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Kinetics of Combustion Assisted by Electronically Excited Oxygen

Ziel

The aim of the project is to study of a novel approach proposed in the field of modern combustion chemistry and to investigate theoretically and experimentally peculiarities and advantages of non-conventional combustion technique with the use of electronically excited oxygen that can open new and potentially important possibilities in various technological applications since it will provide fuel economy and low pollutant emission.

The specific objectives (target tasks) and expected achievements (output results) are:
1) elaboration of a detailed kinetic model for the comprehensive description of the process of combustion in the presence of electronically excited oxygen that from the environmental viewpoint is an improvement to conventional combustion;
2) analysis of kinetics and mechanism of nonequilibrium combustion under conditions of oxygen excitation, understanding of the process of formation of the function of distribution of the electronic and vibrational energy in the mulitemperature and multicomponent reactive system with the excited oxygen additives;
3) investigation of a role of the exited oxygen particles in the elementary reactions and relaxation of different degrees of freedom of molecules and radicals and its influence on the initiation and development of the chain mechanism of combustion;
4) determination of effects of the oxygen excitation on basic characteristics of catalytic combustion (limits of ignition, times of induction, rates of burning, temperature and pressure regimes) for the extra-rich and extra-lean H2-O2 mixtures;
5) evaluation of potential possibilities of real fuel combustion (hydrogen, methane) utilising different methods of production of electronically excited oxygen (electric discharge, chemical and laser-induced);
6) optimisation of regimes and parameters (initial temperatures, pressures, mixture composition, degree of oxygen excitation) of the H2-O2 and CH4-O2/air combustion assisted by electronically excited oxygen, providing maximum efficiency in terms of ignition time, acceleration of combustion, fuel economy and reduction of pollution;
7) selection of conceptual approaches for possible technological applications with this type of combustion.

Research includes:
a) theoretical analysis, based on state-to-state, level-to-level and relaxation kinetics;
b) experimental studies, using available gas-discharge and shock tube techniques with optical and laser-based diagnostics;
c) numerical simulations, utilising developed mathematical models and computer codes.

Use of the well-founded original ideas, validated scientific solutions and basic regularities resulting from the project will effect in
(i) achieving highest combustion efficiency;
(ii) understanding how to improve existing combustion technologies in order to achieve better characteristics, and;
(iii) spreading-up an introduction of the improvements in practical applications. Achievements expected will be disseminated and utilised by all partners.

Aufforderung zur Vorschlagseinreichung

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Finanzierungsplan

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Koordinator

Centre National de la Recherche Scientifique
EU-Beitrag
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Adresse
Grande Voie des Vignes
92295 Chatenay-Malabry
Frankreich

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Beteiligte (5)