Abstract
The dynamics of a reacting perfect fluid immersed in a background host medium is modeled and studied in several particular situations. Reaction events---which involve interaction of fluid particles with themselves and with the background---are described by a density dependent source term in the mass continuity equation. Mechanical interaction with the background introduces additional terms in the continuity equations for momentum and energy. We analyze the effect of reaction events in sound propagation and study the appearance of nonequilibrium structures, such as wave fronts, paying particular attention to the consequences of the combined action of transport and reaction processes. We also develop a numerical discrete velocity model for the simulation of the reacting fluid, which can be used for comparison with the analytical results.
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