Cours ORIGINAL
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S2 CONFORT<br />
S2 CONFORT<br />
S2.2.1 - Confort thermique<br />
Lycée Polyvalent Sadi Carnot Jean Bertin<br />
ISOLANT LAINE DE VERRE (GR 32 REVÊTU KRAFT)<br />
ISOLANT λ = 0,032 (W/m. K)<br />
R si<br />
R parement plâtre<br />
R isolant : 0,10/0,045<br />
R béton<br />
R se<br />
ΣR (m² K/W)<br />
= …………….<br />
= …………….<br />
= …………….<br />
= …………….<br />
= …………….<br />
= …………….<br />
Déperditions Uc :<br />
1/R = ……………………….<br />
AVEC UN DOUBLAGE ISOLANT TRADITIONNEL<br />
<br />
<br />
<br />
Béton 150 mm<br />
Isolant traditionnel<br />
Plâtre 10 mm<br />
Rparoi = 0,12* + Risolant + Rse + Rsi<br />
*où 0,12 = Rbéton + Rplâtre<br />
Rparoi = Rbéton + Rplâtre + Rsi + Rse (où Rsi + Rse =<br />
0,17)<br />
On suppose le cas d’un flux horizontal.
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