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Direct Analysis of Diesel Particulate-Bound Hydrocarbons by Gas Chromatography with Solid Sample Injection
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English
Abstract
Particulate-bound hydrocarbons emitted by diesel engines have been analysed using a rapid new technique. The method involves directly loading filter-borne particulate into a modified injection port of a gas chromatograph. Hydrocarbons are vaporized in this solid sample injection system and subsequently become adsorbed on to a chromatography column. The merits of this procedure are demonstrated by comparing results with those obtained using conventional gas chromatography (with liquid injection) and thermogravimetry. The contribution of unburned engine oil to diesel particulate emissions has been investigated using the new method. For a DI truck diesel engine operated over the U.S. Federal Heavy Duty Transient Cycle it is shown that 40% of the particulate appears to be derived from unburned oil. For a comparable IDI truck diesel engine this value was 28%.
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Authors
Citation
Cuthbertson, R., Shore, P., Sundström, L., and Hedén, P., "Direct Analysis of Diesel Particulate-Bound Hydrocarbons by Gas Chromatography with Solid Sample Injection," SAE Technical Paper 870626, 1987, https://doi.org/10.4271/870626.Also In
SAE 1987 Transactions Alternative Engines and Engine Components and Systems
Number: V96-5; Published: 1988-09-01
Number: V96-5; Published: 1988-09-01
References
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