MIL-HDBK-1011/2
3.2.1
Introduction . . . . . . . . . . . . . . . . . .
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3.2.1.1
Zoned Buildings . . . . . . . . . . . . . . . . .
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3.2.1.2
Seasonally Adjustable Buildings . . . . . . . . .
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3.2.2
Requirements and Recommendations . . . . . . . .
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3.2.2.1
Early Stages of Design . . . . . . . . . . . . .
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3.2.2.2
Considerations for Zoned Buildings . . . . . . .
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3.2.2.3
Considerations for Seasonably Variable Buildings
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3.2.2.4
Computer Applications . . . . . . . . . . . . . .
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3.2.2.5
Seasonal Adjustments . . . . . . . . . . . . . .
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3.2.3
Special Considerations . . . . . . . . . . . . .
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3.2.3.1
Mechanical Systems Integration . . . . . . . . .
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3.2.3.2
Heat Loss through Glazed Areas . . . . . . . . .
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3.2.4
Analysis and Testing Procedure . . . . . . . . .
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4.1
Introduction . . . . . . . . . . . . . . . . .
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4.2
Site Selection and Planning . . . . . . . . . .
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4.2.1
General Principles . . . . . . . . . . . . . .
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4.2.2
Ventilative Considerations . . . . . . . . . .
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4.2.2.1
Topographic Features . . . . . . . . . . . . .
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4.2.2.2
Obstructions . . . . . . . . . . . . . . . . .
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4.2.2.3
Pollution Sources. . . . . . . . . . . . . . .
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4.2.2.4
Placing a New Building in a Developed Area. . .
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4.2.2.5
Dimensions of the Obstructions. . . . . . . . .
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4.2.2.6
Homogeneity or Variability of Building Height.
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4.2.2.7
Orientation of Streets with Regard to
Prevailing Winds . . . . . . . . . . . . . . .
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4.2.2.8
Distribution, Size and Details of Planted and
Open Areas . . . . . . . . . . . . . . . . . .
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4.2.3
Thermal and Other Considerations . . . . . . .
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4.2.3.1
Solar Shading . . . . . . . . . . . . . . . . .
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4.2.3.2
Reflectance . . . . . . . . . . . . . . . . . .
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4.2.3.3
Slope . . . . . . . . . . . . . . . . . . . . .
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4.2.3.4
Elevation/Altitude . . . . . . . . . . . . . .
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4.2.3.5
Proximity to water . . . . . . . . . . . . . .
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4.3
Landscaping . . . . . . . . . . . . . . . . . .
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4.3.1
General Principles . . . . . . . . . . . . . .
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4.3.2
The Shelter Effect . . . . . . . . . . . . . .
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4.3.2.1
Effect of the Physical Dimension of Windbreak
on Sheltered Areas . . . . . . . . . . . . . .
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4.3.2.2
Effect of Porosity of the Windbreak on
Sheltered Area . . . . . . . . . . . . . . . .
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4.3.2.3
Wind Incidence . . . . . . . . . . . . . . . .
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4.3.2.4
Type of Vegetation . . . . . . . . . . . . . .
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4.3.2.5
Recommendations for Windbreaks . . . . . . . .
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4.3.2.6
Recommendations to Avoid Sheltered Areas . . .
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4.3.3
Change in the Direction and Velocity of Airflow
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4.3.3.1
Deflecting Airflow . . . . . . . . . . . . . .
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4.3.3.2
Increasing Wind Velocities . . . . . . . . . .
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4.3.4
Thermal Considerations
4.3.4.1
Blocking Solar Radiation . . . . . . . . . . .
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4.3.4.2
Ground Reflectance . . . . . . . . . . . . . .
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4.3.5
Other Considerations . . . . . . . . . . . . .
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4.3.5.1
Reducing Airborne Dust . . . . . . . . . . . .
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