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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 />

280<br />

250<br />

224<br />

200<br />

180<br />

160<br />

140<br />

125<br />

112<br />

100<br />

90<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 />

85DP008A_s38.ai<br />

0,52<br />

5°<br />

0°<br />

2 240<br />

0,63<br />

4,0<br />

10<br />

5,6<br />

20<br />

0,62<br />

2 500<br />

0,71<br />

4,5<br />

12,5<br />

6,3<br />

25<br />

2 800<br />

0,8<br />

5,0<br />

16<br />

7,1<br />

31,5<br />

10°<br />

0,67<br />

CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />

DIRECT DRIVE, WITH OUTLET GUIDE VANES<br />

TYPE AXN 12/56/450/D*<br />

ROTATIONAL SPEED 1400 RPM<br />

Tip speed u 2 = 33 m/s<br />

Temperature t = 20° C<br />

Density = 1.2 kg/m 3<br />

3 150<br />

0,9<br />

5,6<br />

20<br />

8,0<br />

40<br />

3 550<br />

1,0<br />

6,3<br />

25<br />

9,0<br />

50<br />

0,72<br />

4 000<br />

1,12<br />

7,1<br />

31,5<br />

10<br />

63<br />

4 500<br />

1,25<br />

8,0<br />

40<br />

11,2<br />

80<br />

0,75<br />

5 000<br />

1,4<br />

9,0<br />

50<br />

12,5<br />

100<br />

15°<br />

0,33<br />

5 600<br />

1,6<br />

10<br />

63<br />

14<br />

125<br />

Moment of inertia I = 0.041 kg m 2<br />

Casing diameter d.i.L. = 450 mm<br />

Outlet cross section A 2 = 0.159 m 2<br />

20°<br />

6 300<br />

1,8<br />

11,2<br />

80<br />

16<br />

160<br />

� = 0,66<br />

0,43<br />

0° 0° 5° 5° 10° 10° 15° 20°<br />

15°<br />

0,63<br />

pd<br />

25°<br />

0,53<br />

7 100<br />

2,0<br />

12,5<br />

100<br />

18<br />

200<br />

25°<br />

8 000<br />

2,24<br />

14<br />

125<br />

20<br />

250<br />

0,58<br />

pd<br />

35°<br />

Blade Schaufelwinkel pitch angle<br />

30°<br />

9 000<br />

2,5<br />

16<br />

160<br />

22,4<br />

315<br />

92<br />

91<br />

90<br />

89<br />

88<br />

87<br />

86<br />

85<br />

84<br />

83<br />

82<br />

097<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 />

30°<br />

A 1 = 0.11 m 2<br />

35°<br />

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

AXN-Direct drive

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