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Two-phase unsteady flow in solid rocket motors

机译:固体火箭发动机中的两相非定常流动

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摘要

Aluminized propellants are frequently used in solid rocket motors to increase specific impulse. Unlike the other ingredients, aluminum particles can burn in a significant portion of the chamber and produce a condensed phase that is carried out into the flowfield. Thereby, aluminum particles can affect appreciably combustion instabilities by acting as driving or, on the contrary, as damping mechanisms. Therefore, a reliable stability prediction must include the description of the reactive two-phase flow in the motor. Studies realized on this subject in the ASSM program are reviewed.
机译:铝质推进剂通常用于固体火箭发动机中以增加比冲量。与其他成分不同,铝颗粒会在燃烧室的大部分区域燃烧,并产生凝结相,该凝结相会进入流场。从而,铝颗粒通过充当驱动或相反地充当阻尼机构,可以明显地影响燃烧不稳定性。因此,可靠的稳定性预测必须包括对电动机中无功两相流的描述。回顾了ASSM计划中有关该主题的研究。

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