Oxide particle size distribution function in combustion of aluminum: Quasi-steady approximation

The size distribution function for oxide particles formed in combustion of aluminum is calculated in a quasi-steady approximation. It is demonstrated that the quasi-steady approximation may be employed for aluminum particles sized $15$ to $300$ $\mu$m. It is observed that the conditions of combustion (temperature, pressure, oxidizer content, and size of aluminum powder particles) have a weak effect on the parameters of distribution function. The results of calculations of the parameters of oxide particles formed as a result of combustion of aluminum powder are compared with the parameters of particles formed after explosion of an explosive containing aluminum powder.