Page 10 - BREDI-H-Hinge thermal break system

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Material λ[W/(m·K)] ε Boundary Condition q[W/m ] 2 θ [ C] R[(m ·K)/W] ε
Aluminium (Si Alloys) 160.000 0.900 Epsilon 0.9 0.900
EPDM (ethylene propylene diene monomer) 0.250 0.900 Exterior, frame 0.000 0.040
Panel 0.035 0.900 Interior, frame, normal 20.000 0.130
Polyamid (nylon) 0.250 Interior, frame, reduced 20.000 0.200
Polyamid 6.6 with 25% glass fibre 0.300 0.900 Symmetry/Model section 0.000
Slightly ventilated air cavity anisotropic
Unventilated air cavity anisotropic
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20.0 C
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18.0 C
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16.0 C
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14.0 C
11
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12.0 C
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16 15 15 16 10.0 C
15 15
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8.0 C
10 10
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6.0 C
5 5
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1 1 4.0 C
1 2 1
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2.0 C
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2 2 2 3 0.0 C
190.00 138.00 190.10

B A
2 2
U = 1.169 W/(m ·K) U = 1.169 W/(m ·K)
- -
Φ = -19.345 W/m
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Φ
- U ·b - U ·b 19.345 - 1.169·0.190 - 1.169·0.190
∆T p1 p1 p2 p2 20.000 2
U = = = 3.79 W/(m ·K)
f A,B b 0.138
f

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8 4.4.3 Thermophysical analysis for central sash

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