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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.142 SNIP: 0.16 CiteScore™: 0.29

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.440
pages 407-411

EXPERIMENTAL OBSERVATIONS ON DISRUPTIVE BURNING OF COATED ALUMINUM PARTICLES

Liang Wang
College of Astronautics, Northwestern Polytechnical Univ., 710062, Xi'an, P. R. China
Huaqiang Liu
Northwestern Polytechnical University, Xi'an 710072 P.R.China
Minhua Liu
Northwestern Polytechnical University, Xi'an 710072 P.R.China
Ning Fei Wang
Xi'an Modern Chemistry Research Institute, 710065, Xi'an, P. R. China

ABSTRACT

To accelerate buming, aluminum particle surfaces of a composite propellant are coated with a type of macromolecular surface-active agent, which forms impermeable shells during the combustion process. Aluminum particles are therefore rapidly and completely burnt out by means of disruptive burning. Laser ignition experiments tentatively demonstrate the feasibility of the idea, and the results of T-burner experiment show that the residues on the tube wall of combustion chamber and percentage of large particles decrease significantly when using the coated aluminum particles in the solid propellant.


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