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Effect Of Particle Concentration, Sealing Condition And Breathing Rate On Total Inward Leakage For N95 Filtering Facepiece Respirators, Taoreed T. Lawal Jan 2020

Effect Of Particle Concentration, Sealing Condition And Breathing Rate On Total Inward Leakage For N95 Filtering Facepiece Respirators, Taoreed T. Lawal

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Several researchers have considered the relationship between total inward leakage (TIL) and other parameters such as sealing condition, particle concentration, type of particulate material breathing parameters, etc., however, there is dearth of information on the effects of varying particle concentration on the penetration efficiency of filtering facepiece respirators (FFRs), hence, this study aims to study the effect of varying NaCl particle concentration, sealing condition and breathing rate on the TIL as a result of the filtering efficiency of the filters.

To achieve this, we followed the sampling procedure used by He et al., 2014. Four different sealing conditions (SCs) namely; …