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A brake wear dynamometer with a constant-volume sampling system was demonstrated to measure driving distance-based mass emission factors of airborne brake wear particulate matter (PM) and particle number (PN). This presentation will show the effect of emissions associated with vehicle type on brake loads in the WLTP-Brake cycle. According to the worst-case principle, the EU suggests that criteria pollutant emissions of all vehicles of the certification family should be determined for a test mass equalling test mass high and the respective road load factors. (e.g. WLTP-DHC14-DTP11-02). The results of this study contribute to the discussion of the necessity of a certification family based on a function of vehicle weight per brake friction for the measurement of brake emissions.
Japan Automobile Research Institute: Dr. Hiroyuki Hagino
Emission of brake wear particles from modern passenger car brakes: A necessary certification family for brake emissions?
EB2022-FBR-016 • Oral • EuroBrake 2022 • New procedures for brake testing and type approval
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