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Cooperative Evaluation of Techniques for Measuring Nitric Oxide and Carbon Monoxide (Phase IV Tests)
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Abstract
This is the fourth in a series of tests conducted as a Coordinating Research Council cooperative program to evaluate the measurement methods used to analyze diesel exhaust gas constituents. A multi-cylinder engine was circulated to 15 participants who measured emissions at three engine conditions. All 15 participants measured nitric oxide and carbon monoxide with several laboratories measuring nitric oxide by both NDIR (Non-Dispersive Infrared) and CHEMI (Chemiluminescence). Some participants also measured carbon dioxide, nitrogen dioxide, oxygen, and unknown span gases. The test results are compared with the Phase III cooperative tests which involved simultaneous measurement of emissions by participants. The precision of the results was poorer in Phase IV than Phase III.
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Perez, J., Broering, L., and Johnson, J., "Cooperative Evaluation of Techniques for Measuring Nitric Oxide and Carbon Monoxide (Phase IV Tests)," SAE Technical Paper 750204, 1975, https://doi.org/10.4271/750204.Also In
References
- “Cooperative Evaluation of Techniques for Measuring Hydrocarbons in Diesel Exhaust.” Feb. 1970
- “Cooperative Evaluation of Techniques for Measuring NO and CO in Diesel Exhaust.” March 1971
- SAE Recommended Practice, Measurement of Carbon Dioxide, Carbon Monoxide, and Oxides of Nitrogen in Diesel Exhaust-SAE Jl77 SAE Handbook
- CRC-APRAC CAPI 1-64 Phase IV Hydrocarbon Results, CRC Report
- “Cooperative Evaluation of Techniques for Measuring NO and CO in Diesel Exhaust-Phase IV,” August 1974
- Bauer J. “Statistical Methods for Chemists.” 1971 21