This paper describes the laboratory effort to relate quantities of diesel particulate volatile organics obtained by DFI/GC™ to those obtained by traditional methods of organic analysis. Experiments were designed to investigate the potential usefulness of DFI/GC for determining the organic fraction and unburned lubricating oil contributions of diesel particulate emissions for future technology engines. A 1991 Caterpillar 3176 was used to generate samples during several heavy-duty engine test cycles, including the cold- and hot-start transient FTP and several steady-state conditions. Particulate-laden filter samples were then analyzed for organics by DFI/GC, solvent extraction, and vacuum volatilization. Results obtained using the three techniques were compared using statistical analysis techniques. Results showed that DFI/GC is extremely useful for directly determining the organic fraction of diesel particulate, and provides a better estimation of unburned lubricating oil contribution to the organic fraction than the other methods evaluated.
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July 1992
Research Papers
Application of Methods for Determining Total Organic Contribution to Diesel Particulates
M. S. Newkirk
M. S. Newkirk
Southwest Research Institute, San Antonio, TX 78228
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M. S. Newkirk
Southwest Research Institute, San Antonio, TX 78228
J. Eng. Gas Turbines Power. Jul 1992, 114(3): 578-589 (12 pages)
Published Online: July 1, 1992
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Received:
October 4, 1991
Online:
April 24, 2008
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Newkirk, M. S. (July 1, 1992). "Application of Methods for Determining Total Organic Contribution to Diesel Particulates." ASME. J. Eng. Gas Turbines Power. July 1992; 114(3): 578–589. https://doi.org/10.1115/1.2906627
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