Particle Number Emissions from a Range of European Vehicles
Date Published: 2010-04-12
Paper Number:2010-01-0786
DOI: 10.4271/2010-01-0786
Citation:
Braisher, M., Stone, R., and Price, P., "Particle Number Emissions from a Range of European Vehicles," SAE Technical Paper 2010-01-0786, 2010, doi:10.4271/2010-01-0786.
In light of forthcoming particle number legislation for light-duty passenger vehicles, time-resolved Particle Mass (PM) and Particle Number (PN) emissions over the New European Drive Cycle (NEDC) are reported for four current vehicle technologies; modern diesel, with and without a Diesel Particulate Filter (DPF), Direct Injection Spark Ignition (DISI) gasoline and multi-point Port Fuel Injection (PFI) gasoline. The PN and PM emissions were ordered (highest to lowest) according to:
Non-DPF diesel > DISI > PFI ∼ DPF diesel
Both the non-DPF diesel and DISI vehicles emitted PN and PM continuously over the NEDC. This is in contrast with both the DPF diesel and PFI vehicles which emitted nearly all their PN and PM during the first 200 seconds. The PFI result is thought to be a consequence of cold-start mixture preparation whilst several possible explanations are offered for the DPF diesel trend.
The DPF diesel vehicle emitted less nucleation mode particulate matter than the other three vehicles and over 4 orders of magnitude less than the non-DPF diesel vehicle.
File Size: 2973K
Product Status: In Stock
See papers presented at SAE 2010 World Congress & Exhibition, April 2010, Detroit, MI, USA, Session: Emissions Measurement and Testing: Particle Emissions from Combustion Sources (Part 1 of 2)
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