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Schoonbaert volledig - ie-net

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kvivFSE sp2rad9<br />

2) Uitslaande vlammen in een gevelopening :<br />

Afstand van de vloer<br />

tot de bovenkant van de opening : h (m)<br />

Breedte van de opening : w (m)<br />

Breedte & d<strong>ie</strong>pte van de ruimte : b & d (m)<br />

At en ventilat<strong>ie</strong>factor AoSHo (z<strong>ie</strong> Ceiling Jet)<br />

De afbrandsnelheid : R (in Flashover of Fuel Bed Controlled)<br />

1/2<br />

Rfo = 0,02 [At . AoSHo . (b/d)] 1/2<br />

R fbc = 1,5 Q / Hc (met Hc = kJ/kg)<br />

Hoogte van de vlam boven de opening :<br />

kvivFSE sp2rad10<br />

Zf = 12,8 (R/w) 2/3 -h<br />

(m)<br />

(kg/s)<br />

CIBSE Guide E<br />

Afbrandkromme i.f.v.<br />

Brandlast en<br />

ventilat<strong>ie</strong>factor :<br />

“30( 1 /4)” betekent :<br />

- 30 kg hout per m²<br />

- 25% ventilat<strong>ie</strong> in één muur<br />

Z f<br />

5

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