固体燃料火箭
机械
火箭(武器)
涡流
工作(物理)
流量(数学)
航空航天工程
光学(聚焦)
旋涡脱落
计算机科学
物理
控制理论(社会学)
推进剂
湍流
雷诺数
工程类
人工智能
光学
热力学
控制(管理)
作者
Marco Grossi,Daniele Bianchi,Bernardo Favini
出处
期刊:Nucleation and Atmospheric Aerosols
日期:2022-01-01
摘要
In this work pressure oscillations investigation within solid rocket motors are addressed with particular focus on hydrodynamic instabilities. A Q1D model, named AGAR, is applied to simulate the whole firing time of the laboratory scale SRM C1xb, designed to develop vortex-shedding flow instabilities. The comparison between numerical results and experimental data show good agreement in terms of pressure oscillations signature, especially regarding the flute-mode behavior, a typical and important feature of hydrodynamic instabilities. Such result ensures the model capability to cope with this kind of pressure oscillations source, allowing to investigate the phenomenon with a lighter and cost savings methodology than CFD simulations.
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