Explosion, shadowgraph

Explosion, shadowgraph

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Caption: Explosion, coloured shadowgraph. Shadowgraphy is a type of flow visualisation, similar to but simpler than schlieren photography. Disturbances in an air flow can be seen by the shadows they cast. Here, a small explosion has been imaged about one millisecond after the explosion began. The explosive charge was one gram of triacetone triperoxide (TATP) in a small cardboard cylinder, suspended on a string. The image was exposed for 1 microsecond, and has captured the supersonic motion of the spherical blast wave and the fragments of the cardboard cylinder.

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Keywords: blast, blast wave, chemical explosive, coloured, detonation, experiment, explode, exploding, explosion, explosive, false-coloured, fragment, fragments, high speed, high-speed photography, imaging technique, optical, optics, orange, physical, physics, reaction, shadowgram, shadowgraph, shadowgraphy, shock wave, sonic, supersonic, tatp, technological, technology, triacetone triperoxide

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