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Manual for the Design of Pipe Systems and Pumps - GEA ...

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8.5 Pressure drops depending on viscosity<br />

DN 25<br />

200<br />

H v<br />

[m/100 m]<br />

100<br />

50<br />

30<br />

20<br />

10<br />

5<br />

3<br />

2<br />

1<br />

DN 32<br />

200<br />

Hv [m/100 m]<br />

100<br />

50<br />

30<br />

20<br />

10<br />

5<br />

3<br />

2<br />

1<br />

υ<br />

[mm 2 /s]<br />

υ<br />

20.000<br />

[mm 2 /s]<br />

10.000<br />

30.000<br />

20.000<br />

5.000<br />

3.000<br />

00,1 00,2 00,3 00,5 0,1 0,2 0,3 0,5 1 2 3 5 10<br />

Q [m 3 /h]<br />

10.000<br />

00,1 00,2 00,3 00,5 0,1 0,2 0,3 1 2 3 5 10<br />

Q [m 3 0,5<br />

/h]<br />

40<br />

<strong>GEA</strong> Tuchenhagen<br />

2.000<br />

5.000<br />

1.000<br />

3.000<br />

2.000<br />

Transition range from laminar to turbulent flow (Re: ≈ 1.400 - ≈ 3.500)<br />

(Accuracy ± 5 %)<br />

Pressure drop H v per 100 m pipe length (k = 0.05)<br />

500<br />

10<br />

50<br />

30<br />

1.000<br />

300<br />

1<br />

200<br />

50<br />

30<br />

500<br />

100<br />

300<br />

100<br />

200<br />

10<br />

1

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