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Nanoparticles Characterization at Spark Ignition Engine Exhaust
ISSN: 0148-7191, e-ISSN: 2688-3627
Published September 11, 2005 by Consiglio Nazionale delle Ricerche in Italy
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The aim of the paper is the characterization in terms of chemical and physical nature of particles at exhaust of spark ignition (SI) engine. Measurements were carried out at exhaust of 16v - 1.2 litre Port Fuel Injection Spark Ignition engine downstream a catalyst.
The emission of nanoparticles was investigated by optical techniques and conventional methods. In particular laser induced incandescence (LII), and broadband multiwavelength extinction-scattering spectroscopy (BUVESS) were used. LII allowed the detection and sizing primary particles of carbonaceous nature. BUVESS measured particle size distribution by numerical procedure that took advantage by data at several wavelengths. The optical results were compared with those obtained by conventional methods like opacimeter for mass concentration and Electrical Low Pressure Impactor (ELPI) for sizing. Different engine operating conditions were selected in order to evaluate their influence on the particle nature and size distribution.
- S. Di Iorio - Istituto Motori – National Research Council – Via G. Marconi, 8 – 80125, Naples (Italy)
- S. S. Merola - Istituto Motori – National Research Council – Via G. Marconi, 8 – 80125, Naples (Italy)
- B. M. Vaglieco - Istituto Motori – National Research Council – Via G. Marconi, 8 – 80125, Naples (Italy)
- C. Tornatore - Department of Chemical Engineering – University of Naples “Federico II” – Naples (Italy)
CitationDi Iorio, S., Merola, S., Vaglieco, B., and Tornatore, C., "Nanoparticles Characterization at Spark Ignition Engine Exhaust," SAE Technical Paper 2005-24-010, 2005, https://doi.org/10.4271/2005-24-010.
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