Abstract

This report describes experimental techniques developed at the Applied Physics Laboratory, The Johns Hopkins University, for investigating the mechanism of flame stabilization in the wakes of bluff bodies. The powder techniques previously used by other investigators for visualization of flow in Bunsen burners have been extended to much higher velocities by the use of new illumination sources. Flow patterns at high velocities about baffles in ducts with and without combustion have been recorded using this technique. High speed motion pictures by schlieren and shadow

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