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Study on the Measuring Method of Vehicular PM Size Distribution to Simulate the Atmospheric Dilution Process
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 21, 2002 by SAE International in United States
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The measuring method of vehicular particulate matter (PM) size distribution to simulate the atmospheric dilution process was studied. PM size distribution was measured with a scanning mobility particle sizer (SMPS). To simulate the atmospheric dilution process with a chassis dynamometer test, a chasing experiment was done in order to obtain reference data. A light duty diesel truck was selected as a basic test vehicle. Three sizes of prototype partial flow diluters (PPFD) were made to reproduce the PM size in the atmosphere. The PM sizes of the chasing experiment and the PPFD experiment was roughly agreed. Differences in the data obtained from a full flow dilution tunnel and the chasing experiments were investigated. The length of the transfer tube greatly affected the smaller side of the PM number concentration.
CitationSasaki, S. and Nakajima, T., "Study on the Measuring Method of Vehicular PM Size Distribution to Simulate the Atmospheric Dilution Process," SAE Technical Paper 2002-01-2716, 2002, https://doi.org/10.4271/2002-01-2716.
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