A unified analysis of ramjet operation in an integrated rocket ramjet engine Part II combustion dynamics of ramjet engine

The numerical analysis, including chemical reaction of an entire ramjet engine is studied to understand the combustion dynamic characteristics of the Integrated Rocket Ramjet System comprehensively. The results of the previous paper¹ are used as the initial conditions for the current calculations so that the ignition transient can be computed with continuity. Various physical processes are investigated systemically, including the flame propagation, flame dynamics, turbulence flame evolution and terminal shock train, modal analysis of the system, and interaction mechanism between the oscillating shock wave in the diffuser and pressure wave resulting from combustion energy using spectral analysis.