Axial innen engl - TLT Turbo GmbH
Axial innen engl - TLT Turbo GmbH
Axial innen engl - TLT Turbo GmbH
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Am Weinberg 68 · D-36251 Bad Hersfeld/Germany<br />
Phone: +49.6621.950-0 · Fax: +49.6621.950-100<br />
˙V = Volume flow [m 3 /h] or [m 3 /s]<br />
pd = Dynamic pressure [Pa] or x 0.1 [kp/m 2 ]<br />
c = Flow velocity [m/s]<br />
Total pressure increase �pt [Pa] ➞<br />
710<br />
630<br />
560<br />
500<br />
450<br />
400<br />
355<br />
315<br />
280<br />
250<br />
224<br />
with duct 2.5 D<br />
direct outlet<br />
Shaft power input requirement<br />
V [m<br />
Pw [kW] = =<br />
3 ·<br />
/h] · �pt [Pa]<br />
�· 1000 · 3600<br />
5°<br />
0°<br />
25 000<br />
7,1<br />
5,6<br />
20<br />
8,0<br />
40<br />
0,66<br />
28 000<br />
8,0<br />
6,3<br />
25<br />
9,0<br />
50<br />
0,76<br />
31 500<br />
9,0<br />
7,1<br />
31,5<br />
10<br />
63<br />
CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />
DIRECT DRIVE, WITH OUTLET GUIDE VANES<br />
TYPE AXN 12/56/1250/D*<br />
ROTATIONAL SPEED 740 RPM<br />
Tip speed u 2 = 49 m/s<br />
Temperature t = 20° C<br />
Density = 1.2 kg/m 3<br />
0°<br />
35 500<br />
10<br />
8,0<br />
40<br />
11,2<br />
80<br />
10°<br />
0,81<br />
0°<br />
40 000<br />
11,2<br />
9,0<br />
50<br />
12,5<br />
100<br />
5°<br />
45 000<br />
12,5<br />
10<br />
63<br />
14<br />
125<br />
5°<br />
15°<br />
0,86<br />
10°<br />
50 000<br />
14<br />
11,2<br />
80<br />
16<br />
160<br />
10°<br />
56 000<br />
16<br />
12,5<br />
100<br />
18<br />
200<br />
0,89<br />
15°<br />
63 000<br />
18<br />
14<br />
125<br />
20<br />
250<br />
Moment of inertia I = 6.25 kg m 2<br />
Casing diameter d.i.L. = 1261 mm<br />
Outlet cross section A 2 = 1.25 m 2<br />
15°<br />
0,47<br />
71 000<br />
20<br />
16<br />
160<br />
22,4<br />
315<br />
20°<br />
20°<br />
0,57<br />
80 000<br />
22,4<br />
18<br />
200<br />
25<br />
400<br />
� = 0,80<br />
0,77<br />
pd<br />
25°<br />
90 000<br />
25<br />
20<br />
250<br />
28<br />
500<br />
0,67<br />
25°<br />
100 000<br />
28<br />
22,4<br />
315<br />
31,5<br />
630<br />
0,72<br />
pd<br />
108<br />
107<br />
106<br />
105<br />
104<br />
103<br />
102<br />
101<br />
100<br />
99<br />
98<br />
122<br />
35°<br />
Blade Schaufelwinkel pitch angle<br />
30°<br />
[m 3/h] ➞<br />
[m 3/s] ➞<br />
c [m/s] ➞<br />
pd [Pa] ➞<br />
c [m/s] ➞<br />
pd [Pa] ➞<br />
* Airflow direction D (motor in outlet) – Please inquire for Airflow direction S (motor in inlet) Values rounded to standard figures.<br />
20°<br />
25°<br />
A 1 = 0.85 m 2<br />
35°<br />
30°<br />
Total acoustic power level L w [dB]
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