The optimization of non-premixed rotating detonation combustors (RDCs) requires improved
understanding of the coupled effects of reactant stratification, fluid property gradients, and …

Spatio-temporally resolved measurements of temperature using hybrid femtosecond/
picosecond rotational coherent anti-Stokes Raman scattering (fs/ps RCARS) are evaluated …

In the past decade, pressure gain combustion research has promised over 10 percentage-
points of increase in power plant thermal efficiency. Alas, to realize such potential gain, one …

This paper details an energy conversion unit for the combined power extraction and thrust
increase from high subsonic to hypersonic flows. The energy transfer is achieved through a …

Shock waves appear in numerous high-speed propulsion applications, including intakes,
nozzles, and transonic and supersonic turbomachinery. The aerodynamic performance in …

Cycle benefits of rotating detonation engines show up to five percentage points of efficiency
gain for low-pressure ratio engines. An optimal integration between the combustor and the …

Rotating detonation engines (RDEs) utilize single or multiple detonation waves continuously
traveling at velocities ranging from 1 to 3 km/s. These waves induce a strong swirl near the …

A canonical wavy surface exposed to a Mach 2 flow is investigated through high-frequency
Pressure Sensitive Paint, Kulite measurements, and shadowgraph imaging. The wavy …

The harnessing of mechanical power from supersonic flows is constrained by physical
limitations and substantial aerodynamic losses. Bladeless axial turbines are a viable …

Blowdown testing offers a cost-effective experimental tool to replicate the aerothermal
conditions in numerous high speed systems. The wind tunnel must replicate the inlet …