Acoustic Loads on Hypersonic Engines

The associated project aims to understand how acoustic loads are generated in supersonic combustion ramjets (scramjets) to control sonic fatigue in reusable hypersonic vehicles. This knowledge promises to revolutionise flight by making space access more affordable than it is today. In this project, three aspects of flow phenomena commonly encountered in scramjet engines are being studied – shock/turbulence interaction, fuel injection in a cold supersonic cross-stream and shock/boundary layer interaction for both rigid and compliant surfaces. The intended outcomes include a better understanding of the processes above and construction of an experimental database to validate predictive simulation models that will enable the design of flight-weight reusable hypersonic vehicles. Benefits include reduced cost for access to space and the ability to design and develop advanced aerospace technology. This dataset contains (1) raw high-speed video and image files (.mcf) (2) raw pressure transducer data files (.bin from PCB sensors) Complete information on the datasets can be found in the following publications:本关联项目旨在阐明超音速燃烧冲压发动机（supersonic combustion ramjets, scramjets）内声学载荷的产生机理，以实现可重复使用高超音速飞行器的声疲劳控制。 该研究成果有望革新航天出行模式，令太空进入成本较当前大幅降低。本项目将针对超燃冲压发动机中常见的三类流动现象展开研究——激波-湍流相互作用、冷超音速横流中的燃料喷射，以及刚性与柔顺表面下的激波-边界层相互作用。 预期研究成果包括：深化对上述流动过程的认知，以及构建一套实验数据库，用于验证可支撑飞行级可重复使用高超音速飞行器设计的预测仿真模型。项目收益包括降低太空进入成本，以及支撑先进航空航天技术的设计与研发工作。 本数据集包含两类文件：(1) 原始高速视频与图像文件（格式为.mcf）；(2) 原始压力传感器数据文件（来自PCB传感器的.bin格式文件）。数据集的完整信息可参阅以下出版物：