Les chambres d’émission, un outil innovant pour étudier les sources de particules

Abstract : Mechanical sollicitations (scratching, drilling, sanding, etc.) are largely used in the professional and domestic fields, and can lead to inhalable aerosol particles release. To tackle this problem, especially for emerging areas as nanomaterial science, further information and data are required. Measurements can be taken on site, and studies can be carried out in the lab. For the latter, the emission chamber is a high performance tool that may be used under specific conditions. The operating principle of an emission chamber is very simple. Clean and particle free air is led through a conduit to the sealed chamber. The testing sample kept in this enclosed space is then stressed in various ways (using mechanical abrasion, etc.). The air is evacuated to particle analysers (size distribution, sampling for analysis by microscopy, etc.). Since 2007, this method has been applied successfully by INERIS to a large scale of fields (e.g buildings and automotive). Nanomaterials are considered e.g in the frame of the FP7 SANWORK project through abrasion tests on CNT and Polyamide fibers containing composites.
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Olivier Le Bihan. Les chambres d’émission, un outil innovant pour étudier les sources de particules. Rapport Scientifique INERIS, 2013, 2012-2013, pp.44-45. ⟨ineris-01869460⟩

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