for Exhaust Fans
Client:M/S ABER FACILITIES Consultant: ART CONSULTANTS MEP Consultant:GEMAC
Pressure Loss through FD,Size-500x200,Airflow-1100CFM-1 NOS,velocity-5.1 m/sec Pressure Loss through S.A Pressure Loss through EA LOUWER TOTAL ESP Fan Selected @ Abbreviations:- 1)ESP: External static pressure 2)Tee :Tee branch 3) BD=Balancing damper 4)EAG: Exhaust Air Gril le 5)EAL: Exhaust Air Louver 6)EAD=Fxhaust Air Diffuser
0.020 0.220 0.201 1.602 1.600
5.000 55.000 50.000 404.502 398.400
