Browse Publications Technical Papers 2016-01-0993
2016-04-05

Optimized On-Board PM Analyzer Consisting of Real-Time Diffusion Charger Sensor and Particulate Sampler 2016-01-0993

Recently, it was reported that the atmospheric pollution levels of nitrogen dioxide (NO2) and particulate matter (PM) are not decreasing despite the introduction of stricter vehicle emission regulations. The difference between conditions of the test cycles defined by the vehicle emission regulations and the real driving can contribute to the differences between expected and actual pollution levels. This has led to the introduction of in-use vehicle emission monitoring and regulations by means of a portable emission measurement system (PEMS). An optimized on-board PM analyzer was developed in this study. The on-board PM analyzer is a combination of a partial flow dilution system (PFDS) particulate sampler and a diffusion charger sensor (DCS) for real-time PM signals. The measuring technology and basic performance of the analyzer will be explained. Acceleration of the vehicle can cause uncertainty of flow measurement in the PM sampler. The influence of the vehicle acceleration was minimized by compensation for each flowmeter. Good correlation in emission measurement between the on-board PM analyzer and a stationary PFDS used for certification tests in the engine test cell was observed. The on-board PM analyzer was installed in light duty diesel vehicles equipped with or do not equipped with a diesel particulate filter. The applicability of the analyzer to the on-board measurement and PM emission behavior during the real driving condition will be discussed.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 16% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
JOURNAL ARTICLE

Analytic Solution for the Flow Distribution and Pressure Drop of Ceramic Partially-Plugged Wall Flow Diesel Particulate Filters

2015-01-1056

View Details

TECHNICAL PAPER

Advanced Emission Control for Motorcycles, Scooters and Recreational Vehicles

2006-32-0020

View Details

TECHNICAL PAPER

Euro - III Emission Control for Open Loop 2-Wheelers

2007-26-013

View Details

X