Speaker Shoshin - EnergyDays - 27 October 2016

Information on speakers

dr. Y. (Yuriy) Shoshin

TU/e - Mechanical Engineering - Multiphase & Reactive Flows

Sponge iron powder as a possible fuel of the future

To prevent possible irreversible climate change due to increasing CO2 gas emissions, fossil fuels, which are traditionally used for energetic applications, should be replaced with novel non-polluting renewable energy carriers. Preliminary studies show that one of prime candidate fuel for future “green” energetics is iron. Fine iron powders can be burnt at electrical power plants like it is currently done with coal dust. Moreover, fine iron powder fuel can, in principle, be used for ships or tracks, or locomotives equipped with external combustion engines. Iron is produced in large quantities and is relatively easy to recycle by the reduction of iron oxide back to iron. This is, actually, how all iron is now produced. Technologies used for the iron production, however, may not be directly applied for fine iron oxide powder – the product of iron powder combustion. New type reactors may be needed to directly reduce fine iron oxide powders, avoiding pelletizing, grinding of melting of iron. Comparison of existing iron making technologies suggests that so-called Direct Reduced Iron (DRI) process can be the best start point for future “green” iron fuel recycling at the industrial scale. Possible adaptations of DRI technologies for recycling iron oxide for future energetics application, as well as research efforts required for such adaptations are discussed.

After graduation from Moscow Institute of Physics and Technology, Russia, in 1982, Yuriy Shoshin worked in Odessa State University, Ukraine, performing experimental and theoretical studies of combustion of metal particle suspensions. His research activities were focused on mechanisms of heat transfer and regimes of particles combustion in dust flames.
In 2000-2005, worked in New Jersey Institute of Technology, Newark, NJ, USA, where he studied synthesis and combustion properties of metal-based energetic materials produced by mechanical alloying. Designed a novel aerosol burner with electrodynamic dust dispersion, which was later used for multiple investigations of metal/alloys dust flames. Designed and used in experiments a burner with ultrasonic dispersion system to study combustion of metal/hydrocarbon slurries for jet propulsion applications. Theoretically modeled electrodynamic fluidization of metal powders. Participated in microgravity experiments on metal dust combustion and in studying coating of Al particles with graphene-like layers of carbon atoms. 
In 2005 –2008 worked at Technical University of Lodz, Poland, studying flame stretch effects and mechanisms of extinction of lean limit flames in gas mixtures. Theoretically studied mechanism of flame extinction in rotated vessels.
From August 2008, has been working in Eindhoven University of Technology, Netherlands. Here he continued studying preferential diffusion phenomena in gas premixed flames, relevant to combustion of gas mixtures containing hydrogen. Currently, Yuriy Shoshin studies effects of fuel gas composition on the flame stabilization mechanisms, with the focus on hydrogen addition. He also (co-) advises PhD and MSc student projects on flame balls phenomena, on plasma-assisted combustion, and on experimental and theoretical aspects of metal dust flame propagation. Co-ordinates ESA international Dust Combustion Topical Team grant.

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