Browse Publications Technical Papers 2010-32-0047
2010-09-28

Real-time Particle Emissions from 2-stroke Motorbikes with and without PMP Sampling System 2010-32-0047

This paper describes various aspects of the particle emissions from a 2-stroke motorbike. It gives an indication of issues which may face emissions engineers if (or when) such vehicles become subject to particulate legislation similar to that for light duty vehicles.A DMS500 fast particulate spectrometer was used to examine transient particle emissions from the CVS tunnel for two 2-stroke motorbikes over the European ECE R47 and urban New European Drive Cycle (NEDC) drive cycles. One was direct injected and the other was carburretted.Transient size spectra and number data from the output of a two stage, Particulate Measurement Program (PMP) compliant heated dilution system are presented for the carburretted 2-stroke motorbike running the urban phase of the NEDC. Estimates of the particle number emissions relative to the Euro 5b light-duty diesel vehicle legislation are presented.

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