The CRECK Modeling Group

Detailed kinetic mechanisms and CFD of reacting flows

Alessio FrassoldatiAlessio Frassoldati

Associate Professor

Department of Chemistry, Materials, and Chemical Engineering, Politecnico di Milano

Phone: +390223993286

Fax: +390270638173

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Research interests

My main research interests are focused on the kinetic modeling of pyrolysis, oxidation and combustion processes and on fluid dynamic analyses of devices for combustion processes. In particular, my current research activities cover the following fields:

Interactions between turbulence and kinetics: coupling between detailed kinetics and complex fluid dynamics to predict and to study the formation of pollutant species (unburned hydrocarbons, aldehydes, PAHs, NOx and soot) in combustion devices (combustors for aeromobiles, burners, industrial furnaces, etc.). The main goals are the understanding of physical and chemical phenomena occurring in combustion processes and the creation of new and more efficient combustion devices, characterized by a reduction of pollutant emissions. In this context large attention is devoted to the problem of interactions between turbulence and chemistry, to better understand the effects of turbulent fluctuations on the formation of pollutant species.

Energy and transports: kinetic modeling and fluid dynamic analyses of internal combustion engines and new engines (low temperature oxidation mechanisms, cool flames, autoignition and knocking, evaporation and autoignition of fuel droplets, etc.). At present, particular attention is devoted to the definition of surrogate mixtures to mimic the combustion behavior of real transportation fuels.

 

Teaching

Chemical plants

Error analysis

Combustion and formation of pollutants

 

Recent publications

P.E. Debiagi, C. Pecchi, G. Gentile, A. Frassoldati, A. Cuoci, T. Faravelli, E. Ranzi, Extractives extend the applicability of multistep kinetic scheme of biomass pyrolysis (2016) Energy & Fuels, In press, DOI: 10.1021/acs.energyfuels.5b01753

Ranzi, E., Cavallotti, C., Cuoci, A., Frassoldati, A., Pelucchi, M., Faravelli, T., New reaction classes in the kinetic modeling of low temperature oxidation of n-alkanes (2015) Combustion and Flame, 162 (5), pp. 1679-1691, DOI: 10.1016/j.combustflame.2014.11.030

Cuoci, A., Frassoldati, A., Faravelli, T., Ranzi, E., OpenSMOKE++: An object-oriented framework for the numerical modeling of reactive systems with detailed kinetic mechanisms (2015) Computer Physics Communications, 192, pp. 237-264, DOI: 10.1016/j.cpc.2015.02.014

Saggese, C., Ferrario, S., Camacho, J., Cuoci, A., Frassoldati, A., Ranzi, E., Wang, H., Faravelli, T., Kinetic modeling of particle size distribution of soot in a premixed burner-stabilized stagnation ethylene flame (2015) Combustion and Flame, Article in Press, DOI: 10.1016/j.combustflame.2015.06.002

Jin, H., Frassoldati, A., Wang, Y., Zhang, X., Zeng, M., Li, Y., Qi, F., Cuoci, A., Faravelli, T., Kinetic modeling study of benzene and PAH formation in laminar methane flames (2015) Combustion and Flame, 162 (5), pp. 1692-1711, DOI: 10.1016/j.combustflame.2014.11.031

Pelucchi, M., Somers, K.P., Yasunaga, K., Burke, U., Frassoldati, A., Ranzi, E., Curran, H.J., Faravelli, T., An experimental and kinetic modeling study of the pyrolysis and oxidation of n-C3C5 aldehydes in shock tubes (2015) Combustion and Flame, 162 (2), pp. 265-286, DOI: 10.1016/j.combustflame.2014.07.027

Jin, H., Yuan, W., Wang, Y., Li, Y., Qi, F., Cuoci, A., Frassoldati, A., Faravelli, T., Experimental and kinetic modeling study of laminar coflow diffusion methane flames doped with 2-butanol (2015) Proceedings of the Combustion Institute, 35 (1), pp. 863-871, DOI: 10.1016/j.proci.2014.05.128

Cuoci, A., Frassoldati, A., Faravelli, T., Ranzi, E., Numerical modeling of auto-ignition of isolated fuel droplets in microgravity (2015) Proceedings of the Combustion Institute, 35 (2), pp. 1621-1627, DOI: 10.1016/j.proci.2014