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Schoonbaert volledig - ie-net

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kvivFSE sp2cjt15<br />

Q = 20.000 kW<br />

Q = 18.100 kW<br />

Q = 16.300 kW<br />

Q = 14.600 kW<br />

Q = 13.000 kW<br />

Q = 11.500 kW<br />

Q = 10.100 kW<br />

Q = 8.800 8 800 kW<br />

Q = 7.600 kW<br />

Q = 6.500 kW<br />

Q = 5.500 kW<br />

Q = 4.600 kW<br />

Q = 3.800 kW<br />

Q = 3.100 kW<br />

Q = 2.500 kW<br />

Q = 2.000 kW<br />

Q = 1.600 kW<br />

Q = 1.300 kW<br />

Q = 1.000 kW<br />

graf<strong>ie</strong>kgrens<br />

Ventilat<strong>ie</strong>factor<br />

Ao(Ho)^1/2<br />

39<br />

36<br />

33<br />

30<br />

27<br />

24<br />

21<br />

18<br />

15<br />

12<br />

9<br />

6<br />

3<br />

0<br />

50<br />

60<br />

80<br />

110<br />

150<br />

Flashover Grenswaarden<br />

200<br />

Oppervlakte omsloten wanden At (m²)<br />

260<br />

330<br />

410<br />

500<br />

600<br />

710<br />

830<br />

960<br />

1.100<br />

1.260<br />

1.440<br />

Maximum temperatuur na flashover<br />

H<strong>ie</strong>rbij spelen zowel de compartimentsgrootte, de ventilat<strong>ie</strong>factor<br />

als de totale brandlast in het lokaal een rol :<br />

(t )+ΔT 6000 (1 e-0 10x (t ) -05 (1 e-0 05y<br />

o)+ΔT = 6000.(1 – e ) (°C)<br />

-0,10x ).x-0,5 .(1 – e-0,05y ) ( C)<br />

Met x = A t / (A oSH o )<br />

y = P / [18 S(A o .A t )]<br />

En P is de totale brandlast (MJ)<br />

P/18 = equivalent kg hout<br />

kvivFSE sp2cjt14<br />

1250<br />

1000<br />

750<br />

500<br />

250<br />

ruimte van 10 m x 5 m x 3 m (met 1 opening)<br />

5 m x 2 m 3 m x 2 m 3 m x 1 m<br />

max temp °C<br />

kg hout<br />

250 350 500 1.000 2.500 5.000 10.000<br />

8

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