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ID number:381208
 
Author:
Evaluation:
Published: 29.06.2012.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

V. Stiklotais jumts pēc firmas REYNAERS Cintro sistēmas
1. Jumta šķērsgriezums nav nepieciešams, jo ir tikai viens slānis:
Cintro sistēma no REYNAERS: liektie alumīnija profili un stikls.
2. No REYNAERS prospektiem zināms lielums K, kas atbilst 1/R, tātad, ja K = 2,8 W/m2K, tad Rsist. = 1/K =1/2,8 = 0,357 m2K/W;
3. Kopējās siltuma pretestības noteikšana:
RT = ΣR = RSI + Rsist. + RSE = 0,1 + 0,357 + 0,04 = 0,497 m2K/W;
RSI – termiskā pretestība iekšējai virsmai, kad siltuma plūsmas virziens ir uz augšu, m2K/W; RSI = 0,1 m2K/W;
RSE – termiskā pretestība ārējai virsmai, kad siltuma plūsmas virziens ir uz augšu, m2K/W; RSE = 0,04 m2K/W;
4. Siltuma caurlaidības koeficienta noteikšana:
U = 1/RT = 1/0,497 = 2,01 W/m2K

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