Questions for Microclimates - Wind Controls
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Generally, why does increased air velocity reduce the sensation
of heat on the body at temperatures below 91.5?
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What is the typical increase in air speed at a ridgeline
compared to a weather slope?
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Wind speed is reduce in front of and behind an impenetrable
barrier. How far in front and behind the barrier is the speed
reduction noticeable?
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What reduction in wind speed can be expected immediately
leeward of a dense evergreen wind break?
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How are wind speeds affected by trees with canopies?
Is the air speed below the canopy of deciduous trees in leaf less or more?
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True/False Low to medium height shrubs, located
at or as far as to feet from a building, windward wall with open windows,
cause air flow to drop to the floor inside the building.
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Your web page presentation showed a wind break of 30' tall, deciduous cottonwoods
arranged in a single row. The permeability of the windbreak was
defined as "medium density above, open
below" line. What was the wind speed 300 ' from the lee side of
the wind break? |
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