Page 13 - BREDI-S-Sliding thermal break system

THERMAL TRANSMITANCE OF Sliding Window as per EN ISO 10077-2
SPECIMEN :
Calcula on Type :
Simplified calculation method
(construc on typus: drawing beside)
1.2 M

B

1 M
A A

B

Data from Autocad Project Data Calcula on Sheeet Data
- Projected widths a , b..h -'Window Dimensions , L, H - U values of Aluminium Sections
- Area of the glass - Glass U value
- Area of the Spandrel Results
- Area of Aluminium Profiles - Mean U value of the frame
- Mean U value of the window

Calculation

H Total window height [m] 1.000
L Total window length [m] 1.200
a Projected Width [m] 0.120 Pannel glazing area (projected) [m²] 0.665
Frame and External Shutter area (projected) [m²] 0.225 thermal transmittance of glass [W/m²K] 1.160
(VFSO) U f thermal transmittance [W/m²K] 5.530 [W/K] 0.771
Energy Transfer [W/K] 1.244 PSI Visible Glass Perimeter m 4.790
b Projected Width [m] 0.120 Linear Transmitance of the W/m 0.110
glass Edge - as per EN ISO
Frame and Internal Shutter area (projected) [m²] 0.225 Y Y Y Y 10077-1 W 0.527
(VFSI)
U f thermal transmittance [W/m²K] 5.080
Energy Transfer [W/K] 1.143 results [W/K] 4.015
c Projected Width [m] 0.085 total area of the window [m²] 1.200
area (projected) [m²] 0.085 mean thermal transmittance of
Interlock WINDOW [W/m²K] 3.345
thermal transmittance [W/m²K] 3.870 total window
U f
Energy Transfer [W/K] 0.329
Summary P1 to P3 [W/K] 2.716
Frame Area Af Total Frame Area m² 0.535
Mean U Value of Frame [W/m²K] 5.077

Technoform Middle East, www.technoform.ae, middleeast@technoform.ae

flixo pro 7.0.626.1ixo pro 7.0.626.1
fl

4.4.3 Thermophysical analysis (Uw bredi-s) 11

Email: bredi@bredi.net Phone: +974 70123568 / 66511437 visit us at : www.bredi.net