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首页> 美国政府科技报告 >Computational Modeling Approaches for Studying Transverse Combustion Instability in a Multi-Element Injector (Briefing Charts).
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Computational Modeling Approaches for Studying Transverse Combustion Instability in a Multi-Element Injector (Briefing Charts).

机译：用于研究多元件喷射器中横向燃烧不稳定性的计算建模方法（简报图）。

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The current study describes two modeling approaches to model an unstable seven element linear array of shear coaxial injectors. The first approach is a reduced model where the driving injectors are replaced with an artificial forcing term. The forcing amplitude can be adjusted so that the effect of the transverse instability on the center study element can be examined parametrically. The second approach models the entire domain, and can capture additional details such as the inter-element interactions and the self-excited nature of the instability. Both sets of results are compared with experimental measurements and used to provide physical insights into the underlying instability mechanisms.

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