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Ballistic testing and thermal behavior of cast double-base propellant containing BuNENA
Authors: Maraden Ahmed Mohamed Ali | Stojan Petr | Matyáš Robert | Zigmund Jan
Year: 2017
Type of publication: článek v odborném periodiku
Name of source: Huozhayao Xuebao/Chinese Journal of Explosives and Propellants
Page from-to: 23-28
Titles:
Language Name Abstract Keywords
cze Vliv plastifikátoru BuNENA na balistické a termické vlastnosti homogenních TPH Schopnost želatinátorů želatinovat nitrocelulózu je zásadním aspektem výroby homogenních TPH. Tyto želatinátory mají zásadní vliv na technologii výroby i na parametry výsledné TPH. Jako plastifikátor TPH byla zkoumána energetická látka BuNENA. U výsledných TPH s použitím tohoto plastifikátoru byla stanovena závislosti rychlosti hoření na vnějším tlaku pomocí měření v uzavřené bombě SV-2. Bylo nalezeno plato hoření v tlakovém rozmezí 50-70×105 Pa. U výsledných TPH byla rovněž stanovena termická stabilita pomocí metod DTA a TGA. nasakované TPH,;rychlost hoření; termická analýza; plastifikátor BuNENA
eng Ballistic testing and thermal behavior of cast double-base propellant containing BuNENA Preparation of cast double-propellant grains depends on the ability of nitrocellulose powder to swell and coalesce into a coherent mass when treated with a suitable solvent. The cast double-base process has been developed into a highly versatile technique for manufacturing solid rocket charges. Propellants manufactured by this process provide a wide range of energies and burning rates. Successful preparation of cast double-base propellant grains has been performed using compatible casting liquid with the casting powder. BuNENA was used as an energetic plasticizer for manufacturing of casting powder. Burning rate measurements have been performed using closed bomb SV-2 to investigate the burning behavior along a wide range of operating pressure. Plateau burning had been detected in pressure range (50-70)×105 Pa for the composition included BuNENA. DTA and TGA thermal analysis were conducted to evaluate the thermal behavior of the prepared cast double-base propellants. Results from DTA were used to calculate the apparent activation energy. část double- base propellant; burning rate; thermal analysis; BuNENA plasticizer

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