MIL-HDBK-1003/19
APPENDIX A
Radiant Panels
SYSTEM NUMBERING CONVENTION
First digit: Mass-area to glazing-area ratio (Am/Ac) (3, 6, or 9)
Second digit: Thermal storage mass thickness (THICK) (4-inch only)
Third digit: Number of glazings (NGL) (2 only)
System
F
G
Uc [alpha] DHC/Ac EHC/Ac e
Number
342
0.605
3.84
0.31
0.95
28.38
27.85
0.
642
0.734
3.60
0.31
0.95
56.76
53.93
0.
942
0.812
3.36
0.31
0.95
85.14
78.34
0.
88
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