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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2018> 27(2): 293-301
Xiaofei Qi, Hongyan Li, Ning Yan, Ying Wang, Xueli Chen. Combustion Properties of Metal Particles as Components of Modified Double-Base Propellants[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2018, 27(2): 293-301. doi: 10.15918/j.jbit1004-0579.201827.0218
Citation: Xiaofei Qi, Hongyan Li, Ning Yan, Ying Wang, Xueli Chen. Combustion Properties of Metal Particles as Components of Modified Double-Base Propellants[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2018, 27(2): 293-301.doi:10.15918/j.jbit1004-0579.201827.0218
shu

Combustion Properties of Metal Particles as Components of Modified Double-Base Propellants

doi:10.15918/j.jbit1004-0579.201827.0218
  • 1.

    Xi'an Modern Chemistry Research Institute, Xi'an 710065, China

  • 2.

    Xi'an Modern Chemistry Research Institute, Xi'an 710065, China;Science and Technology on Combustion and Explosion Laboratory, Xi'an 710065, China

  • Received Date:2017-08-21
    Abstract
  • Metal particles such as aluminum (Al), magnesium (Mg), boron (B) and nickel (Ni), as well as Mg/Al alloy (Mg/Al3/4) are currently the most widely used ingredients in modified double-base propellants. In this contribution, the combustion properties of the metal species are studied by means of the high-speed photography technique and the non-contact wavelet-based measurement of flame temperature distribution. The combustion process of the Al, Mg and Mg/Al samples shows both gas phase reaction and surface oxidation, which yield volatile and nonvolatile products, corresponding to the oxide and suboxide respectively. However, the combustion of B and Ni shows only gas phase reaction, due to their high melting point as well as high enthalpy of vaporization. In addition to the experiments, a hypothetical combustion model has been proposed to clarify the combustion characteristics of metal species in modified double-base propellants.
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