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The Survivability of Diesel Fuel Components in the Organic Fraction of Particulate Emissions from an IDI Diesel
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Abstract
A mass balance has been carried our between fuel and particulate SOF n-alkanes and the survivability of a range of fuel n-alkanes was determined, Similarly the survivability of fuel PAH was determined and compared with the equivalent boiling point n-alkanes. A Petter AA1 single cylinder IDI engine was used with direct particulate sampling at 50C from the exhaust. The PAH and n-alkane fuel component survivabilities were mainly below 0.1%, indicating that unburnt fuel was the dominant source of particulate PAH. However, at maximum power there was an order of magnitude difference in the survivabilities of some PAH and n-alkanes. This indicated a possible pyrosynthesis source of PAH or a role of the engine and exhaust deposits in releasing PAH. The results confirm previous conclusions from test on a DI engine.
Authors
Citation
Abbass, M., Andrews, G., Kennion, S., Williams, P. et al., "The Survivability of Diesel Fuel Components in the Organic Fraction of Particulate Emissions from an IDI Diesel," SAE Technical Paper 910487, 1991, https://doi.org/10.4271/910487.Also In
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