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Développement d’une méthodologie d’évaluation des performances des microcapteurs de particules en condition de circulation automobile sur Paris

Abstract : Since the average time spent in automotive interiors in industrialized countries exceeds one hour a day, the monitoring of individual PM exposures in such environments is a matter of public concern. Low-cost optical sensors seem to be able to tackle this challenge thanks to interesting features. However, although the benefits of such products are many, technical locks subsist and are just as numerous. Focused on PM2.5 and carried out in real conditions of mobility by Paris, this study aims to present the first results of an innovative methodology comparing data provided by low-cost optical sensors, optical PM-counters and reference measurements under real traffic conditions. Although the results of the two campaigns show large differences between the nominal values provided by the sensors and those obtained by gravimetry, they nevertheless tend to validate the methodological approach and to show that the reference-sensor correlation coefficients remain high (r = 0 , 74). The exploitation of all the acquisitions provides the tracks for understanding the metrological biases observed.
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https://hal-ineris.archives-ouvertes.fr/ineris-03319934
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Submitted on : Friday, August 13, 2021 - 3:03:31 PM
Last modification on : Saturday, August 14, 2021 - 3:08:24 AM

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Brice Berthelot, Ambre Delater, Sébastien Fable, Cécile Raventos, Jessica Queron, et al.. Développement d’une méthodologie d’évaluation des performances des microcapteurs de particules en condition de circulation automobile sur Paris. 33ème Congrès Français sur les Aérosols (CFA 2020), Jan 2020, Paris, France. ⟨10.25576/ASFERA-CFA2020-19702⟩. ⟨ineris-03319934⟩

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