S1904-2-4 超音速流中のスパイクまわりの非定常流れの可視化実験(大気突入・減速技術(2))

概要

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The time-resolved flow visualization using the ultrahigh-speed video camera was applied to the unsteady flowfield around spiked bodies in supersonic flow. The camera could record high-vision images up to 1 000 000 fps with full-frame resolution. The schlieren images recorded by the camera revealed in great detail that the high-pressure waves traveled upstream inside the boundary layer along the protruding spike and induced a large-scale instability of the flow.
2009-09-12