Development Of Heavy-Duty Diesel Portable, On-Board Mass Exhaust Emissions Monitoring System With NOx, CO2 And Qualitative PM Capabilities 2001-01-3641
To complement laboratory emissions tests and to obtain emissions data for events that are difficult to simulate, a portable, on-board mass exhaust emissions monitoring system has been developed. The system utilizes NDIR for CO and CO2, an electrochemical cell for NOx and laser light scattering detectors for PM real-time concentrations measurements. Exhaust flow is determined computationally from engine operating data using mass balance equations. The system is designed to easily and quickly install on a large variety of vehicles, including buses with passengers on board, and to produce a wealth of on-road data with minimal downtime and travel of the vehicle tested.
Citation: Vojtisek-Lom, M. and Allsop, J., "Development Of Heavy-Duty Diesel Portable, On-Board Mass Exhaust Emissions Monitoring System With NOx, CO2 And Qualitative PM Capabilities," SAE Technical Paper 2001-01-3641, 2001, https://doi.org/10.4271/2001-01-3641. Download Citation
Michal Vojtisek-Lom, Joseph E. Allsop
Clean Air Technologies International, Inc.
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