Scale Model Store Release from a Rectangular Cavity into Mach 1.5 Flow

Details Scale Model Store Release from a Rectangular Cavity into Mach 1.5 Flow Scale Model Store Release from a Rectangular Cavity into Mach 1.5 Flow

2009-10-07

arxiv.org/abs/0910.1292v1

Physics

Fluid Dynamics

Scientific paper

This fluid dynamics video shows the release of a 1/15th scale model store into a Mach 1.5 free-stream flow from a rectangular cavity. The images were acquired with a high-speed schlieren photography system using a Photron Ultima APX camera. Acoustic measurements showed that the unsteady shear layer over the cavity had a prominent oscillation at approximately 810 Hz which corresponds to fluctuations seen in the cavity's leading edge shock structure in the video. The video demonstrates the similarity in the time scales of the flow field dynamics and the residence time of the store in the shear layer.

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