Axial innen engl - TLT Turbo GmbH

01.01
Am Weinberg 68 · D-36251 Bad Hersfeld/Germany
Phone: +49.6621.950-0 · Fax: +49.6621.950-100
˙V = Volume flow [m 3 /h] or [m 3 /s]
pd = Dynamic pressure [Pa] or x 0.1 [kp/m 2 ]
c = Flow velocity [m/s]
Total pressure increase �pt [Pa] ➞
2240
2000
1800
1600
1400
1250
1110
1000
900
800
710
with duct 2.5 D
direct outlet
Shaft power input requirement:
V [m
Pw [kW] = =
3 ·
/h] · �pt [Pa]
�· 1000 · 3600
5°
0°
35 500
10
10
63
14
125
0,66
40 000
11,2
11,2
80
16
160
0,76
45 000
12,5
12,5
100
18
200
CHARACTERISTIC CURVES – AXIAL FLOW FANS
DIRECT DRIVE, WITH OUTLET GUIDE VANES
TYPE AXN 12/56/1120/D*
ROTATIONAL SPEED 1450 RPM
Tip speed u 2 = 82 m/s
Temperature t = 20° C
Density = 1.2 kg/m 3
0°
50 000
14
14
125
20
250
10°
0,81
0°
56 000
16
16
160
22,4
315
5°
5°
63 000
18
18
200
25
400
15°
0,86
71 000
20
20
250
28
500
80 000
22,4
22,4
315
31,5
630
90 000
25
25
400
35,5
800
Moment of Inertia I = 3.63 kg m 2
Casing Diameter d.i.L. = 1124 mm
Outlet cross section A 2 = 1.0 m 2
100 000
28
28
500
40
1000
112 000
31,5
31,5
630
45
1250
125 000
35,5
35,5
800
50
1600
140 000
40
40
1000
56
2000
119
118
117
116
115
114
113
112
111
110
109
121
[m 3/h] ➞
[m 3/s] ➞
c [m/s] ➞
pd [Pa] ➞
c [m/s] ➞
pd [Pa] ➞
* Airflow direction D (motor in outlet) – Please inquire for Airflow direction S (motor in inlet) Values rounded to standard figures.
10°
10°
0,89
15°
15°
0,47
20°
20°
� = 0,80
0,57
20°
0,77
pd
25°
0,67
25°
25°
A 1 = 0.68 m 2
0,72
30°
35°
pd
35°
Blade Schaufelwinkel pitch angle
30°
Total acoustic power level L w [dB]
AXN-Direct Drive