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In a wind
tunnel, technician Brent Schroeder prepares to measure how
live plants and straw residue slow windblown soil erosion. |
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Portable wind
tunnel. |
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Portable wind
tunnel. |
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Pattern of
flow around 1 inch angle iron. |
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Saltating
particles in wind tunnel. (Note rotation of particles)
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Saltating dune
sand in wind tunnel. |
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Saltating dune
sand in wind tunnel. |
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Wind tunnel
study of shelterbelt models. |
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Tunnel study
of shelterbelts and surface barrier effects on wind velocities,
evaporation, house heating and snow drifting. |
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William S.
Chepil in the WERU wind tunnel. |
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Soil clods
ready to be abraded on windward side of tunnel.
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What was once
a flat sand surface has been changed to a wavy surface by a wind of 7 m/s. |
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A rake of pitot tubes is used to determine the velocity profile above a sand surface in a wind tunnel.
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Large wind
tunnel at the WERU, with two soil catchers. Brent Schoeder in the photo. |
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Soil clods
ready to be abraded on windward side of tunnel.
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