MIL-HDBK-1003/19
APPENDIX A
SYSTEM PERFORMANCE CORRELATION PARAMETERS
Direct Gain Systems
SYSTEM NUMBERING CONVENTION
First digit: Mass-area to glazing-area ratio (Am/Ac) (3, 6, or 9)
Second digit: Thermal storage mass thickness (THICK) (2, 4, or 6)
Third digit: R-value of night insulation (0, 4, or 9)
Fourth digit: Number of glazings (NGL) (1, 2, or 3)
System
F
G
Uc [alpha] DHC/Ac EHC/Ac e
Number
3201
0.458
22.73
1.10
0.94
14.94
14.49
1.
3202
0.576
10.49
0.49
0.94
14.94
14.49
1.
3203
0.661
6.65
0.31
0.94
14.94
14.49
1.
3241
0.608
9.77
0.61
0.94
14.94
14.49
1.
3242
0.623
5.21
0.35
0.94
14.94
14.49
1.
3243
0.669
3.53
0.28
0.94
14.94
14.49
1.
3291
0.637
8.33
0.53
0.94
14.94
14.49
1.
3292
0.651
3.77
0.27
0.94
14.94
14.49
1.
3293
0.685
2.33
0.19
0.94
14.94
14.49
1.
3401
0.754
24.89
1.10
0.94
28.38
27.85
1.
3402
0.838
10.73
0.49
0.94
28.38
27.85
1.
3403
0.886
6.17
0.31
0.94
28.38
27.85
1.
3441
0.822
10.25
0.61
0.94
28.38
27.85
1.
3442
0.834
4.97
0.35
0.94
28.38
27.85
1.
3443
0.875
3.05
0.28
0.94
28.38
27.85
1.
3491
0.832
8.57
0.53
0.94
28.38
27.85
1.
3492
0.852
3.48
0.27
0.94
28.38
27.85
1.
3493
0.882
1.80
0.19
0.94
28.38
27.85
1.
3601
0.826
25.13
1.10
0.94
35.79
36.73
1.
3602
0.894
10.49
0.49
0.94
35.79
36.73
1.
3603
0.943
5.93
0.31
0.94
35.79
36.73
1.
3641
0.870
10.01
0.61
0.94
35.79
36.73
1.
3642
0.870
4.49
0.35
0.94
35.79
36.73
1.
3643
0.910
2.57
0.28
0.94
35.79
36.73
1.
3691
0.865
8.09
0.53
0.94
35.79
36.73
1.
3692
0.889
3.00
0.27
0.94
35.79
36.73
1.
3693
0.916
1.32
0.19
0.94
35.79
36.73
1.
6201
0.719
25.06
1.10
0.97
29.88
28.05
1.
6202
0.812
10.90
0.49
0.97
29.88
28.05
1.
6203
0.867
6.34
0.31
0.97
29.88
28.05
1.
6241
0.786
10.18
0.61
0.97
29.88
28.05
1.
6242
0.810
5.14
0.35
0.97
29.88
28.05
1.
6243
0.857
3.22
0.28
0.97
29.88
28.05
1.
85
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