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Compound Injection to Assure the Performance of Motor Vehicle Emissions Sampling Systems
ISSN: 0148-7191, e-ISSN: 2688-3627
Published May 01, 1996 by SAE International in United States
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There are many sources of variability when sampling motor vehicle emissions, including intermittant losses to “wetted” sampling system surfaces if water condensation occurs and thermal decomposition if sampling system surfaces get excessively hot. The risk of losses varies during typical transient speed emissions tests and depends upon many variables such as temperature, pressure, exhaust dilution ratio, dilution air humidity, fuel composition, and emissions composition. Procedures are described for injection of known concentrations of compounds of interest into transient motor vehicle exhaust for the purpose of characterizing losses between the vehicle tailpipe and emissions analyzer.
- Fred Stump - U.S. Environmental Protection Agency
- Silvestre Tejada - U.S. Environmental Protection Agency
- Frank Black - U.S. Environmental Protection Agency
- William Ray - U.S. Environmental Protection Agency
- William Crews - ManTech Environmental Technology, Inc.
- Radford Davis - ManTech Environmental Technology, Inc.
CitationStump, F., Tejada, S., Black, F., Ray, W. et al., "Compound Injection to Assure the Performance of Motor Vehicle Emissions Sampling Systems," SAE Technical Paper 961118, 1996, https://doi.org/10.4271/961118.
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