Effects of injection angle and injector mode variation on the fluidization performance of a powder-fueled ramjet

Dequan Xu; Shibin Luo; Jiawen SongYanbin FengLei Wang

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Effects of injection angle and injector mode variation on the fluidization performance of a powder-fueled ramjet

机译：Effects of injection angle and injector mode variation on the fluidization performance of a powder-fueled ramjet

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摘要

Fluidization is a major problem in the supply system of a powder-fueled ramjet. The performance of fluidization mainly depends on the injection way of fluidizing gas. This paper has investigated the effects of variation of the injection angles and injector modes on the performance of fluidization, using the Euler-Lagrange approach for gas-particle flow. The injection angle varies among 30°, 45°, 60° and 90°, the injector mode includes single injector and dual injectors. We conclude that due to higher mixing quality and particle mass flow rate, the system performs better for both single-injector and dual-injector modes at an angle of 45°. Based on the analysis in the fluidization domain and external flow field, we observe that the dual-injector mode performs significantly better than the single-injector mode.

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来源
《Aerospace science and technology》 |2022年第10期|107827.1-107827.14|共14页
作者
Dequan Xu; Shibin Luo; Jiawen SongYanbin FengLei Wang;
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作者单位

School of Automation, Central South University, Changsha 410083, China;

Department of Energy Sciences, Faculty of Engineering, Lund University, Lund 22 100, Sweden;

School of Aeronautics and Astronautics, Central South University, Changsha 410083, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Fluidization; Mixing; Injector mode; Injection angle; Powder-fueled ramjet;

Effects of injection angle and injector mode variation on the fluidization performance of a powder-fueled ramjet

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