Frolov S. M.


D.Sc. Sergey Frolov is the Head of Combustion and Explosion Department and the Head of Detonation Laboratory at N. N. Semenov Federal Research Center for Chemical Physics (ICP) of the Russian Academy of Sciences (RAS); Professor at the National Research Nuclear University “Moscow Engineering Physics Institute,” the Winner of the YCL Prize and the Winner of the Prize of the European Academy in science and technology, Honored Science Worker of the Russian Federation, Honorary Mentor.

He is the known scientist in physics of combustion and explosion, the author of over 800 scientific publications and 40 patents, the editor of over 60 books on various issues of combustion and explosion. His major scientific achievements are listed below:

He put forward and confirmed theoretically and experimentally a new concept of the origin and development of exothermic chemical reaction waves, including detonations, at reactive mixture self-ignition in the presence of various disturbances. He solved important problems on multistage oxidation of hydrocarbons in localized exothermic centers and on explosion development in spatial nonuniformities of reactants temperature and concentration.
He developed new methods in the theory of turbulent combustion and deflagration-to-detonation transition and put forward the theory of blast wave suppression by protective shields. He contributed to the study of the fundamental mechanisms of flame holding and blow off on the bluff bodies.

He suggested novel physical and chemical approaches to control hydrocarbon preignition processes, combustion, and detonation, as well as the emission of harmful substances when burning gas and liquid fuels in flow conditions.

He put forward, theorized and experimentally implemented the new methods of detonation initiation in gases, liquid drop suspensions, and hybrid multiphase mixtures. He conducted, for the first time, a unique experiment to initiate the detonation by a traveling ignition source using distributed electrical discharges. He proved that the detonation wave could be initiated by coherent external stimulation of chemical activity in an initially weak propagating shock wave.

He proposed the concept of "fast deflagration-to-detonation transition," which was implemented in multiple prototypes of innovative practical devices (detonation-assisted liquid-fuel injectors, snow grinding and melting machines, multimode stamping rigs, powerful water heaters, etc.) and prototypes of advanced detonation jet engines for space and atmospheric flying vehicles and detonation hydrojet engines for high-speed water transportation. His natural-gas pulse-detonation burner was exhibited at several industrial exhibitions and is partly on the commercialization level.

He proved experimentally the energy efficiency of the thermodynamic cycle with detonative combustion thus substantiating the theoretical prediction made by Ya. Zel’dovich in 1940. He theoretically substantiated and experimentally realized continuous-detonation combustion of hydrogen in a detonation ramjet engine at airflow Mach numbers from 4 to 8.

He proposed a new principle of direct conversion of the chemical energy of fuel into the kinetic energy of the directed movement of water, based on the expulsion of a compressible bubbly liquid from a water guide by periodically generated traveling shock waves. He implemented this principle in a novel type of water propulsion - a pulse-detonation hydroramjet.

Не proposed, theoretically substantiated and experimentally confirmed a new principle of maintaining the movement of sea vehicles by burning fuel above the free water surface in a shaped bottom cavity – active gas cavity.

He developed a pulse-detonation steam superheater ("Frolov's gun"), which makes it possible to obtain a flow of highly superheated steam with a temperature exceeding 2000 ºС at normal pressure. Based on such a steam superheater, he developed and tested a unique laboratory and mobile pilot plant for environmentally friendly oxygen-free gasification of organic nontoxic and toxic wastes to obtain power/synthesis gas and useful products without emissions into the atmosphere and water bodies.

Нe experimentally demonstrated the possibility of shock wave amplification and shock-to- detonation transition in a two-phase mixture of superheated steam and liquid triethylaluminum (TEA, Al(C2H5)3).

In addition to research and teaching he is the Editor-in-Chief of the interdisciplinary Journal “Gorenie I Vzryv” (Combustion and Explosion), the member of the Scientific Council of ICP RAS, the member of several Specialized Dissertation Councils, the Deputy Chief of the Scientific Council on Combustion and Explosion of the RAS, the member of editorial boards of several international journals (Rus. J. Chemical Physics B; Combustion, Explosion, Shock Waves; J. Engineering Physics & Thermodinamics; Combustion and Plasmochemistry; Journal of Combustion; Energies; Waste), the organizer of over 50 domestic and international conferences, a member of the Technical Committee for Engines and Powertrains of the IFToMM (International Federation for the Promotion of Mechanism and Machine Science), a member of the Technical Committee for Propulsion Physics of EUCASS (European Conference for Aerospace Sciences).





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