An Empirical model for estimating the collection efficiency of dust-mist respirators

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      <subfield code="a">An Empirical model for estimating the collection efficiency of dust-mist respirators</subfield>
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      <subfield code="a">This paper compares experimental measurements of filter performance with predictions of aerosol collection by dust-mist respirators using the single fibre efficiency model and an empirical model developed by the authors. The former, a theoretically-based semi-empirical model, indicates that mechanical phenomena such a impaction, interception and diffusion are responsible for omly a fraction of the collection efficiency of dust-mist respirators, i.e. 30-70% depending of particle size</subfield>
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      <subfield code="g">nº 2, April 1993 ; p. 135-150</subfield>
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