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A portable wind tunnel was designed and built to research wind erosion of soil and simultaneous emissions of fine dust from agricultural fields. This approach allowed for time efficient, in situ measurements of erosion processes under controlled wind conditions. The tunnel had an overall length of 13 m with a working section 7.3 m long, 1.0 m wide, and 1.2 m high. Power was supplied using a 33-kW gasoline engine driving a 1.4-m industrial fan.
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Pietersma et al. (1996) studied this question.
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