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A Model of the energy evolution in thermobaric explosions is presented. It is based on the two-phase formulation: conservation laws for the gas and particle phases along with inter-phase interaction terms. It inc01porates a Combustion Model based on the mass conservation laws for fuel, air and products; source/sink terms are treated in the fast­chemistry limit appropriate for such gasdynamic fields. The Model takes into account both the afterbuming of the detonation products of the booster with air, and the combustion of the fuel (Al or TNT detonation products) with air.Read less