The Effect of Sulphur in Diesel Exhaust Aerosol: Models Compared with Measurements

作者: Mikko Lemmetty , Topi Rönkkö , Annele Virtanen , Jorma Keskinen , Liisa Pirjola

DOI: 10.1080/02786820802360682

关键词: NucleationDiesel fuelCondensationAerosolLubricantMechanicsDiesel exhaustDilutionSootChemistryMineralogy

摘要: A nodal aerosol dynamics model TUTEAM (Tampere University of Technology Exhaust Aerosol Model) was developed to study the number and mass evolution exhaust particles in a dilution system. The includes processes such as nucleation, condensation, coagulation, wall losses it takes into account temperature cooling profiles. considers nucleation soot modes separately. For fractal structure implemented take density size, which continuously vary due accurately. compared with set dynamometer measurements heavy-duty diesel vehicle different lubricant oils fuels, sectional AEROFOR. trends mode geometric median diameter concentration function fuel sulphur contents were reproduced well. Also predicted particle composition agreement Schneider e...

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