MIL-HDBK-1003/19
Contents - Continued.
5.1.7
Weather parameters . . . . . . . . . . . .
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5.1.7.1
Transmitted radiation to degree day ratio
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5.1.7.2
City parameter . . . . . . . . . . . . . .
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5.1.7.3
Off-south or tilted apertures . . . . . .
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5.1.8
Weather parameter worksheet . . . . . . .
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5.1.9
Auxiliary heat consumption worksheet . . .
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5.2
Design refinement . . . . . . . . . . . . . . .
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5.2.1
System economics . . . . . . . . . . . . . . . .
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5.2.2
System efficiencies . . . . . . . . . . . . . .
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5.2.2.1
System efficiency worksheet for reference month
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5.2.2.2
Improving total system efficiency . . . . . . .
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72
5.2.3
Worksheet for average maximum temperature
during reference month . . . . . . . . . . .
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5.2.4
Annual incremental cooling load . . . . . . . .
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74
5.2.4.1
Delivered solar energy worksheet . . . . . . . .
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5.2.4.2
Incremental cooling load worksheet . . . . . . .
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5.2.4.3
Reducing the incremental cooling load . . . . .
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75
5.3
Example calculations for a four-plex
family
housing unit . . . . . . . . . . .
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75
5.3.1
Description of the building . . . .
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5.3.2
Schematic design parameters . . . .
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5.3.3
Net load coefficient . . . . . . . .
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77
5.3.4
System parameters . . . . . . . . .
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77
5.3.5
Base temperature . . . . . . . . . .
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78
5.3.6
Weather parameters . . . . . . . . .
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79
5.3.7
Auxiliary heat requirements . . . .
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80
5.3.8
Distribution of the solar aperture .
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80
5.3.9
System efficiencies . . . . . . . .
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81
5.3.10
Average maximum temperature . . . .
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5.3.11
Incremental cooling load . . . . . .
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82
5.3.12
Refining the design . . . . . . . .
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83
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6.1
Intended use . . . . . . . . . . . . . . . . . . . 84
6.2
Data requirements . . . . . . . . . . . . . . . . 84
6.3
Subject term (key word) listing . . . . . . . . . 84
FIGURES
Figure
1
Direct gain heating system
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2
Radiant panel system . . .
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3
Frontflow TAP system . . .
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13
4
Backflow TAP system . . .
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13
5
Thermal storage wall . . .
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15
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Sunspace . . . . . . . . .
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15
7
Principal climate regions
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19
8
Solar availability regions
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22
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