Abstract
The model of the boron particles agglomeration in combustion of boron-containing solid propellants is suggested. The process of the boron particles agglomeration is considered as a result of competition between two main processes: the formation of adhesive bonds between contacting boron particles and rupture of these bonds under the action of gaseous combustion products. The criterion of solid residues formation and dependence of their relative mass on pressure are obtained. It is shown that depending on the propellant burning rate law, two different types of propellants with different behavior of the agglomeration process at pressure change can exist.
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