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Numerical Study of Intrachamber Processes Dynamics at Nozzleless Solid Propellant Rocket Engine Actuation

机译:无喷嘴固体推进剂火箭发动机启动室内过程动力学的数值研究

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摘要

The results of the comprehensive numerical analysis for dynamics of intrachamber processes that appear at nozzleless solid propellant rocket engine (SPRE) actuation are presented. A complete cycle of rocket engine operation is analyzed. We solve a conjugate problem involving the igniter actuation; heating, ignition and following combustion of a solid propellant charge; a combustion product flow in the combustion chamber; depressurization of the combustion chamber, and the subsequent motion of the rocket engine blank; variation of the combustion surface geometry at the expense of the gradual and nonuniform burnout of solid propellant web.
机译:提出了对无喷嘴固体推进剂火箭发动机(SPRE)驱动时出现的腔内过程动力学进行综合数值分析的结果。分析了火箭发动机操作的完整循环。我们解决了涉及点火器驱动的共轭问题。固体推进剂装料的加热,点火和燃烧;燃烧产物在燃烧室内的流动;燃烧室降压,随后火箭发动机坯料运动;改变燃烧表面的几何形状,以牺牲固体推进剂纤维网的逐渐和不均匀的燃尽为代价。

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