70
7. Air flow & Static pressure characteristics of Branch Duct (with SWA at “Standard”)
Static
pressure
[Pa]
Air flow [m
3
/min]
30
20
10
0
1
2
3
4
5
6
Hi
Lo
Static
pressure
[Pa]
Air flow [m
3
/min]
30
20
10
0
1
2
3
4
5
6
Hi
Lo
Static
pressure
[Pa]
Air flow [m
3
/min]
50
40
30
20
10
0
1
2
3
Hi
Lo
4
5
6
7
8
9
10
Static
pressure
[Pa]
Air flow [m
3
/min]
50
40
30
20
10
0
1
2
3
Hi
Lo
4
5
6
7
8
9
10
Static
pressure
[Pa]
Air flow [m
3
/min]
50
40
30
20
10
0
1
2
3
Hi
Lo
4
5
6
7
8
9
10
Static
pressure
[Pa]
Air flow [m
3
/min]
50
40
30
20
10
0
1
2
3
Hi
Lo
4
5
6
7
8
9
10
Round duct
Static
pressure
[Pa]
Air flow [m
3
/min]
30
40
50
60
20
10
0
1
2
3
4
5
6
7
8
9
Hi
Lo
Static
pressure
[Pa]
Air flow [m
3
/min]
50
60
70
80
90
100
40
30
20
10
0
1 2 3
Hi
Lo
4 5 6 7 8 9 10 11 12 13 14
Static
pressure
[Pa]
Air flow [m
3
/min]
50
60
70
80
90
100
40
30
20
10
0
1 2
3
Hi
Lo
4 5 6 7 8 9 10 11 12 13 14
3 direction airflow (Horizontal vane)
Rectangular duct
Static
pressure
[Pa]
Air flow [m
3
/min]
30
40
50
60
20
10
0
1
2
3
4
5
6
7
8
9
Hi
Lo
Static
pressure
[Pa]
Air flow [m
3
/min]
50
60
70
80
90
100
40
30
20
10
0
1 2 3
Hi
Lo
4 5 6 7 8 9 10 11 12 13 14
Static
pressure
[Pa]
Air flow [m
3
/min]
50
60
70
80
90
100
40
30
20
10
0
1 2
3
Hi
Lo
4 5 6 7 8 9 10 11 12 13 14
Round duct
4 direction airflow (Horizontal vane)
Rectangular duct
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OC211-A--3.qxp 04.9.28 4:42 PM Page 70