Page 13 - BREDI-H-Hinge thermal break system
P. 13

o
                                                                                                2
                        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
                                                                                                              o
                                                                                                           20.0  C
                                                                                                              o
                                                                                                           18.0  C
                                    12                                                                        o
                                                                                                           16.0  C
                                                                                                              o
                                                                                                           14.0  C
                                                                                       15   16
                                                                                                15            o
                                                                                                           12.0  C
                                                                                                12            o
                                                                                                10         10.0  C
                                                                                                             o
                                                                                                7          8.0  C
                                                                                                5
                                                                                                             o
                                                                                                3          6.0  C
              10
               9                                                                                1
                                                                                        1                    o
               7                                                                                           4.0  C
               5                                                                                             o
                                                                                                           2.0  C
               3
                                                                                                             o
                                                                                                           0.0  C
                                                   2  2
                                 132.90                                          190.00








                                                       A
                                                                               2
                                                                 U = 1.169 W/(m ·K)
               B                                                  -
                                                                    Φ = -13.696 W/m
                                                                      B-
                                          Φ
                                              - U ·b     13.696  - 1.169·0.190
                                          ∆T     p  p    20.000                            2
                                 U    =               =                        =  3.48 W/(m ·K)
                                  f A,B       b                 0.133
                                               f
                 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 for frame and sash                              11


                                            Email: bredi@bredi.net    Phone: +974 70123568 / 66511437       visit us at : www.bredi.net
   8   9   10   11   12   13   14   15   16   17   18