Macrokinetics of Combustion of Monodisperse

摘要

The paper describes a procedure for studying the macrokinetics of combustion of agglomerates in a solid propellant flame using special samples of a model propellant generating monodisperse agglomerates.Empirical dependences of the incompleteness of aluminum conbustion products of a propellant based on ammoninum perchlorate and HMX on time and pressure were established.The mass fraction of oxide accumulated on a burning agglomerate versus the degree of aluminum conversion was determined.For fine agglomerate (310-350 mum),this fraction decreases with increase in the degree of conversion.For large agglomerates (400-540 mum),it increases,nd,hence,the mass of large agglomerates increases as aluminum burns out.Because of accumulation of oxide,the agglomerate size does not change markedly in the examined range of parameters.