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Evaluation of the Bag Mini-Diluter and Direct Vehicle Exhaust Volume System for Low Level Emissions Measurement
Technical Paper
2000-01-0793
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
With the adoption of the California Low-Emission Vehicle Regulations and the associated lower emission standards such as LEV (Low-Emission Vehicle in 1990), ULEV (Ultra-Low-Emission Vehicle), and LEV II (1998 with SULEV-Super Ultra Low Emission Vehicle), concerns were raised by emissions researchers over the accuracy and reliability of collecting and analyzing emissions measurements at such low levels. The primary concerns were water condensation, optimizing dilution ratios, and elimination of background contamination. These concerns prompted a multi-year research program looking at several new sampling techniques. This paper will describe the cooperative research conducted into one of these new technologies, namely the Bag Mini-Diluter (BMD) and Direct Vehicle Exhaust (DVE) Volume system.
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Authors
- Donald B. Nagy - Powertrain Div., General Motors Corporation
- Jeffrey Loo - Powertrain Div., General Motors Corporation
- Jim Tulpa - Powertrain Div., General Motors Corporation
- Pat Schroeder - Powertrain Div., General Motors Corporation
- Rick Middleton - DaimlerChrysler Corporation
- Craig Morgan - DaimlerChrysler Corporation
Topic
Citation
Nagy, D., Loo, J., Tulpa, J., Schroeder, P. et al., "Evaluation of the Bag Mini-Diluter and Direct Vehicle Exhaust Volume System for Low Level Emissions Measurement," SAE Technical Paper 2000-01-0793, 2000, https://doi.org/10.4271/2000-01-0793.Also In
References
- SAE technical paper series 930141 “A Sampling for the Measurement of Pre-Catalyst Emission from Vehicles Operated Under Transient Conditions” March 1st 1993 McLeod Jon et al
- SAE technical paper series 1999-01-0151 “A CFV Type Mini-Dilution Sampling System for Vehicle Exhaust Emissions Measurement” March 1999 Silvis William M. et al
- SAE technical paper series 1999-01-1460 “A New Proportional Collection System for the Extremely Low Emission Measurement in Vehicle Exhaust” March 1999 Yoda Kimikazu et al