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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 />

800<br />

710<br />

630<br />

560<br />

500<br />

450<br />

400<br />

355<br />

315<br />

280<br />

250<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 />

16 000<br />

4,5<br />

5,6<br />

20<br />

8,0<br />

40<br />

0,66<br />

18 000<br />

5,0<br />

6,3<br />

25<br />

9,0<br />

50<br />

0,76<br />

20 000<br />

5,6<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 12/56/1000/D*<br />

ROTATIONAL SPEED 950 RPM<br />

Tip speed u 2 = 50 m/s<br />

Temperature t = 20° C<br />

Density = 1.2 kg/m 3<br />

22 400<br />

6,3<br />

8,0<br />

40<br />

11,2<br />

80<br />

0,81<br />

25 000<br />

7,1<br />

9,0<br />

50<br />

12,5<br />

100<br />

28 000<br />

8,0<br />

10<br />

63<br />

14<br />

125<br />

0,86<br />

31 500<br />

9,0<br />

11,2<br />

80<br />

16<br />

160<br />

35 500<br />

10<br />

12,5<br />

100<br />

18<br />

200<br />

0,89<br />

0° 0° 5° 5° 10° 10° 15°<br />

10°<br />

15°<br />

40 000<br />

11,2<br />

14<br />

125<br />

20<br />

250<br />

Moment of inertia I = 2.05 kg m 2<br />

Casing diameter d.i.L. = 1003 mm<br />

Outlet cross section A 2 = 0.79 m 2<br />

15°<br />

0,47<br />

45 000<br />

12,5<br />

16<br />

160<br />

22,4<br />

315<br />

20°<br />

50 000<br />

14<br />

18<br />

200<br />

25<br />

400<br />

� = 0,80<br />

0,57<br />

56 000<br />

16<br />

20<br />

250<br />

28<br />

500<br />

0,77<br />

pd<br />

25°<br />

0,67<br />

25°<br />

63 000<br />

18<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 />

117<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 />

20°<br />

25°<br />

A 1 = 0,54 m 2<br />

35°<br />

30°<br />

Total acoustic power level L w [dB]<br />

AXN-Direct drive

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