固体燃料超燃冲压发动机研究概况

Overview of Solid Fuel Scramjet Engine Research

对固体燃料超燃冲压发动机的应用背景、潜在优势,以及国内外研究现状和进展做了详细阐述。从固体燃料超燃冲压发动机工作原理、固体燃料类型、数值模拟以及实验研究等方面出发,论述了固体燃料超燃发动机研究的进展和难点,并对固体燃料超燃冲压发动机未来研究趋势进行了展望。研究认为:固体燃料在超声速流动下的热量分布与表面火焰传播等方面还需要深入研究,需建立不同固体燃料的受热行为模型;应用大涡模拟方法分析微尺度下流场结构并耦合固体燃料传热传质过程的可行性需进一步确认;考虑飞行参数,进气道与隔离段性能的发动机整体数值模拟工作需要进一步加强。

The application background,potential advantages,and the research status and new development at home and abroad of solid fuel scramjet engine are elaborated.From the aspects such as the working principle of solid fuel scramjet,solid fuel type,numerical simulation,and experimental research,the research progresses and difficulties in solid fuel super-combustion engine are illustrated,and the future research trend of solid fuel scramjet engine is also prospected.It is suggested in the research that the heat distribution and surface flame propagation of solid fuel under supersonic flow need to be further studied,and the heating behavior models for different solid fuels needs to be established.The feasibility of applying large eddy simulation method to analyze the flow field structure at micro-scale and couple the heat and mass transfer process of solid fuel needs to be further confirmed.Moreover,considering the flight parameters,the overall numerical simulation of the performance of the inlet and isolation sections needs to be further strengthened.