MIL-HDBK-1003/19
APPENDIX A
Water Walls
SYSTEM NUMBERING CONVENTION
First digit:
Wall thickness (1, 2, 3, 4, 5, or 6 implies 3-inch, 6-inch,
9-inch, 12-inch, 18-inch, or 24-inch, respectively)
Second digit:
R-value of night insulation (0 or 9)
Third digit:
Number of glazings (NGL) (1, 2, or 3)
Fourth digit:
Wall surface (1 or 2 implies flat black surface or selective
surface, respectively)
System
F
G
Uc
[alpha]
ed
Number
1021
0.684
6.94
0.31
0.95
0.83
2021
0.833
6.48
0.31
0.95
0.83
3011
0.735 10.80
0.41
0.95
0.73
3012
0.904
3.36
0.30
0.90
0.80
3021
0.885
6.24
0.31
0.95
0.83
3022
0.973
2.40
0.24
0.90
0.86
3031
0.981
4.06
0.25
0.95
0.98
3911
0.873
3.84
0.25
0.95
0.73
3912
0.960
0.48
0.17
0.90
0.80
3921
0.981
1.92
0.18
0.95
0.83
3922
0.992
0.00
0.14
0.90
0.86
3931
1.039
0.94
0.15
0.95
0.98
4021
0.907
6.00
0.31
0.95
0.83
5021
0.931
5.74
0.31
0.95
0.83
6021
0.954
5.74
0.31
0.95
0.83
92
Previous Page
