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Design af nyt energirigtigt vindue - Viden Om Vinduer

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Bilag 11, nr. 01<br />

<strong>Om</strong>regning <strong>af</strong> U-værdi fra Therm Nr. 01 Rudekombination:<br />

1 hulrum uventileret 4+27+4+20+4<br />

Metode 1<br />

U joint beregning med rude<br />

H rude<br />

U g<br />

0.19 m<br />

0.968 W/m²K<br />

U tot2 1.154 W/mK U joint 2.84 W/m²K<br />

L tot<br />

0.211 m<br />

L r 0.021 m U tot (U joint·L r) 0.060 W/mK<br />

Metode 2<br />

Med isoleringspanel<br />

Indre overgangsisolans 7.69 m²K/W<br />

Ydre overgangsisolans 25 m²K/W<br />

T isoleringspanel<br />

H isoleringspanel<br />

λ isoleringspanel<br />

U tot1<br />

L tot<br />

L r<br />

U tot2<br />

0.06 m<br />

0.19 m<br />

0.035 W/mK<br />

0.745 W/mK<br />

0.211 m<br />

0.021 m<br />

1.154 W/m²K<br />

U ramme<br />

2.68 W/m²K<br />

U g 0.968 W/m²K Linietab (Ψ) 0.003 W/mK<br />

U panel 0.531 W/m²K U tot (U ramme·L r+Ψ) 0.060 W/mK<br />

Therm beregning <strong>af</strong> 'ramme uden rude'<br />

U ramme<br />

2.48 W/m²K<br />

<strong>Design</strong> <strong>af</strong> <strong>nyt</strong> <strong>energirigtigt</strong> vinDue Bilag

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