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Characteristics of PM from Laminar Diffusion Flame with Surrogate Gasoline Fuel
Published May 23, 2012 by Society of Automotive Engineers of Japan in Japan
Since the engine combustion is affected by various engine parameters as well as fuel characteristics, it is very difficult to find out the clear effect of fuel property. In order to clarify the change of emission characteristic caused by fuel change, we propose a fundamental flame research method using a small pool flame system. Characteristic of PM exhausted from a laminar diffusion flame of gasoline fuel was measured by a combustion type PM analyzer and a SMPS (Scanning Mobility Particle Sizer). Surrogate gasoline fuel and toluene (aromatic hydrocarbon) added surrogate gasoline fuel were used to clarify the effect of the aromatic hydrocarbon in the fuel. As the result, it was found that the exhaust-PM concentration increased and PM size with increasing of toluene concentration.