为在超音速燃烧室中高效混合燃料的矩形非对齐多注射器进行计算建模
Pan Zhang1, Zhen Li2, Seyyed Amirreza Abdollahi3
1School of Mechanical Engineering, Sichuan University Jinjiang College, Pengshan, 620860, Sichuan, China. awilly@163.com.
Scientific reports
|July 10, 2024
概括
这项研究研究了用于超音速燃烧的矩形多注入器. 减少注射器间距和内部注入空气显著提高了燃料混合通过强的和改进的喷气相互作用的创建.
科学领域:
- 航空航天工程 航空航天工程
- 燃烧科学 燃烧科学
- 计算流体动力学的流体动力学.
背景情况:
- 超音速燃烧需要高效的燃料空气混合,以获得最佳性能.
- 矩形多注入器在超音速流量中提供了增强混合的潜力.
- 了解喷气相互作用对于设计有效的燃料注射系统至关重要.
研究的目的:
- 在超音速燃烧室中评估矩形多注射器的性能.
- 为了分析燃料喷气的透和分布在各种注射器配置下.
- 为了确定最佳的注射器安排,以改善燃料混合.
主要方法:
- 超音速可压缩流的计算流体动力学 (CFD) 建模.
- 从圆形矩形喷嘴模拟交叉燃料喷气.
- 分析了三种不同的注入器安排,以评估喷气相互作用.
主要成果:
- 减少注射器间距通过产生强烈的流来增强燃料混合.
- 来自喷嘴的内部空气注入增加了燃料相互作用和混合效率.
- 特定的注射器配置显示出优越的燃料分配和透.
结论:
- 优化注入器间距和内部空气注入是改善超音速燃烧器燃料混合的关键.
- 矩形多注入器在超音速应用中显示出对高效的燃料输送有希望.
- 计算建模为燃烧设计提供了对复杂喷气相互作用的宝贵见解.
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