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Kapitel 9, Projektering - Powerpipe Systems AB

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<strong>Projektering</strong> 9:202<br />

Stålflex<br />

Genomsnittstemperatur, vatten 80°C<br />

Ytråhet ε = 0.0016 mm stålflex<br />

(1 mm vp = 9.81 Pa)<br />

flöde i kg/h<br />

effekt kW<br />

temperaturdifferens °C<br />

Hastighet v [m/s]<br />

Exempel: Effektbehov 30kW<br />

∅T = 40°C<br />

Erforderligt flöde = 30 x 860 = 645 kg/h<br />

40<br />

Flöde<br />

Tryckfall<br />

Utgåva 2013

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