Politecnico di Milano (POLIMI) was founded in 1863, and is the largest Engineering School in Italy with more than 40000 students. Politecnico is one of the most relevant technical universities in Europe, it ranked 1st in Italy, 8th in Europe and 31st in the world, according to the QS World University Ranking (Engineering &Technology 2014). The Polimi Unit (http://creckmodeling.chem.polimi.it/), as a part of the “Chemical Reaction Engineering and Chemical Kinetics” group of the Chemical Engineering Department, is characterized by a strong internationalization, as evidenced by the large number of collaborations with foreign research groups. The Polimi Unit is recognized as a worldwide reference in the field of pyrolysis and combustion of fossil and alternative fuels, and has a consolidated experience in the field of the modeling chemical reactors and industrial processes

Role in the project

In JETSCREEN in order to reduce the physical and chemical complexity of the real fuels mixtures, POLIMI will first define proper surrogate mixtures able to mimic the behavior of the traditional and alternative jet fuels in respect of the particular investigation targets. The surrogate composition should match with reasonable fidelity the most relevant physical and chemical properties of the real fuel, in particular combustion-related characteristics such as volatility and ignition, flame propagation, and pollutant formation. Particular emphasis will be given to the sooting tendency and the formation of pollutant species. The kinetic mechanism will be validated and refined with comparison to experimental data, both from literature (ignition delay times, speciation etc.) and from DLR flow reactor and flame speed experiments. An automatic reduction tool (DoctorSMOKE++) will be adopted to generate a skeletal kinetic mechanism suitable for multi-dimensional CFD simulations. Polimi will actively cooperate with DLR and IFPEN for coupling the combustion kinetic mechanism with the NOx/Soot models and This mechanism will be shared with project partners and developed in close cooperation with partners involved in the CFD modeling activities

Personnel involved

Alessio Frassoldati (M) PhD in Chemical Engineering (2004) Associate Professor since 2015 (Assistant Professor 2007/2015). He teaches combustion, unit operations, probability and stochastic processes, and conducts research in the areas: detailed kinetics of combustion and formation of pollutants (NOx, PAH, soot); combustion of real fuels surrogates; combustion in internal combustion engines; numerical modeling of solid fuels pyrolysis and gasification; CFD modeling of turbulent combustion; tunnel fire safety. Co-author of the patent: Flameless boiler for producing hot water (EP2592362A1). Author of about 80 papers on international scientific journals and more than 100 publications in conference proceedings.

Matteo Pelucchi (M) PhD in Chemical Engineering (2017), Assistant Professor since 2017. 5 years experience in kinetic modelling of combustion processes for hydrocarbon and alternative fuels, theoretical calculation of rate constants and experimental measurements in shock tubes and rapid compression machines.