| tests performed Fall 1997 |
Compressed R-11, no XPS |
Compressed R-11, 1 in. XPS |
Full Thickness R-11, no XPS |
Full Thickness R-11, 0.5 in. XPS |
R-13 Without XPS |
Wall Symbol |
FSEC1 |
FSEC2 |
FSEC3 |
FSEC4 |
FSEC5 |
Meter Sid Air Temp, °F (th)
|
100.6 |
100.5 |
100.2 |
100.6 |
99.7 |
Meter Side Air Velocity, MPH
|
1.3 |
1.3 |
1.3 |
1.3 |
1.3 |
Meter Side Stud Area Temp, °F
|
94.8 |
96.9 |
95.0 |
97.0 |
95.6 |
Meter Side Center of Cavity Temp, °F |
98.8 |
99.5 |
97.8 |
98.7 |
97.7 |
Average Meter Side Wall Surface Temp, °F (t1) |
98.5 |
99.3 |
97.7 |
98.6 |
97.5 |
Climate Side Air Temp, °F (tc)
|
52.9 |
57.3 |
58.5 |
60.3 |
55.1 |
Climate Side Air Velocity, MPH
|
2.0 |
2.3 |
2.1 |
2.3 |
1.5 |
Climate Side Stud Area Temp, °F
|
56.7 |
58.9 |
61.9 |
62.3 |
58.8 |
Climate Side Center Of Cavity Temp, °F
|
54.6 |
58.4 |
60.1 |
61.7 |
56.8 |
Average Climate Side Wall Surface Temp, °F (t2)
|
54.8 |
58.4 |
60.3 |
61.7 |
57.0 |
|
767.7 |
78.9 |
79.0 |
80.2 |
77.2 |
Energy Input, Btu/hr (Q h+Q f)
|
308.3 |
178.4 |
244.1 |
178.5 |
240.3 |
Clear Wall R-value hr ft 2 °F/Btu
|
9.06 |
17.75 |
9.85 |
13.29 |
10.94 |
R u-Value, (R ms air+R+R cs air) hr ft 2°F/Btu (air to air)
|
9.91 |
15.59 |
10.97 |
14.52 |
12.04 |
R ms air, hr ft 2°F/Btu (meter chamber air film resistant)
|
0.45 |
0.42 |
0.66 |
0.71 |
0.61 |
R cs air, hr ft 2°F/Btu (climate chamber air film resistant)
|
0.40 |
0.42 |
0.58 |
0.52 |
0.51 |
