sand creep collector
A collector and material technology, applied in the field of instruments for measuring wind and sand flow, can solve the problems of inconsistent moving speed of sand particles, no consideration of the friction coefficient between the sand material and the observed surface, large measurement results, etc., and achieves a simple and practical manufacturing process. Simple structure and improved accuracy
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[0018] Such as figure 1 , figure 2 As shown, the sand material creeping collector is cylindrical, and the cylinder body 1 has a diameter of 200mm and a height of 250mm. Such as figure 1 , image 3 As shown, there is a sand inlet hole 3 in the center of the top cover surface, and the diameter of the sand inlet hole 3 is 6mm. The surface of the top cover 2 is covered with a layer of sand material 4 whose particle size is consistent with the research area. The diameter of the top cover 2 is 240mm, and a circle of inner edges 5 is fixedly welded under the top cover 2 . The inner edge 5 is 20 mm high and inserted into the cylinder body 1, and the sand-gathering funnel 6 is fixedly welded on the bottom of the top cover 2, and the sand-gathering funnel 6 communicates with the sand inlet hole 3. There is a dense mesh 7 at a height of about 20 mm above the top cover 2. The dense mesh 7 is welded on the top cover 2 by thin lead wires and is directly above the sand inlet hole 3. Th...
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