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Content archived on 2022-12-23

State-to-state vibrational and chemical kinetics in high-temperatures gases and plasma

Objective

The objectives of project are the transition from traditional chemical kinetics to the state-to-state approach in modelling of physical and chemical processes in thermal non-equilibrium high-temperature gases and plasmas. For this goal scientific approach will be realized in three possibilities:
experimental investigation using spectroscopic and laser diagnostics methods;
elaboration of numerical and analytic models of investigated processes using quasi-classical methods of collision dynamics with computer experiment, and fundamental kinetic theory methods;
creation of base of models on state-to-state rate coefficients and kinetic characteristics of medium in thermal non-equilibrium for their application to description of reacting flows.

The investigated processes are vibrational energy exchange between molecules, dissociation of molecules, chemical exchange reactions, ionisation, and excitation of electron states of atoms and molecules, molecular transfer in chemical and thermal non-equilibrium gas and plasma.
The project combines the efforts of four NIS-teams: in Heat and Mass-Transfer Institute (Minsk, Byelorussia), in St.-Petersburg and Moscow State Universities and in High Energy Density Research Centre (Russia), with three INTAS teams: in Bari University and University of Perugia (Italy), and H.C. Orsted Institute (Denmark).

The expected results are:
the set of direct experimental data on level rate coefficients of energy-exchange and chemical reactions, distribution function of poliatomic molecules in vibrationally nonequilibrium conditions;
the mathematical models of investigated processes, in particular in form of level and many temperature coefficients in corresponding equations for chemical kinetics simulation at state-to-state and step-ladder approximations;
estimation of molecular transport properties in shock heated gases;
testing of the influence of state-to-state kinetics on heat transfer and diffusion in nozzle expansion and boundary layers near surfaces;
The project results will produce the provision of processes simulation and design of set-ups, apparatus, and other contributions in which gas or plasma are used as working substances in the fields of plasma technology, combustion, power devices, chemical and laser technology, aircraft and hypersonic re-entry, aeronomy and ecological problems.

Call for proposal

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Funding Scheme

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Coordinator

University of Bari
EU contribution
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Address
4, via Orabona
70126 Bari
Italy

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Total cost
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Participants (6)