Some phenomenological aspects of heterogeneous combustion of condensed systems

The combustion process of heterogeneous condensed systems (HCS) is a comple x phenomenon characterized by some peculiarities: Phase transitions in the combustion wave, time and space inhomogeneity of the temperature and burnin g rate, agglomeration and dispersion of the condensed phase, concentration limits, etc. The order and completeness of chemical reactions in a HCS comb ustion wave depend not only on the energetic parameters but on the composit e structure as well (porosity, component particle size and shape, etc.). So me phenomenological aspects of the HCS combustion process are analyzed. Pec uliarities of metal particle agglomeration and its influence on the metal o xide size are discussed. The high-temperature kinetics of Al + Al2O3 intera ction are shown. The complexity of the analyzed phenomenon calls for a non- traditional approach and technique.