2013
DOI: 10.1016/j.proci.2012.07.024
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Experimental data and model predictions of aluminium agglomeration in ammonium perchlorate-based composite propellants including plateau-burning formulations

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Cited by 54 publications
(21 citation statements)
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“…They showed good agreement with limited experimental data available and directly pertinent to that investigation [14]. Recently, Anand et al [15] reported agglomeration statistics of from a large family of propellants, and comparisons with their corresponding modelling.…”
Section: Introductionsupporting
confidence: 65%
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“…They showed good agreement with limited experimental data available and directly pertinent to that investigation [14]. Recently, Anand et al [15] reported agglomeration statistics of from a large family of propellants, and comparisons with their corresponding modelling.…”
Section: Introductionsupporting
confidence: 65%
“…The present work extends the capability developed in our laboratory [12,13,15] to consideration of nano-sized aluminium particles. This is non-trivial, because the number of nano-aluminium particles for the same mass fraction in the propellant as micro-Al particles is in the region of a few billion, which poses an enormous challenge to the computational resources for casting and burning the propellant of a given sample size.…”
Section: Introductionmentioning
confidence: 77%
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“…Estes aglomerados metálicos no compósito são formados devido a deficiências no processo de mistura (maceração), tais como a falta de passivação do alumínio antes do processo de mistura do compósito e a distribuição modal das partículas de PA com prevalência de grandes diâmetros (200, 400 mícron), o que contribui para o surgimento dos aglomerados devido aos vazios entre as partículas de PA durante o processamento. 24,25 Estes aglomerados permitem o aparecimento da característica capacitiva que o propelente, aditivado com partículas metálicas, apresenta. Estes aglomerados com tamanho suficiente para serem considerados placas condutivas podem, através do contato entre várias aglomerações, criar altas capacitâncias no propelente pelo aumento da capacidade de acúmulo de cargas elétricas, confirmando dados obtidos através da teoria de percolação para propelentes sólidos e de ensaios realizados.…”
Section: Resultsunclassified