An Investigation of dust generation by free falling powders

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      <subfield code="a">To identify the dust generation processes, aluminium oxide powder was dropped as a free falling slug in a tes chamber. The effect of the slug's mass, diameter, and drop height upon the aerosol concentration and size distribution was measured with an aerodynamic particle sizer. Aerosol gemneration can reduced by minimizing the contact between the falling powder and the air</subfield>
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      <subfield code="g">Vol. 53, nº 10, October 1992 ; p. 617-624</subfield>
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