Pre and post-burning analysis of nano-aluminized solid rocket propellants |
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Institution: | 1. Indian Institute of Technology Gandhinagar, Palaj, Gujarat, 382355, India;2. School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0150, USA;3. Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, Pennsylvania, 16802, USA |
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Abstract: | Nano-aluminized propellants are investigated and compared with corresponding micro-aluminized propellants in order to evaluate the actual pros and cons in the use of metal nano-powders for solid rocket applications. A detailed characterization of the original metal powder and condensed combustion products is performed and discussed. Under the explored operating conditions, the results confirm that nano-aluminized propellants show larger steady burning rate, without significant change in pressure sensitivity, and lower aggregation/agglomeration phenomena in combustion products. Combustion efficiency is in turn favored by those factors reducing the importance of aggregation/agglomeration phenomena in the combustion process. |
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