Fluid Ablation Interactions on a Compression Ramp at Mach 8
Sean D. Dungan,
Ata Baskaya,
Stefan Hickel
et al.
Abstract:Direct numerical simulations (DNS) are performed over a 15°compression ramp undergoing ablation at Mach 8 to examine fluid-ablation interactions (FAI) on transitional high-speed boundary layers. The experiments at these conditions with a rigid wall are first numerically replicated for a laminar flow. Heating streaks are introduced by introducing perturbations in the baseflow informed by prior stability calculations. The ramp is then replaced by a low-temperature ablator in our DNS and the interaction of the st… Show more
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