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] bzw. [m 3 /s]<br />
pd = Dyn. pressure [Pa] bzw. x 0,1 [kp/m 2 ]<br />
c = Flow velocity [m/s]<br />
Total pressure increase � pt [Pa] →<br />
355<br />
315<br />
280<br />
250<br />
224<br />
200<br />
180<br />
160<br />
140<br />
125<br />
112<br />
100<br />
Shaft power input requirement<br />
V [m<br />
Pw [kW] = =<br />
3 ·<br />
/h] · �pt [Pa]<br />
�· 1000 · 3600<br />
31500<br />
9,0<br />
5,6<br />
20<br />
35000<br />
10<br />
6,3<br />
25<br />
40000<br />
11,2<br />
7,1<br />
31,5<br />
CHARACTERISTIC CURVES - AXIAL FLOW FANS<br />
DIRECT DRIVE, WITHOUT GUIDE VANES<br />
TYPE BVAXO 6/1400/D<br />
ROTATIONAL SPEED 740 RPM<br />
Tip speed u2 = 55 m/s<br />
Temperature t = 20°C<br />
Density = 1,2 kg/m3 45000<br />
12,5<br />
8,0<br />
40<br />
50000<br />
14<br />
9,0<br />
50<br />
�<br />
56000<br />
16<br />
10<br />
63000<br />
18<br />
11,2<br />
71000<br />
20<br />
12,5<br />
80000<br />
22,4<br />
14<br />
90000<br />
25<br />
16<br />
Moment of inertia I = kg m 2<br />
Casing diameter d.i.L. = 1415 mm<br />
Outlet cross section A2 = 1,57 m 2<br />
These fans are available only with the indicated blade pitch. Subsequent pitch variations are not possible.<br />
20°<br />
20°<br />
0,48<br />
25°<br />
63<br />
80<br />
25°<br />
0,52<br />
100<br />
� = 0,59<br />
0,55<br />
30°<br />
30°<br />
125<br />
0,57<br />
35°<br />
160<br />
35°<br />
100000<br />
28<br />
18<br />
200<br />
40°<br />
40°<br />
45°<br />
112000<br />
31,5<br />
20<br />
250<br />
50°<br />
45°<br />
pd<br />
50° Blade pitch<br />
angle<br />
125000<br />
35,5<br />
22,4<br />
315<br />
106<br />
106<br />
104<br />
102<br />
100<br />
98<br />
96<br />
94<br />
92<br />
90<br />
88<br />
069<br />
˙V [m 3 /h] →<br />
˙V [m 3 /s] →<br />
c [m/s] →<br />
pd [Pa] →<br />
Total acoustic power level<br />
Lw [dB]<br />
AXO-Direct-drive
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