MIL-HDBK-1003/19
Figures - Continued.
Figure
9
Last month for full illumination of solar aperture
facing within 20 degrees of true south . . . . .
.
27
10
Overhang geometry . . . . . . . . . . . . . . . .
.
28
11
Ratio X/Y related to (Latitude - Declination) . .
.
28
12(a)
(Latitude - Declination) for January . . . . . . .
.
29
12(b)
(Latitude - Declination) for February . . . . . .
.
29
12(c)
(Latitude - Declination) for March . . . . . . . .
.
30
12(d)
(Latitude - Declination) for April . . . . . . . .
.
30
13
Principal climate regions (R-values) . . . . . . .
.
31
14
Solar aperture area in percent of floorspace
area (System 1) . . . . . . . . . . . . . . . .
. 36
15
Solar aperture area in percent of floorspace
area (System 2) . . . . . . . . . . . . . . . .
. 37
16
Solar aperture area in percent of floorspace
area (System 3) . . . . . . . . . . . . . . . .
. 38
17
Solar aperture area in percent of floorspace
area (System 4) . . . . . . . . . . . . . . . .
. 39
18
Solar aperture area in percent of floorspace
area (System 5) . . . . . . . . . . . . . . . .
. 40
19
Solar aperture area in percent of floorspace
area (System 6) . . . . . . . . . . . . . . . .
. 41
20
Solar aperture area in percent of floorspace
area (System 7) . . . . . . . . . . . . . . . .
. 42
21
Solar aperture area in percent of floorspace
area (System 8) . . . . . . . . . . . . . . . .
. 43
22
Solar aperture area in percent of floorspace
area (System 9) . . . . . . . . . . . . . . . .
.
44
23
Annual heat to load ratio . . . . . . . . . . . .
.
50
24
Air density ratio versus elevation . . . . . . . .
.
53
25
The EHC thickness function (EF) vs X . . . . . . .
.
60
26
The DHC thickness function (DF) vs X . . . . . . .
.
60
27
Sunspace geometries (not to scale) . . . . . . . .
.
68
28
Four-plex family housing unit . . . . . . . . . .
.
76
TABLES
Table
I.
Steady state aperture conductances of passive
systems . . . . . . . . . . . . . . . . . .
.
.
.
25
II.
Representative passive system costs . . . . .
.
.
.
34
III.
R-Factors of building materials . . . . . . .
.
.
.
54
IV.
R-values of air films and air spaces . . . . .
.
.
.
58
V.
Reference design characteristics . . . . . . .
.
.
.
63
VI.
Properties of building materials . . . . . . .
.
.
.
63
VII.
Solar absorptance of various materials . . . .
.
.
.
65
VIII.
Trombe wall reference design characteristics .
.
.
.
66
APPENDIXES
viii
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