| |
Summary Of Hotbox Test Data And Calculations
| |
Test 1
Icynene wall with hat channels |
Test 2
Icynene wall with XPS sheathing |
| Tests performed Winter 1997 |
click here for test specifics |
|
Meter Chamber Air, ° F (t h)
|
99.9 |
99.7 |
|
0.23 |
0.29 |
Meter Chamber Average Surface, ° F (t 1)
|
97.6 |
98.0 |
|
57.4 |
56.3 |
|
1.49 |
2.43 |
Climate Side-Average Surface, ° F (t 2)
|
59.9 |
58.2 |
Panel Mean Temperature, ° F
|
78.8 |
78.1 |
Meter Chamber Energy Input, Btu/hr (Q h+Q f)
|
237.8 |
227.5 |
R-Value, hr ft 2 ° F/Btu (surface to surface)
|
8.97 |
11.38 |
R u-Value, (R ms air+R+R cs air) hr ft 2° F/Btu (air to air)
|
10.14 |
12.40 |
R ms air, hr ft 2°F/Btu (meter chamber air film resistant)
|
0.56 |
0.48 |
R cs air, hr ft 2°F/Btu (climate chamber air film resistant)
|
0.60 |
0.55 |
|
|