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Journal of the Japan Institute of Energy Vol. 100 (2021), No. 1

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ONLINE ISSN: 1882-6121
PRINT ISSN: 0916-8753
Publisher: The Japan Institute of Energy

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Journal of the Japan Institute of Energy Vol. 100 (2021), No. 1

A study on Measurement of Particulate Matter Weight by Transmitted Light Attenuation Method

Tatsushi NAKASHIMA, Yoshihiko MATSUI, Syuuichi MATSUMOTO, Yoshiaki NISHIJIMA, Hiroshi ENOMOTO

pp. 1-4

Abstract

Usually, we measure particulate matter weight using PM sensor in production. The PM sensor needs measurement period of 30 seconds due to whole gas flow for weight accumulation. This paper presents a study on measurement of particulate matter weight by transmitted light attenuation method based on Lambert-Beer law. We propose that the intensity of transmitted light attenuation is proportional to the particulate matter weight. Our transmitted light attenuation method clarifies the transition of Soot weight and enables whole weight measurement within 400 milliseconds by LASER density attenuation through PM gas. In addition, we introduce the effects for light attenuation by PM diameter distribution.

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A study on Measurement of Particulate Matter Weight by Transmitted Light Attenuation Method

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