Alessandro Stagni

Alessandro Stagni

Alessandro Stagni

Assistant Professor

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

Office: +390223994716

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Research interests

My research activity deals with the chemical-kinetic analysis of reacting systems of hydrocarbons, and is ultimately targeted at accommodating the information included in detailed kinetic mechanisms into large-scale computations. For this reason, my research interest is devoted, to a large extent, to the reduction of chemical kinetic mechanisms to a skeletal level, in such a way to allow their use for the numerical applications of interest. Starting from the lumping methodology to model the combustion and pyrolysis of hydrocarbons with a lower number of species, my work in the recent years has been first focused to attaining a further level of reduction through the implementation of approaches based on flux analysis and sensitivity analysis. As a result, a numerical tool for mechanism reduction, called DoctorSMOKE, has been finalized. Acquiring such a capability paved the way to carry out fundamental studies targeted at getting a deeper insight on the interaction between kinetics and fluid dynamics on the ignition behavior and pollutants formation. 


Education profile

July 2016 - Present. Postdoctoral research fellow at Politecnico di Milano.

February - November 2015. Visiting Student Researcher at Stanford University (Prof. Ihme's group)

November 2012 - July 2016. PhD in Industrial Chemistry and Chemical Engineering at Politecnico di Milano.

September - December 2011. Internship at Procter & Gamble. Process Engineer in R&D Microprocessing Department

2009-2011. Double Degree in Chemical Engineering at Alta Scuola Politecnica (Politecnico di Milano - Politecnico di Torino). Multidisciplinary Project: "REPACK: Sustainable Packaging for Fast Moving Consumer Goods", sponsored by Procter & Gamble.

2009-2011. Master of Science in Chemical Engineering at Politecnico di Milano. Thesis title: "Metodi Numerici di Calcolo Parallelo per la soluzione di reti di reattori". Advisors: Prof. Tiziano Faravelli and Prof. Alberto Cuoci

2006-2009. Bachelor of Science in Chemical Engineering at Politecnico di Milano. Thesis title: "Modellazione di un impianto IGCC". Advisors: Prof. Tiziano Faravelli and Ing. Luca Mancuso (Foster Wheeler Italiana).


Recent publications

Franzelli, B., Cuoci, A., Stagni, A., Ihme, M., Faravelli, T., Candel, S., Numerical investigation of soot-flame-vortex interaction (2017), Proceedings of the Combustion Institute, 36 (1), pp. 753-761, DOI: 10.1016/j.proci.2016.07.128

Stagni, A., Esclapez, L., Govindaraju, P., Cuoci, A., Faravelli, T., Ihme, M., The role of preferential evaporation on the ignition of multicomponent fuels in a homogeneous spray/air mixture (2017), Proceedings of the Combustion Institute, 36 (2), pp. 2483-2491, DOI: 10.1016/j.proci.2016.06.052

Frassoldati, A., Cuoci, A., Stagni, A., Faravelli, T., Ranzi, E., Skeletal kinetic mechanism for diesel combustion (2017), Combustion Theory and Modelling, 21 (1), pp. 79-92, DOI: 10.1080/13647830.2016.1222082

Bernardi, M.S., Pelucchi, M., Stagni, A., Sangalli, L.M., Cuoci, A., Frassoldati, A., Secchi, P., Faravelli, T., Curve matching, a generalized framework for models/experiments comparison: An application to n-heptane combustion kinetic mechanisms (2016), Combustion and Flame, 168, pp. 186-203, DOI: 10.1016/j.combustflame.2016.03.019

Stagni, A., Frassoldati, A., Cuoci, A., Faravelli, T., & Ranzi, E., Skeletal mechanism reduction through species-targeted sensitivity analysis. Combustion and Flame (2016), 163, 382-393. DOI:10.1016/j.combustflame.2015.10.013

Stagni A., Cuoci A., Frassoldati A., Faravelli T., Ranzi E., Lumping and Reduction of Detailed Kinetic Schemes: an effective coupling. Industrial & Engineering Chemistry Research (2014) 53 (22), 9004-9016. DOI:10.1021/ie403272f

Stagni A., Cuoci A., Frassoldati A., Faravelli T., Ranzi E., A fully coupled, parallel approach for the post processing of CFD data through reactor network analysis, (2014) Computers & Chemical Engineering, 60, pp 197-212, DOI:10.1016/j.compchemeng.2013.09.002 

Cuoci A., Frassoldati A., Stagni A., Faravelli T., Ranzi E., Buzzi-Ferraris G., Numerical modeling of NOx formation in turbulent flames using a kinetic post-processing technique, Energy & Fuels (2013), DOI:10.1021/ef3016987

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