Browsing Chemical Engineering by UP Author "Montgomery, Yolandi C."

Browsing Chemical Engineering by UP Author "Montgomery, Yolandi C."

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  • Measurement and modelling of pyrotechnic time delay burning rates : application and prediction of a fast burning delay composition 
    Montgomery, Yolandi C.; Focke, Walter Wilhelm; Kelly, Cheryl (Wiley, 2017-11)
    A predictive numerical model was implemented for a time delay based on the Si+Pb3O4 system. The reaction kinetic parameters were estimated by comparing predicted surface temperature profiles with experimental data acquired ...
  • Measurement and modelling of pyrotechnic time delay burning rates : method and model development 
    Montgomery, Yolandi C.; Focke, Walter Wilhelm; Kelly, Cheryl (Wiley, 2017-10)
    The burning rates of a slow reacting Mn+Sb2O3 and a fast reacting Si+Pb3O4 time delay composition, filled into lead tubes, were measured with an infrared camera, with two thermocouples and in the form of a fully assembled ...
  • Mn+Sb2O3 thermite/intermetallic delay compositions 
    Montgomery, Yolandi C.; Focke, Walter Wilhelm; Atanasova, Maria T.; Del Fabbro, Olinto; Kelly, Cheryl (Wiley, 2016-10)
    The binary Mn + Sb2O3 pyrotechnic composition was investigated for mining detonator time delay applications. EKVI thermodynamic modelling predicted two maxima in the adiabatic reaction temperature. The local maximum, at ...
  • Review of gasless pyrotechnic time delays 
    Focke, Walter Wilhelm; Tichapondwa, Shepherd Masimba; Montgomery, Yolandi C.; Grobler, Johannes Marthinus; Kalombo, Michel L. (Wiley, 2019-01)
    Gasless pyrotechnic delay compositions for time‐sequencing energetic events are reviewed. They are mixtures of powdered fuels and oxidants capable of a highly exothermic oxidation‐reduction reaction. Trends favor ‘green’ ...