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 MIL-HDBK-1003/13A
Table 2-4.
Guide to Selection of Number of Transparent Cover Plates.
Optimum Number of
Cover Plates
Collection
Typical Applications
Temperature Above
Black-Painted Selective
Ambient Temperature
Absorber
Absorber
(tc - ta)
[epsilon] = [epsilon] =
0.9 or 0.95
0.2 or less
-5 deg. C to +5 deg. C
Heat source for heat
(-10 deg. F to +10 deg. F)pump
Heating of swimming
none
none
pools in summer
Air heating for drying
5 deg. C to 35 deg. C
Domestic water heating
(10 deg. F to 60 deg. F)
Heating of swimming
pools in winter
1
1
Air heating for drying
Solar distillation
Space heating in non-
freezing climates
35 deg. C to 55 deg. C
Winter water heating
(60 deg. F to 100 deg. F)
2
1
Winter space heating
55 deg. C to 80 deg. C Summer air conditioning
(100 deg. F to 150 deg. F)
Steam production in
summer
3
2
Refrigeration
Cooking by boiling
23
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